GIGABYTE G1.Sniper Z97

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GIGABYTE G1.Sniper Z97 OC-Guide

This guide is an example how to overclock your CPU using an GIGABYTE G1.Sniper Z97 motherboard. This guide is following the instructions given in the general Intel Haswell OC-Guide.

This example was done using a i7-4690K CPU. You can apply the same settings if you use any other K-Suffix CPU such as 4670K, 4770K or 4790K.

Setup:

  • ASUS Z97-Pro Gamer
  • Intel Core i7-4690K
  • 2 x 4 GB DDR3 2400 C10
  • Noctua NH-U12S CPU cooler
  • Sea Sonic Platinum Series 1200 W

Software:

  • Windows 7 x64 Service Pack 1
  • CPU-Z
  • Core Temp
  • Prime95

You can download the required software here:

CPU-Z 1.71 Setup EN
1.50 MB | 2593 downloads
CoreTemp 1.0 RC6
717.26 KB | 11927 downloads
Prime 95 v28.5 64-Bit
15.39 MB | 36737 downloads
Prime 95 v28.5 32-Bit
4.13 MB | 1447 downloads

 

Basic video OC-Guide for overclocking to 4.3 GHz:

 

Please keep in mind that the voltages for your CPU might differ from this example. If your CPU core is not stable at these settings and you don’t exceed 90 °C core temperature, try to raise the CPU core voltage.

 

Important BIOS Settings explained:

Processor Base Clock (Gear Ratio)

The Gear Ratio (or BCLK Strap) is an additional multiplier to increase the base clock. Stock is x1 but if you e.g. selext x1.25, the BCLK will have an eventual value of 125 MHz.

CPU PLL Selection

LC PLL works best for low/stock clock BCLK of 100 MHz. LC PLL is and inductor capacitor based oscillator for low noise but only for a low range. If you overclock the BCLK, change to SB PLL or simply leave on auto.

Filter PLL Level

This is only needed for very high BCLK of over ~167 MHz. Just leave this setting on auto.

Host/PCIe Clock Frequency

The Base CLocK of your system. This frequency is tied to the PCIe clock and the DMI bus. High frequencies can cause your system to be unstable. Use the BCLK/CPU Strap for high BCLKs. Raising the BCLK will also raise the CPU core, ring and RAM frequency.

CPU Clock Ratio

This setting will change the CPU multiplier of your system. If you run a BCLK of 100 MHz and select 37 here, your CPU will run at 3700 MHz core frequency.

Uncore Frequency

This will set the CPU cache/ring ratio. If you run a BCLK of 100 MHz and select 35 here, your CPU cache/ring will run at 3500 MHz.

 

System Memory Multiplier

The DRAM Frequency is the result of the BCLK and an the System Memory Multiplier. E.g. 100 MHz BCLK and 18.66 multi will result in 1866 MHz RAM frequency. Higher than 2933 MHz usually doesn’t work. If you want to achieve higher memory frequencies, you have to use a different BCLK strap.

 

CPU Vcore

This is the core voltage of your CPU. Increase this voltage if you want to achieve higher core clocks. Usually more than 1,35 Volt is not recommended for daily use.

CPU Ring Voltage

This is the cache/ring voltage of your CPU. Increase this voltage if you want to achieve higher core clocks. Usually more than 1,15 Volt is not recommended for daily use.

CPU Graphics Voltage

The GPU Graphics Voltage is tied to the internal graphics processor (HD 4600 for 4770K). Only change this if you use the internal graphics processor and if you want to overclock it.

CPU System Agent Voltage

This voltage is important to run high memory clocks. Stock is 0.85 Volt and usually you don’t need more than 1.00 Volt for 24/7 systems.

CPU Digital I/O Voltage

This voltage also helps for memory overclocking. Stock voltage is about 1.0 Volt. More than 1.15 Volt is not recommended for daily use.

CPU Analog I/O Voltage

This voltage also helps for memory overclocking. Stock voltage is about 1.0 Volt. More than 1.15 Volt is not recommended for daily use.

 

CPU VRIN External Override 

CPU Input Voltage during the power on self test (POST).

 

DRAM Voltage

The DRAM Voltage is the Voltage of your memory. Check the memory modules for the specified voltage. Most are between 1.35 and 1.5 Volt. The official limit according to Intel is 1.5 Volt, however 1.65 Volt modules are no problem at all according to my testing.

PCH Core Voltage

This is the chipset voltage and doesn’t have to be changed since it doesn’t help in any way.

 

VTTDDR Voltage

This voltage always has to be 50% of the DRAM voltage. So if you use 1.5 DRAM Voltage, this one has to be at 0.75 Volt. Simply leave VTTDDR Voltage on auto because all boards apply the correct value automatically.

 

 

CPU EIST Function

Intel SpeedStep (EIST) will downclock your CPU in idle to save energy. I recommend to disable this feature because you only save about 2-5 W, but it can cause your system to be unstable when overclocking.

Intel (R) Turbo Boost Technology

Disable on GIGABYTE Motherboards to enable a permanent, maximum clock.

CPU C-States

The C-States are another energy saving option which I recommend to disable for maximum overclocking.

62 comments

  • Agip

    Greeting

    Im wonder how exactly to Disable the “Spread Spectrum” for Gigabyte Z97 board
    I can only give option AUTO & 0.1%, 0.2% etc and further but no word Disable

    Tia

  • Joseph

    I have the g1 gaming sniper z97 board, and an i5-4690k.

    I did everything suggested in the video, and i ended up with a 1.310 voltage because my NH-D15 can keep it cool, and a core base clock thingy of 4.5

    My question is, if i run Prime on small fft i cusp at 90c on only one of the core. When i run 1344 just for stress testing, i’m no where near 90C. Which temperature should i go by? because i wouldn’t mind going higher than 4.5, and can i still turn turbo boost back on?

  • can i OC my i7 4790 ( 3,6Ghz / 4,0Ghz ) on Gigabyte Z97 G1 Sniper MTB ?

  • My Hardware are :

    Computer Type ACPI x64-based PC
    Operating System Microsoft Windows 10 Enterprise
    OS Service Pack –
    Internet ExplorerEdge
    DirectX DirectX 12.0
    Computer Name THINKSTATION (ThinkStation)
    User Name Lenovo Think Station S20
    Logon Domain THINKSTATION
    Date / Time 2017-12-22 / 10:14

    Motherboard
    CPU Type QuadCore Intel Core i7-4790, 4000 MHz (40 x 100)
    Motherboard Name Gigabyte G1.Sniper Z97 (2 PCI, 3 PCI-E x1, 2 PCI-E x16, 4 DDR3 DIMM, Audio, Video, Gigabit LAN)
    Motherboard Chipset Intel Wildcat Point Z97, Intel Haswell
    System Memory 15797 MB (DDR3-1333 DDR3 SDRAM)
    DIMM1: Kingston 9905403-199.A00LF 4 GB DDR3-1333 DDR3 SDRAM (9-9-9-24 @ 666 MHz) (8-8-8-22 @ 609 MHz) (7-7-7-20 @ 533 MHz) (6-6-6-17 @ 457 MHz)
    DIMM2: Kingston HyperX KHX1600C9D3/4GX 4 GB DDR3-1333 DDR3 SDRAM (9-9-9-24 @ 666 MHz) (8-8-8-22 @ 609 MHz) (7-7-7-20 @ 533 MHz) (6-6-6-17 @ 457 MHz)
    DIMM3: Kingston 9905403-199.A00LF 4 GB DDR3-1333 DDR3 SDRAM (9-9-9-24 @ 666 MHz) (8-8-8-22 @ 609 MHz) (7-7-7-20 @ 533 MHz) (6-6-6-17 @ 457 MHz)
    DIMM4: Kingston HyperX KHX1600C9D3/4GX 4 GB DDR3-1333 DDR3 SDRAM (9-9-9-24 @ 666 MHz) (8-8-8-22 @ 609 MHz) (7-7-7-20 @ 533 MHz) (6-6-6-17 @ 457 MHz)
    BIOS Type AMI (09/19/2015)

    Display
    Video Adapter Intel(R) HD Graphics 4600 (1 GB)
    Video Adapter Intel(R) HD Graphics 4600 (1 GB)
    Video Adapter Intel(R) HD Graphics 4600 (1 GB)
    Video Adapter NVIDIA GeForce GTX 970 (4 GB)
    Video Adapter NVIDIA GeForce GTX 970 (4 GB)
    Video Adapter NVIDIA GeForce GTX 970 (4 GB)
    Video Adapter NVIDIA GeForce GTX 970 (4 GB)
    3D Accelerator Intel HD Graphics 4600
    3D Accelerator nVIDIA GeForce GTX 970
    Monitor Panasonic TV LED (1920 x 1080p) hdmi

    Multimedia
    Audio Adapter Creative Sound Blaster Recon 3D CA0132 @ Intel Wildcat Point PCH – High Definition Audio Controller
    Audio Adapter Intel Lynx Point HDMI @ Intel Haswell – Mini HD Audio Controller
    Audio Adapter nVIDIA HDMI/DP @ nVIDIA GM204 – High Definition Audio Controller

    Storage
    IDE Controller Standard SATA AHCI Controller
    Storage Controller Microsoft Storage Spaces Controller
    Storage Controller USB Attached SCSI (UAS) Mass Storage Device
    Disk Drive ST2000DM001-1CH164 (2 MB, 7200 RPM, SATA-III)
    Disk Drive ST31000524AS (1 MB, 7200 RPM, SATA-III)
    Disk Drive WD 10EZRX External USB Device (931 GB, USB)
    Disk Drive Hitachi HDS721010CLA332 (1 MB, 7200 RPM, SATA-II)
    Disk Drive Hitachi HUA721010KLA330 (1 MB, 7200 RPM, SATA-II)
    Disk Drive Seagate ST1000LM024 (HN-M101MBB/EX2) (1 MB 5400 RPM, SATA-III) (931 GB)
    Disk Drive Samsung SSD 850 EVO 250GB (250 GB, SATA-III)
    Optical Drive DTSoftBusCd00
    Optical Drive HL-DT-ST BD-RE BH10LS30 (10x/2x/10x BD-RE) LG BD-RW (SATA-III)
    SMART Hard Disks Status OK

    Partitions
    C: (NTFS) 232.4 GB (70.0 GB free)
    D: (NTFS) 931.5 GB (134.3 GB free)
    E: (NTFS) 621.0 GB (44.9 GB free)
    F: (NTFS) 621.0 GB (29.9 GB free)
    G: (NTFS) 931.5 GB (38.6 GB free)
    H: (NTFS) 621.0 GB (24.1 GB free)
    I: (NTFS) 931.5 GB (19.5 GB free)
    R: (NTFS) 931.5 GB (12.7 GB free)
    S: (NTFS) 931.5 GB (17.3 GB free)
    Total Size 6753.0 GB (391.3 GB free)

    Input
    Keyboard HID Keyboard Device
    Keyboard HID Keyboard Device
    Keyboard HID Keyboard Device
    Keyboard Standard PS/2 Keyboard
    Mouse HID-compliant mouse
    Mouse HID-compliant mouse
    Mouse HID-compliant mouse

    Network
    Primary IP Address 192.168.1.102
    Primary MAC Address D4-6E-0E-14-D2-C1
    Network Adapter Anchorfree HSS VPN Adapter
    Network Adapter Killer E2200 Gigabit Ethernet Controller
    Network Adapter Microsoft Wi-Fi Direct Virtual Adapter
    Network Adapter TP-LINK Wireless USB Adapter (192.168.1.102)

    Peripherals
    Printer Fax
    Printer Microsoft Print to PDF
    Printer Microsoft XPS Document Writer
    USB2 Controller Intel Wildcat Point PCH – USB 2.0 EHCI Host Controller 1
    USB2 Controller Intel Wildcat Point PCH – USB 2.0 EHCI Host Controller 2
    USB3 Controller Intel Wildcat Point PCH – USB 3.0 xHCI Host Controller
    USB Device Generic USB Hub
    USB Device Generic USB Hub
    USB Device TP-LINK Wireless USB Adapter
    USB Device Unknown USB Device (Device Descriptor Request Failed)
    USB Device USB Attached SCSI (UAS) Mass Storage Device
    USB Device USB Composite Device
    USB Device USB Composite Device
    USB Device USB Input Device
    USB Device USB Input Device
    USB Device USB Input Device
    USB Device USB Input Device
    USB Device USB Input Device
    USB Device USB Mass Storage Device

    DMI
    DMI BIOS Vendor American Megatrends Inc.
    DMI BIOS Version F8
    DMI System Manufacturer Gigabyte Technology Co., Ltd.
    DMI System Product G1.Sniper Z97
    DMI System Version To be filled by O.E.M.
    DMI System Serial Number To be filled by O.E.M.
    DMI System UUID 7402D403-3504E605-3C06E607
    DMI Motherboard Manufacturer Gigabyte Technology Co., Ltd.
    DMI Motherboard Product G1.Sniper Z97
    DMI Motherboard Version x.x
    DMI Motherboard Serial Number To be filled by O.E.M.
    DMI Chassis Manufacturer Gigabyte Technology Co., Ltd.
    DMI Chassis Version To Be Filled By O.E.M.
    DMI Chassis Serial Number To Be Filled By O.E.M.
    DMI Chassis Asset Tag To Be Filled By O.E.M.
    DMI Chassis Type Desktop Case Lenovo ThinkStation S20
    whit IBM (AC Bell 625Watts Server 24/7 PS Gold 85+)

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