GIGABYTE HD 7850 WindForce 2X OC 2 GB

GV-R785OC-2GD

Graphics Processor

Pitcairn

Cores

1024

TMUs

ROPs

Memory Size

2 GB

Memory Type

GDDR5

Bus Width

256 bit

GPU

Graphics Processor

GPU Name: Pitcairn

GPU Variant: Pitcairn PRO
(215-0828062)

Architecture: GCN 1.0

Foundry: TSMC

Process Size: 28 nm

Transistors: 2,800 million

Density: 13.2M / mm²

Die Size: 212 mm²

Chip Package: FCBGA-1737

Graphics Card

Release Date: ~~Mar 5th, 2012~~
May 29th, 2012

Generation: Southern Islands
(HD 7800)

Predecessor: Northern Islands

Successor: Sea Islands

Production: End-of-life

Bus Interface: PCIe 3.0 x16

Clock Speeds

GPU Clock: ~~860 MHz~~
975 MHz (+13%)

Memory Clock: 1200 MHz
4.8 Gbps effective

Memory

Memory Size: 2 GB

Memory Type: GDDR5

Memory Bus: 256 bit

Bandwidth: 153.6 GB/s

Render Config

Shading Units: 1024

TMUs: 64

ROPs: 32

Compute Units: 16

L1 Cache: 16 KB (per CU)

L2 Cache: 512 KB

Theoretical Performance

Pixel Rate: ~~27.52 GPixel/s~~
31.20 GPixel/s

Texture Rate: ~~55.04 GTexel/s~~
62.40 GTexel/s

FP32 (float): ~~1.761 TFLOPS~~
1.997 TFLOPS

FP64 (double): ~~110.1 GFLOPS~~
124.8 GFLOPS (1:16)

Board Design

Slot Width: Dual-slot

Length: ~~210 mm~~
241 mm
~~8.3 inches~~
9.5 inches

TDP: 130 W

Suggested PSU: 300 W

Outputs: 1x DVI
1x HDMI 1.4a
2x mini-DisplayPort 1.2

Power Connectors: 1x 6-pin

Board Number: 109-C40147-00,
109-C40337-00A

Graphics Features

DirectX: 12 (11_1)

OpenGL: 4.6

OpenCL: 2.1 (1.2)

Vulkan: 1.2.170

Shader Model: 6.5 (5.1)

Pitcairn GPU Notes

Generation: Southern Islands
Desktop Variant: Curacao / Trinidad
Mobile Variant: Wimbledon / Neptune
Graphics/Compute: GFX6 (gfx601)
Display Core Engine: 6.0
Unified Video Decoder: 4.0
Video Compression Engine: 1.0
CLRX: GCN 1.0

Latest Drivers:
Windows XP / 8:
Catalyst Software Suite 14.4

Windows Vista :
Catalyst Software Suite 13.12

Windows 7:
32-bit: Radeon Software: Adrenalin Edition 18.9.3
64-bit: AMD Software: Adrenalin Edition 22.6.1

Windows 8.1:
32-bit: Radeon Software: Crimson ReLive Edition 16.12.2 / 17.1.2
64-bit: Radeon Software: Crimson ReLive Edition 17.4.4 / 17.7.1

Windows 10:
32-bit: Radeon Software: Adrenalin Edition 18.9.3
64-bit: AMD Software: Adrenalin Edition 22.6.1

Other retail boards based on this design (82)

Name	GPU Clock	Memory Clock	Other Changes
AFOX HD 7850	860 MHz	1200 MHz	216 mm/8.5 inches, Single-slot, 1x DVI 1x HDMI 1x DisplayPort 1x mini-DisplayPort
AFOX HD 7850 Low Profile	860 MHz	1200 MHz	229 mm/9 inches, Single-slot, 1x DVI 1x DisplayPort
ASUS Dragon HD 7850 DirectCU II OC 1 GB	910 MHz	1250 MHz	1024 MB, 270 mm/10.6 inches, 2x DVI 1x HDMI 1x DisplayPort
ASUS Dragon HD 7850 DirectCU II OC 2 GB	1000 MHz	1250 MHz	266 mm/10.5 inches, 2x DVI 1x HDMI 1x DisplayPort
ASUS HD 7850 DirectCU	860 MHz	1200 MHz	1024 MB, 249 mm/9.8 inches, 2x DVI 1x HDMI 1x DisplayPort
ASUS HD 7850 DirectCU II	870 MHz	1210 MHz	259 mm/10.2 inches
ASUS HD 7850 DirectCU II TOP	1050 MHz	1250 MHz	259 mm/10.2 inches
ASUS HD 7850 DirectCU II TOP V2	1000 MHz	1250 MHz	266 mm/10.5 inches, 2x DVI 1x HDMI 1x DisplayPort
ASUS HD 7850 DirectCU II V2	860 MHz	1200 MHz	264 mm/10.4 inches, 2x DVI 1x HDMI 1x DisplayPort
Club 3D HD 7850	860 MHz	1200 MHz
Club 3D HD 7850 royalAce	1000 MHz	1200 MHz	268 mm/10.6 inches, 2x DVI 1x HDMI 2x mini-DisplayPort
Club 3D HD 7850 royalKing 1 GB	910 MHz	1200 MHz	1024 MB, 198 mm/7.8 inches, 1x DVI 1x HDMI 1x DisplayPort
Club 3D HD 7850 royalKing 2 GB	910 MHz	1200 MHz	198 mm/7.8 inches, 1x DVI 1x HDMI 1x DisplayPort
Club 3D HD 7850 royalQueen 1 GB	860 MHz	1200 MHz	1024 MB, 198 mm/7.8 inches, 1x DVI 1x HDMI 1x DisplayPort
Club 3D HD 7850 royalQueen 2 GB	860 MHz	1200 MHz	198 mm/7.8 inches, 1x DVI 1x HDMI 1x DisplayPort
ColorFire HD 7850 PRO X6	860 MHz	1200 MHz	6x mini-DisplayPort
ColorFire HD 7850 XStorm	860 MHz	1200 MHz	2x DVI 1x HDMI 1x DisplayPort
ColorFire i-Cafe HD 7850 1 GB	860 MHz	1200 MHz	1024 MB, 1x DVI 1x HDMI 1x DisplayPort
ColorFire i-Cafe HD 7850 2 GB	860 MHz	1200 MHz	1x DVI 1x HDMI 1x DisplayPort
Dataland HD 7850 Dual Cool 1 GB	910 MHz	1200 MHz	1024 MB, 1x DVI 1x HDMI 1x DisplayPort
Dataland HD 7850 Dual Cool 2 GB	910 MHz	1200 MHz	1x DVI 1x HDMI 1x DisplayPort
Diamond HD 7850	860 MHz	1200 MHz	203 mm/8 inches
Diamond HD 7850 V2	860 MHz	1200 MHz	221 mm/8.7 inches
GIGABYTE HD 7850 WindForce 2X 1 GB	860 MHz	1200 MHz	1024 MB, 241 mm/9.5 inches
GIGABYTE HD 7850 WindForce 2X 2 GB	860 MHz	1200 MHz	241 mm/9.5 inches
GIGABYTE HD 7850 WindForce 2X OC 1 GB	900 MHz	1200 MHz	1024 MB, 241 mm/9.5 inches
GIGABYTE HD 7850 WindForce 2X OC 2 GB	975 MHz	1200 MHz	241 mm/9.5 inches
HIS HD 7850 Fan 1 GB	860 MHz	1200 MHz	1024 MB, 230 mm/9.1 inches
HIS HD 7850 Fan 2 GB	860 MHz	1200 MHz	230 mm/9.1 inches
HIS HD 7850 IceQ X 1 GB	860 MHz	1200 MHz	1024 MB, 235 mm/9.3 inches
HIS HD 7850 IceQ X 2 GB	860 MHz	1200 MHz	235 mm/9.3 inches
HIS HD 7850 IceQ X Turbo 1 GB	1000 MHz	1200 MHz	1024 MB, 235 mm/9.3 inches
HIS HD 7850 IceQ X Turbo 2 GB	1000 MHz	1200 MHz	235 mm/9.3 inches
HIS HD 7850 IceQ X Turbo X	1000 MHz	1250 MHz	235 mm/9.3 inches
HIS HD 7850 iPower IceQ 4 GB	860 MHz	1200 MHz	4 GB, 297 mm/11.7 inches, 2x DVI 1x HDMI 2x mini-DisplayPort
HIS HD 7850 iPower IceQ Turbo	1000 MHz	1200 MHz	297 mm/11.7 inches
HIS HD 7850 iPower IceQ Turbo 4 GB	1000 MHz	1200 MHz	4 GB, 297 mm/11.7 inches, 2x DVI 1x HDMI 2x mini-DisplayPort
HIS HD 7850 iPower IceQ Turbo X	1000 MHz	1250 MHz	297 mm/11.7 inches
HIS HD 7850 iPower IceQ X2	860 MHz	1200 MHz	224 mm/8.8 inches
HIS HD 7850 iPower IceQ X2 Turbo	1000 MHz	1200 MHz	224 mm/8.8 inches
M-ONE HD 7850 Skyrocket	900 MHz	1200 MHz	1x DVI 1x HDMI 1x VGA
MAXSUN HD 7850 Big Mac X2	860 MHz	1200 MHz	1x DVI 1x HDMI 1x VGA
MAXSUN HD 7850 Jumbo	860 MHz	1200 MHz	1024 MB, 1x DVI 1x HDMI 1x VGA
MSI HD 7850 Hawk 1 GB	980 MHz	1200 MHz	1024 MB
MSI HD 7850 Hawk 2 GB	980 MHz	1200 MHz
MSI HD 7850 OC 1 GB	900 MHz	1200 MHz	1024 MB, 202 mm/8 inches
MSI HD 7850 OC 2 GB	900 MHz	1200 MHz	202 mm/8 inches
MSI HD 7850 Power Edition OC	950 MHz	1200 MHz
MSI HD 7850 Twin Frozr III OC	900 MHz	1200 MHz	225 mm/8.9 inches
PowerColor HD 7850 1 GB	860 MHz	1200 MHz	1024 MB, 206 mm/8.1 inches, 1x DVI 1x HDMI 1x DisplayPort
PowerColor HD 7850 2 GB	860 MHz	1200 MHz	206 mm/8.1 inches, 1x DVI 1x HDMI 1x DisplayPort
PowerColor HD 7850 Fling Force	910 MHz	1200 MHz	1x DVI 1x HDMI 1x DisplayPort
PowerColor HD 7850 SCS3	860 MHz	1200 MHz	1024 MB, 203 mm/8 inches, 1x DVI 1x HDMI 1x DisplayPort
PowerColor HD 7850 V2	860 MHz	1200 MHz	203 mm/8 inches, 1x DVI 1x HDMI 1x DisplayPort
PowerColor PCS+ HD 7850	1000 MHz	1225 MHz	230 mm/9.1 inches, 2x DVI 1x HDMI 2x mini-DisplayPort
Sapphire HD 7850 Dual-X 1 GB	860 MHz	1200 MHz	1024 MB, 207 mm/8.1 inches, 2x DVI 1x HDMI 1x DisplayPort
Sapphire HD 7850 Dual-X 2 GB	860 MHz	1200 MHz	207 mm/8.1 inches, 2x DVI 1x HDMI 1x DisplayPort
Sapphire HD 7850 Dual-X OC 1 GB	900 MHz	1200 MHz	1024 MB, 207 mm/8.1 inches, 2x DVI 1x HDMI 1x DisplayPort
Sapphire HD 7850 Dual-X OC 2 GB	920 MHz	1250 MHz	207 mm/8.1 inches, 2x DVI 1x HDMI 1x DisplayPort
Sapphire HD 7850 Eyefinity 2.0 2 GB	860 MHz	1200 MHz
Sapphire HD 7850 Net Bar	860 MHz	1200 MHz	1x DVI 1x HDMI 1x VGA
Sapphire HD 7850 OC 2 GB	920 MHz	1250 MHz
Sapphire HD 7850 OC Eyefinity 2.0 1 GB	900 MHz	1200 MHz	1024 MB, 207 mm/8.1 inches, 2x DVI 1x HDMI 1x DisplayPort
Sapphire HD 7850 Overseas Edition	860 MHz	1200 MHz	1x DVI 1x HDMI 1x VGA
VisionTek HD 7850	860 MHz	1200 MHz
VisionTek HD 7850 OC Edition	1000 MHz	1225 MHz
VTX3D HD 7850 VChamp	1000 MHz	1225 MHz	2x DVI 1x HDMI 2x mini-DisplayPort
VTX3D HD 7850 X-Edition 1 GB	1000 MHz	1225 MHz	1024 MB, 2x DVI 1x HDMI 2x mini-DisplayPort
VTX3D HD 7850 X-Edition 2 GB	1000 MHz	1225 MHz	2x DVI 1x HDMI 2x mini-DisplayPort
XFX Double D HD 7850 1 GB	860 MHz	1200 MHz	1024 MB, 198 mm/7.8 inches, 2x DVI 1x HDMI 2x mini-DisplayPort
XFX Double D HD 7850 2 GB	860 MHz	1200 MHz	241 mm/9.5 inches, 2x DVI 1x HDMI 2x mini-DisplayPort
XFX Double D HD 7850 Black Edition	975 MHz	1250 MHz	241 mm/9.5 inches, 2x DVI 1x HDMI 2x mini-DisplayPort
XFX FX 7850 Monster	860 MHz	1200 MHz	2x DVI 1x HDMI 2x mini-DisplayPort
XFX HD 7850 1 GB	860 MHz	1200 MHz	1024 MB, 198 mm/7.8 inches, 2x DVI 1x HDMI 2x mini-DisplayPort
XFX HD 7850 1 GB	860 MHz	1200 MHz	1024 MB, 198 mm/7.8 inches, 2x DVI 1x HDMI 2x mini-DisplayPort
XFX HD 7850 2 GB	860 MHz	1200 MHz	198 mm/7.8 inches
XFX HD 7850 2 GB	860 MHz	1200 MHz	241 mm/9.5 inches, 2x DVI 1x HDMI 2x mini-DisplayPort
XFX HD 7850 2 GB	860 MHz	1200 MHz	198 mm/7.8 inches, 2x DVI 1x HDMI 2x mini-DisplayPort
XFX HD 7850 Black Edition	975 MHz	1250 MHz	241 mm/9.5 inches, 2x DVI 1x HDMI 2x mini-DisplayPort
Yeston HD 7850	860 MHz	1200 MHz	220 mm/8.7 inches, 2x DVI 1x HDMI 1x DisplayPort
Zalman HD 7850 GV1000-Cu	860 MHz	1200 MHz	212 mm/8.3 inches
Zalman HD 7850 VF1500	860 MHz	1200 MHz	225 mm/8.9 inches