Report an Error

GIGABYTE HD 7870 WindForce 3X OC

  • GV-R787OC-2GD
Graphics Processor
Pitcairn
Cores
1280
TMUs
80
ROPs
32
Memory Size
2 GB
Memory Type
GDDR5
Bus Width
256 bit
Front GPU Chip

Graphics Processor

GPU Name
Pitcairn
GPU Variant
Pitcairn XT
(215-0828047)
Architecture
GCN 1.0
Foundry
TSMC
Process Size
28 nm
Transistors
2,800 million
Die Size
212 mm²

Graphics Card

Release Date
Mar 5th, 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
1000 MHz
1100 MHz (+10%)
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
1280
TMUs
80
ROPs
32
Compute Units
20
L1 Cache
16 KB (per CU)
L2 Cache
512 KB

Theoretical Performance

Pixel Rate
32.00 GPixel/s
35.20 GPixel/s
Texture Rate
80.00 GTexel/s
88.00 GTexel/s
FP32 (float) performance
2.560 TFLOPS
2.816 TFLOPS
FP64 (double) performance
160.0 GFLOPS
176.0 GFLOPS (1:16)

Board Design

Slot Width
Dual-slot
Length
241 mm
280 mm
9.5 inches
11 inches
TDP
175 W
Suggested PSU
450 W
Outputs
1x DVI
1x HDMI 1.4a
2x mini-DisplayPort 1.2
Power Connectors
2x 6-pin
Board Number
C401-47

Graphics Features

DirectX
12 (11_1)
OpenGL
4.6
OpenCL
1.2
Vulkan
1.2
Shader Model
5.1

Pitcairn GPU Notes

Architecture Codename: Southern Islands
CLRX Version: GCN 1.0
Graphics/Compute: GFX6 (gfx601)
Display Core Engine: 6.0
Unified Video Decoder: 4.0
Video Compression Engine: 1.0

Other retail boards based on this design (47)

Name GPU Clock Memory Clock Other Changes
ASUS HD 7870 DirectCU II 1010 MHz 1210 MHz 264 mm/10.4 inches
ASUS HD 7870 DirectCU II TOP 1100 MHz 1250 MHz 264 mm/10.4 inches
ASUS HD 7870 DirectCU II TOP V2 1100 MHz 1250 MHz 266 mm/10.5 inches, 2x DVI 1x HDMI 1x DisplayPort
ASUS HD 7870 DirectCU II V2 1000 MHz 1200 MHz 266 mm/10.5 inches, 2x DVI 1x HDMI 1x DisplayPort
Club 3D HD 7870 1000 MHz 1200 MHz
Club 3D HD 7870 13'Series 1000 MHz 1200 MHz 211 mm/8.3 inches, 2x DVI 1x HDMI 2x mini-DisplayPort
Club 3D HD 7870 Eyefinity 6 1000 MHz 1200 MHz 211 mm/8.3 inches, 6x mini-DisplayPort
Club 3D HD 7870 jokerCard 1000 MHz 1200 MHz 211 mm/8.3 inches, 2x DVI 1x HDMI 1x DisplayPort
Club 3D HD 7870 royalAce 1100 MHz 1200 MHz 268 mm/10.6 inches, 2x DVI 1x HDMI 2x mini-DisplayPort
Club 3D HD 7870 royalKing 1050 MHz 1200 MHz 211 mm/8.3 inches, 1x DVI 1x HDMI 1x DisplayPort
Club 3D HD 7870 royalQueen 1000 MHz 1200 MHz 211 mm/8.3 inches, 1x DVI 1x HDMI 1x DisplayPort
ColorFire HD 7870 XStorm 1050 MHz 1250 MHz 267 mm/10.5 inches, 2x DVI 1x HDMI 1x DisplayPort
Diamond HD 7870 1000 MHz 1200 MHz 249 mm/9.8 inches
Diamond HD 7870 Double Diamond Edition 1050 MHz 1250 MHz 249 mm/9.8 inches
Diamond HD 7870 V2 1000 MHz 1200 MHz 208 mm/8.2 inches, 2x DVI 1x HDMI 1x DisplayPort
GIGABYTE HD 7870 WindForce 3X 1000 MHz 1200 MHz 280 mm/11 inches
GIGABYTE HD 7870 WindForce 3X OC 1100 MHz 1200 MHz 280 mm/11 inches
HIS HD 7870 Fan 1000 MHz 1200 MHz 256 mm/10.1 inches
HIS HD 7870 IceQ 1000 MHz 1200 MHz 297 mm/11.7 inches
HIS HD 7870 IceQ Turbo 1100 MHz 1200 MHz 297 mm/11.7 inches
HIS HD 7870 IceQ X 1000 MHz 1200 MHz 255 mm/10 inches
HIS HD 7870 IceQ X Turbo 1100 MHz 1200 MHz 255 mm/10 inches
HIS HD 7870 IceQ X Turbo X 1100 MHz 1250 MHz 255 mm/10 inches
MSI HD 7870 Hawk 1100 MHz 1200 MHz 277 mm/10.9 inches
MSI HD 7870 OC 1050 MHz 1200 MHz
MSI HD 7870 Power Edition 1020 MHz 1200 MHz 265 mm/10.4 inches
MSI HD 7870 Twin Frozr III OC 1050 MHz 1200 MHz 270 mm/10.6 inches
PowerColor Devil HD 7870 1100 MHz 1250 MHz 275 mm/10.8 inches, 2x DVI 1x HDMI 2x mini-DisplayPort
PowerColor HD 7870 1000 MHz 1200 MHz
PowerColor HD 7870 Eyefinity 6 1000 MHz 1200 MHz 230 mm/9.1 inches, 6x mini-DisplayPort
PowerColor HD 7870 OC 1030 MHz 1200 MHz 225 mm/8.9 inches, 2x DVI 1x HDMI 2x mini-DisplayPort
PowerColor HD 7870 V2 1000 MHz 1200 MHz 225 mm/8.9 inches, 2x DVI 1x HDMI 2x mini-DisplayPort
PowerColor PCS+ HD 7870 1100 MHz 1225 MHz 2x DVI 1x HDMI 2x mini-DisplayPort
PowerColor PCS+ HD 7870 Vortex II 1150 MHz 1250 MHz 285 mm/11.2 inches, 2x DVI 1x HDMI 2x mini-DisplayPort
Sapphire HD 7870 Dual-X OC 1050 MHz 1200 MHz 225 mm/8.9 inches, 2x DVI 1x HDMI 1x DisplayPort
Sapphire HD 7870 FleX 1050 MHz 1250 MHz 260 mm/10.2 inches, 2x DVI 1x HDMI 1x DisplayPort
Sapphire HD 7870 OC 1050 MHz 1250 MHz 260 mm/10.2 inches
Sapphire HD 7870 Toxic 1100 MHz 1200 MHz 274 mm/10.8 inches, 2x DVI 1x HDMI 1x DisplayPort
VisionTek HD 7870 Eyefinity 6 1000 MHz 1200 MHz 230 mm/9.1 inches, 6x mini-DisplayPort
VisionTek HD 7870 GHz Edition 1000 MHz 1200 MHz
VTX3D HD 7870 Eyefinity 6 1000 MHz 1200 MHz 230 mm/9.1 inches, 6x mini-DisplayPort
VTX3D HD 7870 X-Edition 1100 MHz 1225 MHz 2x DVI 1x HDMI 2x mini-DisplayPort
XFX Double D HD 7870 1000 MHz 1200 MHz 2x DVI 1x HDMI 2x mini-DisplayPort
XFX Double D HD 7870 Black Edition 1050 MHz 1250 MHz 2x DVI 1x HDMI 2x mini-DisplayPort
XFX HD 7870 1000 MHz 1200 MHz 2x DVI 1x HDMI 2x mini-DisplayPort
XFX HD 7870 Black Edition 1050 MHz 1250 MHz 2x DVI 1x HDMI 2x mini-DisplayPort
Zalman HD 7870 VF3000 1000 MHz 1200 MHz 255 mm/10 inches
May 24th, 2022 05:28 EDT change timezone

Latest GPU Drivers

New Forum Posts

Popular Reviews

Controversial News Posts