MSI HD 7870 OC

R7870-2GD5T/OC

Graphics Processor

Pitcairn

Cores

1280

TMUs

ROPs

Memory Size

2 GB

Memory Type

GDDR5

Bus Width

256 bit

GPU

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

Density: 13.2M / mm²

Die Size: 212 mm²

Chip Package: FCBGA-1737

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~~
1050 MHz (+5%)

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~~
33.60 GPixel/s

Texture Rate: ~~80.00 GTexel/s~~
84.00 GTexel/s

FP32 (float): ~~2.560 TFLOPS~~
2.688 TFLOPS

FP64 (double): ~~160.0 GFLOPS~~
168.0 GFLOPS (1:16)

Board Design

Slot Width: Dual-slot

Length: 241 mm
9.5 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: 109-C40147-00,
109-C40147-00B

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

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