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XFX Double D HD 7870

Tahiti
Graphics Processor
1536
Cores
96
TMUs
32
ROPs
2048 MB
Memory Size
GDDR5
Memory Type
256 bit
Bus Width
XFX Double D HD 7870 Image AMD Tahiti Image

Graphics Processor

GPU Name: Tahiti
GPU Variant: Tahiti LE
Architecture: GCN 1.0
Process Size: 28 nm
Transistors: 4,313 million
Die Size: 352 mm²

Graphics Card

Released: Nov 19th, 2012
Jan 11th, 2013
Production Status: Active
Bus Interface: PCIe 3.0 x16
XFX Part #: FX-787A-CXFC

Clock Speeds

GPU Clock: 925 MHz
Boost Clock: 975 MHz
1000 MHz (+3%)
Memory Clock: 1500 MHz
1250 MHz (-17%)
6000 MHz effective
5000 MHz effective

Memory

Memory Size: 2048 MB
Memory Type: GDDR5
Memory Bus: 256 bit
Bandwidth: 192.0 GB/s
160.0 GB/s

Render Config

Shading Units: 1536
TMUs: 96
ROPs: 32
Compute Units: 24
Pixel Rate: 31.20 GPixel/s
32.0 GPixel/s
Texture Rate: 93.6 GTexel/s
96.0 GTexel/s
Floating-point performance: 2,995.2 GFLOPS
3,072.0 GFLOPS

Board Design

Slot Width: Dual-slot
Length: 10.5 inches
9.5 inches
267 mm
241 mm
TDP: 185 W
Outputs: 1x DVI
1x HDMI
2x mini-DisplayPort
Power Connectors: 2x 6-pin
Board Number: C474

Graphics Features

DirectX: 12.0
OpenGL: 4.5
OpenCL: 1.2
Shader Model: 5.0

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Reviews

Our review database contains 95 reviews of the Double D HD 7870.

Card Notes

128 Z/Stencil ROP Units

Tahiti GPU Notes

Exact Transistor Count: 4,312,711,873

Instruction Set:
SOP1, SOP2, SOPC, SOPK, SOPP, SMRD, VOP1, VOP2, VOP3, VOPC, VINTRP, LDS, GDS, MUBUF, MTBUF, MIMG, EXP

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Name GPU Clock Boost Clock Memory Clock Other Changes
Club 3D HD 7870 XT jokerCard 925 MHz 975 MHz 1500 MHz 10.55 inches
Dataland PCS+ HD 7870 MYST. Edition 925 MHz 975 MHz 1500 MHz
PowerColor PCS+ HD 7870 EZ Edition 925 MHz 975 MHz 1500 MHz
PowerColor PCS+ HD 7870 MYST. Edition 925 MHz 975 MHz 1500 MHz
Sapphire HD 7870 XT Boost 925 MHz 975 MHz 1500 MHz 10.827 inches
VTX3D HD 7870 Black Edition 925 MHz 975 MHz 1500 MHz
XFX Double D HD 7870 925 MHz 1000 MHz 1250 MHz 9.5 inches