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AMD Radeon HD 7870 GHz Edition

Graphics Processor
Pitcairn
Cores
1280
TMUs
80
ROPs
32
Memory Size
2 GB
Memory Type
GDDR5
Bus Width
256 bit
GPU Chip
GPU
PCB Front
PCB Front
PCB Back
PCB Back
The Radeon HD 7870 GHz Edition was a performance graphics card by AMD, launched in March 2012. Built on the 28 nm process, and based on the Pitcairn graphics processor, in its Pitcairn XT variant, the card supports DirectX 12.0. The Pitcairn graphics processor is an average sized chip with a die area of 212 mm² and 2,800 million transistors. It features 1280 shading units, 80 texture mapping units and 32 ROPs. AMD has placed 2,048 MB GDDR5 memory on the card, which are connected using a 256-bit memory interface. The GPU is operating at a frequency of 1000 MHz, memory is running at 1200 MHz.
Being a dual-slot card, the AMD Radeon HD 7870 GHz Edition draws power from 2x 6-pin power connectors, with power draw rated at 175 W maximum. Display outputs include: 1x DVI, 1x HDMI, 2x mini-DisplayPort. Radeon HD 7870 GHz Edition is connected to the rest of the system using a PCI-Express 3.0 x16 interface. The card measures 241 mm in length, and features a dual-slot cooling solution. Its price at launch was 349 US Dollars.

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)
Production
End-of-life
Launch Price
349 USD
Bus Interface
PCIe 3.0 x16
Reviews
95 in our database

Relative Performance

4%
GeForce 210
6%
GeForce 9400 GT
7%
Radeon HD 4550
9%
Radeon HD 5450
10%
Radeon HD 6450
11%
GeForce GT 520
13%
GeForce GT 220
17%
GeForce GT 430
18%
Radeon HD 5570
19%
Radeon HD 4670
20%
GeForce GT 440
21%
GeForce GT 240
24%
GeForce 9600 GT
25%
Radeon HD 5670
27%
GeForce GT 640
28%
GeForce 9800 GT
29%
Radeon HD 6670
30%
Radeon HD 4830
32%
Radeon HD 4770
34%
Radeon HD 4850
34%
GeForce GTS 250
35%
GeForce GTS 450
37%
Radeon HD 5750
42%
Radeon HD 7750
42%
Radeon HD 5770
43%
GeForce GTX 260
43%
Radeon HD 4870
44%
Radeon Vega 8
44%
GeForce GTX 550 Ti
44%
GeForce GTX 650
47%
Radeon HD 5830
49%
Radeon HD 6790
50%
Radeon HD 4890
52%
GeForce GTX 460
52%
Radeon RX Vega 11
53%
GeForce GT 1030
53%
GeForce GTX 275
54%
Radeon HD 7770 GHz Edition
54%
GeForce GTX 280
55%
GeForce GTX 465
57%
Radeon HD 6850
59%
GeForce GTX 285
63%
Radeon HD 5850
64%
GeForce GTX 650 Ti
64%
Radeon HD 7790
67%
Radeon RX 550
67%
GeForce GTX 470
69%
Radeon HD 6870
74%
Radeon HD 5870
76%
GeForce GTX 560 Ti
77%
Radeon HD 4870 X2
78%
GeForce GTX 750 Ti
78%
Radeon HD 6950
81%
GeForce GTX 295
82%
GeForce GTX 650 Ti Boost
83%
Radeon HD 7850
84%
GeForce GTX 480
88%
Radeon HD 6970
90%
Radeon R7 265
91%
Radeon R7 370
91%
Radeon RX 560
92%
GeForce GTX 660
92%
GeForce GTX 570
99%
GeForce GTX 950
100%
Radeon HD 7870 GHz Edition
102%
Radeon R9 270X
104%
GeForce GTX 660 Ti
104%
GeForce GTX 580
105%
GeForce GTX 1050
105%
Radeon HD 7950
107%
Radeon RX 460
107%
Radeon HD 5970
110%
GeForce GTX 760
119%
GeForce GTX 670
122%
GeForce GTX 960
125%
Radeon R9 380
126%
Radeon R9 285
127%
Radeon HD 7970
128%
GeForce GTX 680
131%
GeForce GTX 1050 Ti
135%
GeForce GTX 770
138%
Radeon HD 6990
141%
Radeon R9 280X
143%
GeForce GTX 590
143%
Radeon HD 7970 GHz Edition
159%
GeForce GTX 780
175%
Radeon RX 470
177%
Radeon R9 290
189%
Radeon R9 390
190%
Radeon R9 290X
192%
GeForce GTX 970
195%
GeForce GTX TITAN
197%
Radeon RX 570
197%
GeForce GTX 780 Ti
200%
Radeon R9 390X
201%
Radeon HD 7990
202%
Radeon RX 480
204%
GeForce GTX 690
215%
Radeon RX 580
219%
GeForce GTX 980
222%
GeForce GTX 1060 6 GB
222%
Radeon R9 FURY
223%
Radeon RX 590
244%
Radeon R9 295X2
248%
Radeon R9 FURY X
253%
GeForce GTX 980 Ti
272%
GeForce GTX TITAN X
285%
GeForce GTX 1660 Ti
286%
GeForce GTX 1070
299%
Radeon RX Vega 56
324%
GeForce GTX 1070 Ti
333%
Radeon RX Vega 64
333%
GeForce RTX 2060
341%
GeForce GTX 1080
392%
Radeon VII
392%
GeForce RTX 2070
411%
TITAN X Pascal
421%
GeForce GTX 1080 Ti
455%
GeForce RTX 2080
526%
GeForce RTX 2080 Ti
Based on TPU review data: "Performance Summary" at 1920x1080

Clock Speeds

GPU Clock
1000 MHz
Memory Clock
1200 MHz
4800 MHz 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
Texture Rate
80.00 GTexel/s
FP32 (float) performance
2.560 TFLOPS
FP64 (double) performance
160.0 GFLOPS (1:16)

Board Design

Slot Width
Dual-slot
Length
9.5 inches
241 mm
TDP
175 W
Outputs
1x DVI
1x HDMI
2x mini-DisplayPort
Power Connectors
2x 6-pin
Board Number
C401-47

Graphics Features

DirectX
12.0 (11_1)
OpenGL
4.6
OpenCL
1.2
Vulkan
1.1.101
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

Retail boards based on this design (47)

Name GPU Clock Memory Clock Other Changes
ASUS HD 7870 DirectCU II 1010 MHz 1210 MHz 10.4 inches/264 mm
ASUS HD 7870 DirectCU II TOP 1100 MHz 1250 MHz 10.4 inches/264 mm
ASUS HD 7870 DirectCU II TOP V2 1100 MHz 1250 MHz 10.47 inches/266 mm, 2x DVI 1x HDMI 1x DisplayPort
ASUS HD 7870 DirectCU II V2 1000 MHz 1200 MHz 10.47 inches/266 mm, 2x DVI 1x HDMI 1x DisplayPort
Club 3D HD 7870 1000 MHz 1200 MHz
Club 3D HD 7870 13'Series 1000 MHz 1200 MHz 8.31 inches/211 mm, 2x DVI 1x HDMI 2x mini-DisplayPort
Club 3D HD 7870 Eyefinity 6 1000 MHz 1200 MHz 8.31 inches/211 mm, 6x mini-DisplayPort
Club 3D HD 7870 jokerCard 1000 MHz 1200 MHz 8.31 inches/211 mm, 2x DVI 1x HDMI 1x DisplayPort
Club 3D HD 7870 royalAce 1100 MHz 1200 MHz 10.55 inches/268 mm, 2x DVI 1x HDMI 2x mini-DisplayPort
Club 3D HD 7870 royalKing 1050 MHz 1200 MHz 8.31 inches/211 mm, 1x DVI 1x HDMI 1x DisplayPort
Club 3D HD 7870 royalQueen 1000 MHz 1200 MHz 8.31 inches/211 mm, 1x DVI 1x HDMI 1x DisplayPort
ColorFire HD 7870 XStorm 1050 MHz 1250 MHz 10.5 inches/267 mm, 2x DVI 1x HDMI 1x DisplayPort
Diamond HD 7870 1000 MHz 1200 MHz 9.8 inches/249 mm
Diamond HD 7870 Double Diamond Edition 1050 MHz 1250 MHz 9.8 inches/249 mm
Diamond HD 7870 V2 1000 MHz 1200 MHz 8.2 inches/208 mm, 2x DVI 1x HDMI 1x DisplayPort
GIGABYTE HD 7870 WindForce 3X 1000 MHz 1200 MHz 11.024 inches/280 mm
GIGABYTE HD 7870 WindForce 3X OC 1100 MHz 1200 MHz 11.02 inches/280 mm
HIS HD 7870 Fan 1000 MHz 1200 MHz 10.08 inches/256 mm
HIS HD 7870 IceQ 1000 MHz 1200 MHz 11.69 inches/297 mm
HIS HD 7870 IceQ Turbo 1100 MHz 1200 MHz 11.69 inches/297 mm
HIS HD 7870 IceQ X 1000 MHz 1200 MHz 10.04 inches/255 mm
HIS HD 7870 IceQ X Turbo 1100 MHz 1200 MHz 10.04 inches/255 mm
HIS HD 7870 IceQ X Turbo X 1100 MHz 1250 MHz 10.04 inches/255 mm
MSI HD 7870 Hawk 1100 MHz 1200 MHz 10.905 inches/277 mm
MSI HD 7870 OC 1050 MHz 1200 MHz 9.49 inches/241 mm
MSI HD 7870 Power Edition 1020 MHz 1200 MHz 10.433 inches/265 mm
MSI HD 7870 Twin Frozr III OC 1050 MHz 1200 MHz 10.63 inches/270 mm
PowerColor Devil HD 7870 1100 MHz 1250 MHz 10.83 inches/275 mm, 2x DVI 1x HDMI 2x mini-DisplayPort
PowerColor HD 7870 1000 MHz 1200 MHz
PowerColor HD 7870 Eyefinity 6 1000 MHz 1200 MHz 9.055 inches/230 mm, 6x mini-DisplayPort
PowerColor HD 7870 OC 1030 MHz 1200 MHz 8.86 inches/225 mm, 2x DVI 1x HDMI 2x mini-DisplayPort
PowerColor HD 7870 V2 1000 MHz 1200 MHz 8.86 inches/225 mm, 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 11.22 inches/285 mm, 2x DVI 1x HDMI 2x mini-DisplayPort
Sapphire HD 7870 Dual-X OC 1050 MHz 1200 MHz 8.86 inches/225 mm, 2x DVI 1x HDMI 1x DisplayPort
Sapphire HD 7870 FleX 1050 MHz 1250 MHz 10.236 inches/260 mm, 2x DVI 1x HDMI 1x DisplayPort
Sapphire HD 7870 OC 1050 MHz 1250 MHz 10.24 inches/260 mm
Sapphire HD 7870 Toxic 1100 MHz 1200 MHz 10.8 inches/274 mm, 2x DVI 1x HDMI 1x DisplayPort
VisionTek HD 7870 Eyefinity 6 1000 MHz 1200 MHz 9.055 inches/230 mm, 6x mini-DisplayPort
VisionTek HD 7870 GHz Edition 1000 MHz 1200 MHz
VTX3D HD 7870 Eyefinity 6 1000 MHz 1200 MHz 9.055 inches/230 mm, 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 10.04 inches/255 mm