AMD Radeon Pro Duo vs AMD Radeon HD 7870 GHz Edition
GPU Specs Compare
Graphics Card
Release Date
Apr 2016
Mar 2012
Generation
Radeon Pro
Southern Islands
Type
Desktop
Desktop
Bus Interface
PCIe 3.0 x16
PCIe 3.0 x16
Clock Speeds
Memory Clock
500 MHz
1200 MHz
Memory
Memory Size
4GB
2GB
Memory Type
HBM
GDDR5
Memory Bus
4096bit
256bit
Bandwidth
512.0GB/s
153.6GB/s
Render Config
Compute Units
64
20
Shading Units
4096
1280
TMUs
256
80
ROPs
64
32
L1 Cache
16 KB (per CU)
16 KB (per CU)
L2 Cache
2 MB
512 KB
Theoretical Performance
Pixel Rate
64.00 GPixel/s
32.00 GPixel/s
Texture Rate
256.0 GTexel/s
80.00 GTexel/s
FP16 (half)
8.192 TFLOPS
-
FP32 (float)
8.192 TFLOPS
2.560 TFLOPS
FP64 (double)
512.0 GFLOPS
160.0 GFLOPS
Graphics Processor
GPU Name
Capsaicin
Pitcairn
GPU Variant
Capsaicin XT
Pitcairn XT(215-0828047)
Architecture
GCN 3.0
GCN 1.0
Foundry
TSMC
TSMC
Process Size
28 nm
28 nm
Transistors
8.9 billion
2.8 billion
Die Size
596 mm²
212 mm²
Board Design
TDP
350W
175W
Suggested PSU
750 W
450 W
Outputs
1x HDMI 1.4a3x DisplayPort 1.2
1x DVI1x HDMI 1.4a2x mini-DisplayPort 1.2
Power Connectors
3x 8-pin
2x 6-pin
Graphics Features
DirectX
12 (12_0)
12 (11_1)
OpenGL
4.6
4.6
OpenCL
2.0
1.2
Vulkan
1.2
1.2
Shader Model
6.0
5.1