AMD Radeon HD 7870 GHz Edition vs AMD FirePro W4300
GPU Specs Compare
Graphics Card
Release Date
Mar 2012
Dec 2015
Generation
Southern Islands
FirePro
Type
Desktop
Desktop
Bus Interface
PCIe 3.0 x16
PCIe 3.0 x16
Clock Speeds
Memory Clock
1200 MHz
1500 MHz
Memory
Memory Size
2GB
4GB
Memory Type
GDDR5
GDDR5
Memory Bus
256bit
128bit
Bandwidth
153.6GB/s
96.00GB/s
Render Config
Compute Units
20
12
Shading Units
1280
768
TMUs
80
48
ROPs
32
16
L1 Cache
16 KB (per CU)
16 KB (per CU)
L2 Cache
512 KB
256 KB
Theoretical Performance
Pixel Rate
32.00 GPixel/s
14.88 GPixel/s
Texture Rate
80.00 GTexel/s
44.64 GTexel/s
FP32 (float)
2.560 TFLOPS
1428 GFLOPS
FP64 (double)
160.0 GFLOPS
89.28 GFLOPS
Graphics Processor
GPU Name
Pitcairn
Bonaire
GPU Variant
Pitcairn XT(215-0828047)
Bonaire PRO GL
Architecture
GCN 1.0
GCN 2.0
Foundry
TSMC
TSMC
Process Size
28 nm
28 nm
Transistors
2.8 billion
2.08 billion
Die Size
212 mm²
160 mm²
Board Design
TDP
175W
50W
Suggested PSU
450 W
250 W
Outputs
1x DVI1x HDMI 1.4a2x mini-DisplayPort 1.2
4x mini-DisplayPort 1.2
Power Connectors
2x 6-pin
None
Graphics Features
DirectX
12 (11_1)
12 (12_0)
OpenGL
4.6
4.6
OpenCL
1.2
2.0
Vulkan
1.2
1.2
Shader Model
5.1
6.3