ATI FirePro V7900 SDI vs AMD Radeon HD 7950M
GPU · Specs Compare
Graphics Card
Release Date
May 2011
Apr 2012
Generation
FirePro
London
Type
Desktop
Mobile
Bus Interface
PCIe 2.0 x16
MXM-B (3.0)
Clock Speeds
Memory Clock
1250 MHz
1000 MHz
Memory
Memory Size
2GB
2GB
Memory Type
GDDR5
GDDR5
Memory Bus
256bit
256bit
Bandwidth
160.0GB/s
128.0GB/s
Render Config
Compute Units
20
20
Shading Units
1280
1280
TMUs
80
80
ROPs
32
32
L1 Cache
8 KB (per CU)
16 KB (per CU)
L2 Cache
512 KB
512 KB
Theoretical Performance
Pixel Rate
23.20 GPixel/s
22.40 GPixel/s
Texture Rate
58.00 GTexel/s
56.00 GTexel/s
FP32 (float)
1.856 TFLOPS
1.792 TFLOPS
FP64 (double)
464.0 GFLOPS
—
Graphics Processor
GPU Name
Cayman
Wimbledon
GPU Variant
Cayman PRO GL
Wimbledon PRO
Architecture
TeraScale 3
GCN 1.0
Foundry
TSMC
TSMC
Process Size
40 nm
28 nm
Transistors
2.64 billion
2.8 billion
Die Size
389 mm²
212 mm²
Board Design
TDP
150W
75W
Suggested PSU
450 W
—
Outputs
4x SDI
No outputs
Power Connectors
1x 6-pin
—
Graphics Features
DirectX
11.2 (11_0)
12 (11_1)
OpenGL
4.4
4.6
OpenCL
1.2
1.2
Vulkan
N/A
1.2
Shader Model
5.0
5.1
▲ Specs Compare
Data sourced from official specifications and benchmark tests.