ATI FirePro V7900 vs AMD Radeon HD 8970M
GPU · Specs Compare
Graphics Card
Release Date
May 2011
May 2013
Generation
FirePro
Solar System
Type
Desktop
Mobile
Bus Interface
PCIe 2.0 x16
PCIe 3.0 x16
Clock Speeds
Memory Clock
1250 MHz
1200 MHz
Base Clock
—
850 MHz
Boost Clock
—
900 MHz
Memory
Memory Size
2GB
4GB
Memory Type
GDDR5
GDDR5
Memory Bus
256bit
256bit
Bandwidth
160.0GB/s
153.6GB/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
28.80 GPixel/s
Texture Rate
58.00 GTexel/s
72.00 GTexel/s
FP32 (float)
1.856 TFLOPS
2.304 TFLOPS
FP64 (double)
464.0 GFLOPS
144.0 GFLOPS
Graphics Processor
GPU Name
Cayman
Neptune
GPU Variant
Cayman PRO GL
Neptune XT(216-0847000)
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
100W
Suggested PSU
450 W
—
Outputs
4x DisplayPort 1.2
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.