ATI FirePro V7900 SDI vs AMD Radeon HD 6990
GPU Specs Compare
Graphics Card
Release Date
May 2011
Mar 2011
Generation
FirePro
Northern Islands
Type
Desktop
Desktop
Bus Interface
PCIe 2.0 x16
PCIe 2.0 x16
Clock Speeds
Memory Clock
1250 MHz
1250 MHz
Memory
Memory Size
2GB
2GB
Memory Type
GDDR5
GDDR5
Memory Bus
256bit
256bit
Bandwidth
160.0GB/s
160.0GB/s
Render Config
Compute Units
20
24
Shading Units
1280
1536
TMUs
80
96
ROPs
32
32
L1 Cache
8 KB (per CU)
8 KB (per CU)
L2 Cache
512 KB
512 KB
Theoretical Performance
Pixel Rate
23.20 GPixel/s
26.56 GPixel/s
Texture Rate
58.00 GTexel/s
79.68 GTexel/s
FP32 (float)
1.856 TFLOPS
2.550 TFLOPS
FP64 (double)
464.0 GFLOPS
637.4 GFLOPS
Graphics Processor
GPU Name
Cayman
Antilles
GPU Variant
Cayman PRO GL
Antilles XT(215-0807027)
Architecture
TeraScale 3
TeraScale 3
Foundry
TSMC
TSMC
Process Size
40 nm
40 nm
Transistors
2.64 billion
2.64 billion
Die Size
389 mm²
389 mm²
Board Design
TDP
150W
375W
Suggested PSU
450 W
750 W
Outputs
4x SDI
1x DVI4x mini-DisplayPort 1.2
Power Connectors
1x 6-pin
2x 8-pin
Graphics Features
DirectX
11.2 (11_0)
11.2 (11_0)
OpenGL
4.4
4.4
OpenCL
1.2
1.2
Vulkan
N/A
N/A
Shader Model
5.0
5.0