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GPU Comparison
AMD Radeon HD 7970 X2 vs ATI FirePro V7900 SDI
AMD Radeon HD 7970 X2 vs ATI FirePro V7900 SDI
VS
AMD Radeon HD 7970 X2
ATI FirePro V7900 SDI
We compared two Desktop platform GPUs: 3GB VRAM Radeon HD 7970 X2 and 2GB VRAM FirePro V7900 SDI to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
AMD Radeon HD 7970 X2 's Advantages
Released 1 years and 3 months late
More VRAM (3GB vs 2GB)
Larger VRAM bandwidth (264.0GB/s vs 160.0GB/s)
768 additional rendering cores
ATI FirePro V7900 SDI 's Advantages
Lower TDP (150W vs 500W)
Score
Benchmark
FP32 (float)
Radeon HD 7970 X2
+104%
3.789 TFLOPS
FirePro V7900 SDI
1.856 TFLOPS
Radeon HD 7970 X2
VS
FirePro V7900 SDI
Graphics Card
Aug 2012
Release Date
May 2011
Southern Islands
Generation
FirePro
Desktop
Type
Desktop
PCIe 3.0 x16
Bus Interface
PCIe 2.0 x16
Clock Speeds
-
-
-
-
-
-
1375 MHz
Memory Clock
1250 MHz
Memory
3GB
Memory Size
2GB
GDDR5
Memory Type
GDDR5
384bit
Memory Bus
256bit
264.0GB/s
Bandwidth
160.0GB/s
Render Config
32
Compute Units
20
-
-
-
2048
Shading Units
1280
128
TMUs
80
32
ROPs
32
-
-
-
-
-
-
16 KB (per CU)
L1 Cache
8 KB (per CU)
768 KB
L2 Cache
512 KB
-
-
-
Theoretical Performance
29.60 GPixel/s
Pixel Rate
23.20 GPixel/s
118.4 GTexel/s
Texture Rate
58.00 GTexel/s
-
-
-
3.789 TFLOPS
FP32 (float)
1.856 TFLOPS
947.2 GFLOPS
FP64 (double)
464.0 GFLOPS
Board Design
500W
TDP
150W
900 W
Suggested PSU
450 W
2x DVI 1x HDMI 1.4a 2x mini-DisplayPort 1.2
Outputs
4x SDI
3x 8-pin
Power Connectors
1x 6-pin
Graphics Processor
New Zealand
GPU Name
Cayman
-
GPU Variant
Cayman PRO GL
GCN 1.0
Architecture
TeraScale 3
TSMC
Foundry
TSMC
28 nm
Process Size
40 nm
4.313 billion
Transistors
2.64 billion
352 mm²
Die Size
389 mm²
Graphics Features
12 (11_1)
DirectX
11.2 (11_0)
4.6
OpenGL
4.4
1.2
OpenCL
1.2
1.2
Vulkan
N/A
-
-
-
5.1
Shader Model
5.0
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