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GPU Comparison
ATI FirePro V7900 vs NVIDIA GeForce 8400 GS
ATI FirePro V7900 vs NVIDIA GeForce 8400 GS
VS
ATI FirePro V7900
NVIDIA GeForce 8400 GS
We compared two Desktop platform GPUs: 2GB VRAM FirePro V7900 and 256MB VRAM GeForce 8400 GS to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
ATI FirePro V7900 's Advantages
Released 4 years and 1 months late
Larger VRAM bandwidth (160.0GB/s vs 6.400GB/s)
1264 additional rendering cores
NVIDIA GeForce 8400 GS 's Advantages
Lower TDP (40W vs 150W)
Score
Benchmark
FP32 (float)
FirePro V7900
+6300%
1.856 TFLOPS
GeForce 8400 GS
0.029 TFLOPS
FirePro V7900
VS
GeForce 8400 GS
Graphics Card
May 2011
Release Date
Apr 2007
FirePro
Generation
GeForce 8
Desktop
Type
Desktop
PCIe 2.0 x16
Bus Interface
PCIe 1.0 x16
Clock Speeds
-
Base Clock
-
-
Boost Clock
-
1250 MHz
Memory Clock
400 MHz
Memory
2GB
Memory Size
256MB
GDDR5
Memory Type
DDR2
256bit
Memory Bus
64bit
160.0GB/s
Bandwidth
6.400GB/s
Render Config
-
SM Count
2
20
Compute Units
-
1280
Shading Units
16
80
TMUs
8
32
ROPs
4
-
Tensor Cores
-
-
RT Cores
-
8 KB (per CU)
L1 Cache
-
512 KB
L2 Cache
16 KB
Theoretical Performance
23.20 GPixel/s
Pixel Rate
1.836 GPixel/s
58.00 GTexel/s
Texture Rate
3.672 GTexel/s
-
FP16 (half)
-
1.856 TFLOPS
FP32 (float)
29.38 GFLOPS
464.0 GFLOPS
FP64 (double)
-
Graphics Processor
Cayman
GPU Name
G86
Cayman PRO GL
GPU Variant
G86-213-A2
TeraScale 3
Architecture
Tesla
TSMC
Foundry
TSMC
40 nm
Process Size
80 nm
2.64 billion
Transistors
0.21 billion
389 mm²
Die Size
127 mm²
Board Design
150W
TDP
40W
450 W
Suggested PSU
200 W
4x DisplayPort 1.2
Outputs
1x DVI 1x VGA 1x S-Video
1x 6-pin
Power Connectors
None
Graphics Features
11.2 (11_0)
DirectX
11.1 (10_0)
4.4
OpenGL
3.3
1.2
OpenCL
1.1
N/A
Vulkan
N/A
-
CUDA
1.1
5.0
Shader Model
4.0
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