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GPU Comparison
NVIDIA GeForce 8400 GS Rev. 2 vs ATI FirePro V7770
NVIDIA GeForce 8400 GS Rev. 2 vs ATI FirePro V7770
VS
NVIDIA GeForce 8400 GS Rev. 2
ATI FirePro V7770
We compared two Desktop platform GPUs: 512MB VRAM GeForce 8400 GS Rev. 2 and 1024MB VRAM FirePro V7770 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
NVIDIA GeForce 8400 GS Rev. 2 's Advantages
Lower TDP (25W vs 76W)
ATI FirePro V7770 's Advantages
Released 4 years and 1 months late
More VRAM (1024GB vs 512GB)
Larger VRAM bandwidth (33.60GB/s vs 6.400GB/s)
792 additional rendering cores
Score
Benchmark
FP32 (float)
GeForce 8400 GS Rev. 2
0.022 TFLOPS
FirePro V7770
+4445%
1 TFLOPS
GeForce 8400 GS Rev. 2
VS
FirePro V7770
Graphics Card
Dec 2007
Release Date
Jan 2012
GeForce 8
Generation
FirePro
Desktop
Type
Desktop
PCIe 2.0 x16
Bus Interface
PCIe 2.0 x16
Clock Speeds
-
Base Clock
-
-
Boost Clock
-
400 MHz
Memory Clock
1050 MHz
Memory
512MB
Memory Size
1024MB
DDR2
Memory Type
GDDR4
64bit
Memory Bus
128bit
6.400GB/s
Bandwidth
33.60GB/s
Render Config
1
SM Count
-
-
Compute Units
10
8
Shading Units
800
4
TMUs
40
4
ROPs
8
-
Tensor Cores
-
-
RT Cores
-
-
L1 Cache
16 KB (per CU)
16 KB
L2 Cache
128 KB
Theoretical Performance
2.268 GPixel/s
Pixel Rate
5.000 GPixel/s
2.268 GTexel/s
Texture Rate
25.00 GTexel/s
-
FP16 (half)
-
22.40 GFLOPS
FP32 (float)
1000 GFLOPS
-
FP64 (double)
-
Graphics Processor
G98
GPU Name
RV770
-
GPU Variant
RV770 XT (215-0669049)
Tesla
Architecture
TeraScale
TSMC
Foundry
TSMC
65 nm
Process Size
55 nm
0.21 billion
Transistors
0.956 billion
86 mm²
Die Size
256 mm²
Board Design
25W
TDP
76W
200 W
Suggested PSU
250 W
1x DVI 1x VGA 1x S-Video
Outputs
1x DVI
None
Power Connectors
1x 6-pin
Graphics Features
11.1 (10_0)
DirectX
10.1 (10_1)
3.3
OpenGL
3.3
1.1
OpenCL
1.1
N/A
Vulkan
N/A
1.1
CUDA
-
4.0
Shader Model
4.1
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