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GPU Comparison
AMD Radeon HD 7950 Boost vs NVIDIA GeForce 8400 GS Rev. 3
AMD Radeon HD 7950 Boost vs NVIDIA GeForce 8400 GS Rev. 3
VS
AMD Radeon HD 7950 Boost
NVIDIA GeForce 8400 GS Rev. 3
We compared two Desktop platform GPUs: 3GB VRAM Radeon HD 7950 Boost and 512MB VRAM GeForce 8400 GS Rev. 3 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
AMD Radeon HD 7950 Boost 's Advantages
Released 1 years and 11 months late
Boost Clock925MHz
Larger VRAM bandwidth (240.0GB/s vs 6.400GB/s)
1784 additional rendering cores
NVIDIA GeForce 8400 GS Rev. 3 's Advantages
Lower TDP (25W vs 200W)
Score
Benchmark
FP32 (float)
Radeon HD 7950 Boost
+16475%
3.315 TFLOPS
GeForce 8400 GS Rev. 3
0.02 TFLOPS
Radeon HD 7950 Boost
VS
GeForce 8400 GS Rev. 3
Graphics Card
Jun 2012
Release Date
Jul 2010
Southern Islands
Generation
GeForce 8
Desktop
Type
Desktop
PCIe 3.0 x16
Bus Interface
PCIe 2.0 x16
Clock Speeds
850 MHz
Base Clock
-
925 MHz
Boost Clock
-
1250 MHz
Memory Clock
400 MHz
Memory
3GB
Memory Size
512MB
GDDR5
Memory Type
DDR2
384bit
Memory Bus
64bit
240.0GB/s
Bandwidth
6.400GB/s
Render Config
-
SM Count
1
28
Compute Units
-
1792
Shading Units
8
112
TMUs
4
32
ROPs
4
-
Tensor Cores
-
-
RT Cores
-
16 KB (per CU)
L1 Cache
-
768 KB
L2 Cache
32 KB
Theoretical Performance
29.60 GPixel/s
Pixel Rate
2.080 GPixel/s
103.6 GTexel/s
Texture Rate
2.080 GTexel/s
-
FP16 (half)
-
3.315 TFLOPS
FP32 (float)
19.68 GFLOPS
828.8 GFLOPS
FP64 (double)
-
Graphics Processor
Tahiti
GPU Name
GT218
Tahiti PRO2 (215-0821282)
GPU Variant
8400GS-225-B1
GCN 1.0
Architecture
Tesla 2.0
TSMC
Foundry
TSMC
28 nm
Process Size
40 nm
4.313 billion
Transistors
0.26 billion
352 mm²
Die Size
57 mm²
Board Design
200W
TDP
25W
550 W
Suggested PSU
200 W
1x DVI 1x HDMI 1.4a 2x mini-DisplayPort 1.2
Outputs
1x DVI 1x VGA 1x S-Video
2x 6-pin
Power Connectors
None
Graphics Features
12 (11_1)
DirectX
11.1 (10_1)
4.6
OpenGL
3.3
1.2
OpenCL
1.1
1.2
Vulkan
N/A
-
CUDA
1.2
5.1
Shader Model
4.1
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