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GPU Comparison
NVIDIA GeForce 8400 GS Rev. 3 vs AMD Radeon R9 255 OEM
NVIDIA GeForce 8400 GS Rev. 3 vs AMD Radeon R9 255 OEM
VS
NVIDIA GeForce 8400 GS Rev. 3
AMD Radeon R9 255 OEM
We compared two Desktop platform GPUs: 512MB VRAM GeForce 8400 GS Rev. 3 and 2GB VRAM Radeon R9 255 OEM to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
NVIDIA GeForce 8400 GS Rev. 3 's Advantages
Lower TDP (25W vs 65W)
AMD Radeon R9 255 OEM 's Advantages
Released 3 years and 5 months late
Boost Clock930MHz
Larger VRAM bandwidth (73.60GB/s vs 6.400GB/s)
504 additional rendering cores
Score
Benchmark
FP32 (float)
GeForce 8400 GS Rev. 3
0.02 TFLOPS
Radeon R9 255 OEM
+4660%
0.952 TFLOPS
GeForce 8400 GS Rev. 3
VS
Radeon R9 255 OEM
Graphics Card
Jul 2010
Release Date
Dec 2013
GeForce 8
Generation
Volcanic Islands
Desktop
Type
Desktop
PCIe 2.0 x16
Bus Interface
PCIe 3.0 x16
Clock Speeds
-
Base Clock
900 MHz
-
Boost Clock
930 MHz
400 MHz
Memory Clock
1150 MHz
Memory
512MB
Memory Size
2GB
DDR2
Memory Type
GDDR5
64bit
Memory Bus
128bit
6.400GB/s
Bandwidth
73.60GB/s
Render Config
1
SM Count
-
-
Compute Units
8
8
Shading Units
512
4
TMUs
32
4
ROPs
16
-
Tensor Cores
-
-
RT Cores
-
-
L1 Cache
16 KB (per CU)
32 KB
L2 Cache
256 KB
Theoretical Performance
2.080 GPixel/s
Pixel Rate
14.88 GPixel/s
2.080 GTexel/s
Texture Rate
29.76 GTexel/s
-
FP16 (half)
-
19.68 GFLOPS
FP32 (float)
952.3 GFLOPS
-
FP64 (double)
59.52 GFLOPS
Graphics Processor
GT218
GPU Name
Cape Verde
8400GS-225-B1
GPU Variant
Cape Verde PRX
Tesla 2.0
Architecture
GCN 1.0
TSMC
Foundry
TSMC
40 nm
Process Size
28 nm
0.26 billion
Transistors
1.5 billion
57 mm²
Die Size
123 mm²
Board Design
25W
TDP
65W
200 W
Suggested PSU
250 W
1x DVI 1x VGA 1x S-Video
Outputs
No outputs
None
Power Connectors
1x 6-pin
Graphics Features
11.1 (10_1)
DirectX
12 (11_1)
3.3
OpenGL
4.6
1.1
OpenCL
1.2
N/A
Vulkan
1.2
1.2
CUDA
-
4.1
Shader Model
5.1
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