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GPU Comparison
NVIDIA GeForce 8400 GS Rev. 2 vs AMD Radeon R9 390X
NVIDIA GeForce 8400 GS Rev. 2 vs AMD Radeon R9 390X
VS
NVIDIA GeForce 8400 GS Rev. 2
AMD Radeon R9 390X
We compared two Desktop platform GPUs: 512MB VRAM GeForce 8400 GS Rev. 2 and 8GB VRAM Radeon R9 390X 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 275W)
AMD Radeon R9 390X 's Advantages
Released 7 years and 6 months late
Larger VRAM bandwidth (384.0GB/s vs 6.400GB/s)
2808 additional rendering cores
Score
Benchmark
FP32 (float)
GeForce 8400 GS Rev. 2
0.022 TFLOPS
Radeon R9 390X
+26781%
5.914 TFLOPS
GeForce 8400 GS Rev. 2
VS
Radeon R9 390X
Graphics Card
Dec 2007
Release Date
Jun 2015
GeForce 8
Generation
Pirate Islands
Desktop
Type
Desktop
PCIe 2.0 x16
Bus Interface
PCIe 3.0 x16
Clock Speeds
-
Base Clock
-
-
Boost Clock
-
400 MHz
Memory Clock
1500 MHz
Memory
512MB
Memory Size
8GB
DDR2
Memory Type
GDDR5
64bit
Memory Bus
512bit
6.400GB/s
Bandwidth
384.0GB/s
Render Config
1
SM Count
-
-
Compute Units
44
8
Shading Units
2816
4
TMUs
176
4
ROPs
64
-
Tensor Cores
-
-
RT Cores
-
-
L1 Cache
16 KB (per CU)
16 KB
L2 Cache
1024 KB
Theoretical Performance
2.268 GPixel/s
Pixel Rate
67.20 GPixel/s
2.268 GTexel/s
Texture Rate
184.8 GTexel/s
-
FP16 (half)
-
22.40 GFLOPS
FP32 (float)
5.914 TFLOPS
-
FP64 (double)
739.2 GFLOPS
Graphics Processor
G98
GPU Name
Grenada
-
GPU Variant
Grenada XT (215-0880004)
Tesla
Architecture
GCN 2.0
TSMC
Foundry
TSMC
65 nm
Process Size
28 nm
0.21 billion
Transistors
6.2 billion
86 mm²
Die Size
438 mm²
Board Design
25W
TDP
275W
200 W
Suggested PSU
600 W
1x DVI 1x VGA 1x S-Video
Outputs
2x DVI 1x HDMI 1.4a 1x DisplayPort 1.2
None
Power Connectors
1x 6-pin + 1x 8-pin
Graphics Features
11.1 (10_0)
DirectX
12 (12_0)
3.3
OpenGL
4.6
1.1
OpenCL
2.0
N/A
Vulkan
1.2
1.1
CUDA
-
4.0
Shader Model
6.3
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9
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