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GPU Comparison
NVIDIA GeForce 8400 GS Rev. 3 vs AMD Radeon R9 390 X2
NVIDIA GeForce 8400 GS Rev. 3 vs AMD Radeon R9 390 X2
VS
NVIDIA GeForce 8400 GS Rev. 3
AMD Radeon R9 390 X2
We compared two Desktop platform GPUs: 512MB VRAM GeForce 8400 GS Rev. 3 and 8GB VRAM Radeon R9 390 X2 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 580W)
AMD Radeon R9 390 X2 's Advantages
Released 5 years and 2 months late
Larger VRAM bandwidth (345.6GB/s vs 6.400GB/s)
2552 additional rendering cores
Score
Benchmark
FP32 (float)
GeForce 8400 GS Rev. 3
0.02 TFLOPS
Radeon R9 390 X2
+25500%
5.12 TFLOPS
GeForce 8400 GS Rev. 3
VS
Radeon R9 390 X2
Graphics Card
Jul 2010
Release Date
Sep 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
1350 MHz
Memory
512MB
Memory Size
8GB
DDR2
Memory Type
GDDR5
64bit
Memory Bus
512bit
6.400GB/s
Bandwidth
345.6GB/s
Render Config
1
SM Count
-
-
Compute Units
40
8
Shading Units
2560
4
TMUs
160
4
ROPs
64
-
Tensor Cores
-
-
RT Cores
-
-
L1 Cache
16 KB (per CU)
32 KB
L2 Cache
1024 KB
Theoretical Performance
2.080 GPixel/s
Pixel Rate
64.00 GPixel/s
2.080 GTexel/s
Texture Rate
160.0 GTexel/s
-
FP16 (half)
-
19.68 GFLOPS
FP32 (float)
5.120 TFLOPS
-
FP64 (double)
640.0 GFLOPS
Graphics Processor
GT218
GPU Name
Grenada
8400GS-225-B1
GPU Variant
Grenada PRO (215-0880030)
Tesla 2.0
Architecture
GCN 2.0
TSMC
Foundry
TSMC
40 nm
Process Size
28 nm
0.26 billion
Transistors
6.2 billion
57 mm²
Die Size
438 mm²
Board Design
25W
TDP
580W
200 W
Suggested PSU
950 W
1x DVI 1x VGA 1x S-Video
Outputs
2x DVI 1x HDMI 1.4a 1x DisplayPort 1.2
None
Power Connectors
4x 8-pin
Graphics Features
11.1 (10_1)
DirectX
12 (12_0)
3.3
OpenGL
4.6
1.1
OpenCL
2.0
N/A
Vulkan
1.2
1.2
CUDA
-
4.1
Shader Model
6.3
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