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GPU Comparison
AMD Radeon RX 7900M vs NVIDIA GeForce 8400M GT
AMD Radeon RX 7900M vs NVIDIA GeForce 8400M GT
VS
AMD Radeon RX 7900M
NVIDIA GeForce 8400M GT
We compared two Mobile platform GPUs: 16GB VRAM Radeon RX 7900M and 512MB VRAM GeForce 8400M GT to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
AMD Radeon RX 7900M 's Advantages
Released 16 years and 5 months late
Boost Clock2090MHz
Larger VRAM bandwidth (576.0GB/s vs 19.20GB/s)
4592 additional rendering cores
NVIDIA GeForce 8400M GT 's Advantages
Lower TDP (14W vs 180W)
Score
Benchmark
FP32 (float)
Radeon RX 7900M
+132727%
38.52 TFLOPS
GeForce 8400M GT
0.029 TFLOPS
Radeon RX 7900M
VS
GeForce 8400M GT
Graphics Card
Oct 2023
Release Date
May 2007
Navi Mobile
Generation
GeForce 8M
Mobile
Type
Mobile
PCIe 4.0 x16
Bus Interface
PCIe 1.0 x16
Clock Speeds
1825 MHz
Base Clock
-
2090 MHz
Boost Clock
-
2250 MHz
Memory Clock
600 MHz
Memory
16GB
Memory Size
512MB
GDDR6
Memory Type
GDDR3
256bit
Memory Bus
128bit
576.0GB/s
Bandwidth
19.20GB/s
Render Config
-
SM Count
2
72
Compute Units
-
4608
Shading Units
16
288
TMUs
8
192
ROPs
4
-
Tensor Cores
-
72
RT Cores
-
256 KB per Array
L1 Cache
-
6 MB
L2 Cache
32 KB
Theoretical Performance
401.3 GPixel/s
Pixel Rate
1.800 GPixel/s
601.9 GTexel/s
Texture Rate
3.600 GTexel/s
77.05 TFLOPS
FP16 (half)
-
38.52 TFLOPS
FP32 (float)
28.80 GFLOPS
1204 GFLOPS
FP64 (double)
-
Graphics Processor
Navi 31
GPU Name
G86
Navi 31
GPU Variant
G86-603-A2
RDNA 3.0
Architecture
Tesla
TSMC
Foundry
TSMC
5 nm
Process Size
80 nm
57.7 billion
Transistors
0.21 billion
529 mm²
Die Size
127 mm²
Board Design
180W
TDP
14W
-
Suggested PSU
-
Portable Device Dependent
Outputs
No outputs
None
Power Connectors
-
Graphics Features
12 Ultimate (12_2)
DirectX
11.1 (10_0)
4.6
OpenGL
3.3
2.2
OpenCL
1.1
1.3
Vulkan
N/A
-
CUDA
1.1
6.7
Shader Model
4.0
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