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GPU Comparison
NVIDIA GeForce 8400M G vs NVIDIA GeForce RTX 4090 Mobile
NVIDIA GeForce 8400M G vs NVIDIA GeForce RTX 4090 Mobile
VS
NVIDIA GeForce 8400M G
NVIDIA GeForce RTX 4090 Mobile
We compared two Mobile platform GPUs: 256MB VRAM GeForce 8400M G and 16GB VRAM GeForce RTX 4090 Mobile to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
NVIDIA GeForce 8400M G 's Advantages
Lower TDP (10W vs 120W)
NVIDIA GeForce RTX 4090 Mobile 's Advantages
Released 15 years and 8 months late
Boost Clock1695MHz
Larger VRAM bandwidth (576.0GB/s vs 6.400GB/s)
9720 additional rendering cores
Score
Benchmark
FP32 (float)
GeForce 8400M G
0.013 TFLOPS
GeForce RTX 4090 Mobile
+253592%
32.98 TFLOPS
GeForce 8400M G
VS
GeForce RTX 4090 Mobile
Graphics Card
May 2007
Release Date
Jan 2023
GeForce 8M
Generation
GeForce 40 Mobile
Mobile
Type
Mobile
PCIe 1.0 x16
Bus Interface
PCIe 4.0 x16
Clock Speeds
-
Base Clock
1335 MHz
-
Boost Clock
1695 MHz
400 MHz
Memory Clock
2250 MHz
Memory
256MB
Memory Size
16GB
GDDR3
Memory Type
GDDR6
64bit
Memory Bus
256bit
6.400GB/s
Bandwidth
576.0GB/s
Render Config
1
SM Count
76
-
Compute Units
-
8
Shading Units
9728
8
TMUs
304
4
ROPs
112
-
Tensor Cores
304
-
RT Cores
76
-
L1 Cache
128 KB (per SM)
16 KB
L2 Cache
64 MB
Theoretical Performance
1.600 GPixel/s
Pixel Rate
189.8 GPixel/s
3.200 GTexel/s
Texture Rate
515.3 GTexel/s
-
FP16 (half)
32.98 TFLOPS
12.80 GFLOPS
FP32 (float)
32.98 TFLOPS
-
FP64 (double)
515.3 GFLOPS
Graphics Processor
G86
GPU Name
AD103
NB8M-SE
GPU Variant
GN21-X11
Tesla
Architecture
Ada Lovelace
TSMC
Foundry
TSMC
80 nm
Process Size
4 nm
0.21 billion
Transistors
45.9 billion
127 mm²
Die Size
379 mm²
Board Design
10W
TDP
120W
-
Suggested PSU
-
No outputs
Outputs
Portable Device Dependent
None
Power Connectors
None
Graphics Features
11.1 (10_0)
DirectX
12 Ultimate (12_2)
3.3
OpenGL
4.6
1.1
OpenCL
3.0
N/A
Vulkan
1.3
1.1
CUDA
8.9
4.0
Shader Model
6.7
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