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GPU Comparison
NVIDIA GeForce RTX 4070 Mobile vs NVIDIA GeForce 8400M G
NVIDIA GeForce RTX 4070 Mobile vs NVIDIA GeForce 8400M G
VS
NVIDIA GeForce RTX 4070 Mobile
NVIDIA GeForce 8400M G
We compared two Mobile platform GPUs: 8GB VRAM GeForce RTX 4070 Mobile and 256MB VRAM GeForce 8400M G to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
NVIDIA GeForce RTX 4070 Mobile 's Advantages
Released 15 years and 8 months late
Boost Clock1695MHz
Larger VRAM bandwidth (256.0GB/s vs 6.400GB/s)
4600 additional rendering cores
NVIDIA GeForce 8400M G 's Advantages
Lower TDP (10W vs 115W)
Score
Benchmark
FP32 (float)
GeForce RTX 4070 Mobile
+120053%
15.62 TFLOPS
GeForce 8400M G
0.013 TFLOPS
GeForce RTX 4070 Mobile
VS
GeForce 8400M G
Graphics Card
Jan 2023
Release Date
May 2007
GeForce 40 Mobile
Generation
GeForce 8M
Mobile
Type
Mobile
PCIe 4.0 x16
Bus Interface
PCIe 1.0 x16
Clock Speeds
1395 MHz
Base Clock
-
1695 MHz
Boost Clock
-
2000 MHz
Memory Clock
400 MHz
Memory
8GB
Memory Size
256MB
GDDR6
Memory Type
GDDR3
128bit
Memory Bus
64bit
256.0GB/s
Bandwidth
6.400GB/s
Render Config
36
SM Count
1
-
Compute Units
-
4608
Shading Units
8
144
TMUs
8
48
ROPs
4
144
Tensor Cores
-
36
RT Cores
-
128 KB (per SM)
L1 Cache
-
32 MB
L2 Cache
16 KB
Theoretical Performance
81.36 GPixel/s
Pixel Rate
1.600 GPixel/s
244.1 GTexel/s
Texture Rate
3.200 GTexel/s
15.62 TFLOPS
FP16 (half)
-
15.62 TFLOPS
FP32 (float)
12.80 GFLOPS
244.1 GFLOPS
FP64 (double)
-
Graphics Processor
AD106
GPU Name
G86
GN21-X6
GPU Variant
NB8M-SE
Ada Lovelace
Architecture
Tesla
TSMC
Foundry
TSMC
4 nm
Process Size
80 nm
Unknown
Transistors
0.21 billion
190 mm²
Die Size
127 mm²
Board Design
115W
TDP
10W
-
Suggested PSU
-
Portable Device Dependent
Outputs
No outputs
None
Power Connectors
None
Graphics Features
12 Ultimate (12_2)
DirectX
11.1 (10_0)
4.6
OpenGL
3.3
3.0
OpenCL
1.1
1.3
Vulkan
N/A
8.9
CUDA
1.1
6.7
Shader Model
4.0
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