NVIDIA GeForce RTX 5070 Ti Mobile vs NVIDIA GeForce 8400M GS
We compared two Mobile platform GPUs: 12GB VRAM GeForce RTX 5070 Ti Mobile and 256MB VRAM GeForce 8400M GS to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
NVIDIA GeForce RTX 5070 Ti Mobile 's Advantages
Released 17 years and 10 months late
Boost Clock1447MHz
More VRAM (12GB vs 256GB)
Larger VRAM bandwidth (672.0GB/s vs 6.400GB/s)
5872 additional rendering cores
NVIDIA GeForce 8400M GS 's Advantages
Lower TDP (11W vs 60W)
Score
Benchmark
FP32 (float)
GeForce RTX 5070 Ti Mobile
+65438%
17.04 TFLOPS
GeForce 8400M GS
0.026 TFLOPS
Graphics Card
Mar 2025
Release Date
May 2007
GeForce 50 Mobile
Generation
GeForce 8M
Mobile
Type
Mobile
PCIe 5.0 x16
Bus Interface
MXM-I
Clock Speeds
847 MHz
Base Clock
-
1447 MHz
Boost Clock
-
1750 MHz
Memory Clock
400 MHz
Memory
12GB
Memory Size
256MB
GDDR7
Memory Type
DDR2
192bit
Memory Bus
64bit
672.0GB/s
Bandwidth
6.400GB/s
Render Config
-
-
-
46
SM Count
2
5888
Shading Units
16
184
TMUs
8
80
ROPs
4
184
Tensor Cores
-
46
RT Cores
-
128 KB (per SM)
L1 Cache
-
48 MB
L2 Cache
16 KB
-
-
-
Theoretical Performance
115.8 GPixel/s
Pixel Rate
1.600 GPixel/s
266.2 GTexel/s
Texture Rate
3.200 GTexel/s
17.04 TFLOPS
FP16 (half)
-
17.04 TFLOPS
FP32 (float)
25.60 GFLOPS
266.2 GFLOPS
FP64 (double)
-
Board Design
60W
TDP
11W
250 W
Suggested PSU
-
Portable Device Dependent
Outputs
No outputs
None
Power Connectors
-
Graphics Processor
GB205
GPU Name
G86
GB205
GPU Variant
NB8M-GS
Blackwell 2.0
Architecture
Tesla
TSMC
Foundry
TSMC
5 nm
Process Size
80 nm
31.1 billion
Transistors
0.21 billion
263 mm²
Die Size
127 mm²
Graphics Features
12 Ultimate (12_2)
DirectX
11.1 (10_0)
4.6
OpenGL
3.3
3.0
OpenCL
1.1
1.4
Vulkan
N/A
12.0
CUDA
1.1
6.8
Shader Model
4.0
