NVIDIA GeForce RTX 5070 Mobile vs NVIDIA GeForce GTX 850M
We compared two Mobile platform GPUs: 8GB VRAM GeForce RTX 5070 Mobile and 2GB VRAM GeForce GTX 850M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
NVIDIA GeForce RTX 5070 Mobile 's Advantages
Released 11 years and 1 months late
Boost Clock1425MHz
More VRAM (8GB vs 2GB)
Larger VRAM bandwidth (384.0GB/s vs 32.03GB/s)
3968 additional rendering cores
NVIDIA GeForce GTX 850M 's Advantages
Lower TDP (45W vs 50W)
Score
Benchmark
FP32 (float)
GeForce RTX 5070 Mobile
+1036%
13.13 TFLOPS
GeForce GTX 850M
1.155 TFLOPS
Graphics Card
Apr 2025
Release Date
Mar 2014
GeForce 50 Mobile
Generation
GeForce 800M
Mobile
Type
Mobile
PCIe 5.0 x16
Bus Interface
PCIe 3.0 x16
Clock Speeds
907 MHz
Base Clock
-
1425 MHz
Boost Clock
-
1500 MHz
Memory Clock
1001 MHz
Memory
8GB
Memory Size
2GB
GDDR7
Memory Type
DDR3
128bit
Memory Bus
128bit
384.0GB/s
Bandwidth
32.03GB/s
Render Config
-
-
-
36
SM Count
-
4608
Shading Units
640
144
TMUs
40
48
ROPs
16
144
Tensor Cores
-
36
RT Cores
-
128 KB (per SM)
L1 Cache
64 KB (per SMM)
32 MB
L2 Cache
2 MB
-
-
-
Theoretical Performance
68.40 GPixel/s
Pixel Rate
14.43 GPixel/s
205.2 GTexel/s
Texture Rate
36.08 GTexel/s
13.13 TFLOPS
FP16 (half)
-
13.13 TFLOPS
FP32 (float)
1155 GFLOPS
205.2 GFLOPS
FP64 (double)
36.08 GFLOPS
Board Design
50W
TDP
45W
300 W
Suggested PSU
-
Portable Device Dependent
Outputs
No outputs
None
Power Connectors
-
Graphics Processor
GB206
GPU Name
GM107
GB206
GPU Variant
N15P-GT-A1
Blackwell 2.0
Architecture
Maxwell
TSMC
Foundry
TSMC
5 nm
Process Size
28 nm
21.9 billion
Transistors
1.87 billion
181 mm²
Die Size
148 mm²
Graphics Features
12 Ultimate (12_2)
DirectX
12 (11_0)
4.6
OpenGL
4.6
3.0
OpenCL
3.0
1.4
Vulkan
1.3
12.0
CUDA
5.0
6.8
Shader Model
5.1
