GeForce RTX 4070 Mobile vs GeForce 940M
We compared two Mobile platform GPUs: 8GB VRAM GeForce RTX 4070 Mobile and 2GB VRAM GeForce 940M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
GeForce RTX 4070 Mobile 's Advantages
Released 7 years and 10 months late
Boost Clock has increased by 54% (1695MHz vs 1098MHz)
More VRAM (8GB vs 2GB)
Larger VRAM bandwidth (256.0GB/s vs 14.40GB/s)
4096 additional rendering cores
GeForce 940M 's Advantages
Lower TDP (75W vs 115W)
Score
Benchmark
FP32 (float)
GeForce RTX 4070 Mobile
+1289%
15620
GeForce 940M
1124
3DMark Time Spy
GeForce RTX 4070 Mobile
+2365%
12501
GeForce 940M
507
3DMark Time Spy Extreme
GeForce RTX 4070 Mobile
+4649%
5699
GeForce 940M
120
Graphics Card
Jan 2023
Release Date
Mar 2015
GeForce 40 Mobile
Generation
GeForce 900M
Mobile
Type
Mobile
PCIe 4.0 x8
Bus Interface
MXM-B (3.0)
Clock Speeds
1395 MHz
Base Clock
1020 MHz
1695 MHz
Boost Clock
1098 MHz
2000 MHz
Memory Clock
900 MHz
Memory
8GB
Memory Size
2GB
GDDR6
Memory Type
DDR3
128bit
Memory Bus
64bit
256.0GB/s
Bandwidth
14.40GB/s
Render Config
36
SM Count
-
4608
Shading Units
512
144
TMUs
32
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
81.36 GPixel/s
Pixel Rate
17.57 GPixel/s
244.1 GTexel/s
Texture Rate
35.14 GTexel/s
15.62 TFLOPS
FP16 (half)
-
15.62 TFLOPS
FP32 (float)
1124 GFLOPS
244.1 GFLOPS
FP64 (double)
35.14 GFLOPS
Board Design
115W
TDP
75W
Portable Device Dependent
Outputs
No outputs
None
Power Connectors
-
Graphics Processor
AD106
GPU Name
GM107
GN21-X6
GPU Variant
N16S-GT1-KB-B
Ada Lovelace
Architecture
Maxwell
TSMC
Foundry
TSMC
5 nm
Process Size
28 nm
22.9 billion
Transistors
1.87 billion
188 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
1.3
Vulkan
1.3
8.9
CUDA
5.0
6.8
Shader Model
5.1
