NVIDIA GeForce RTX 4080 Mobile vs NVIDIA GeForce 940MX
We compared two Mobile platform GPUs: 12GB VRAM GeForce RTX 4080 Mobile and 2GB VRAM GeForce 940MX to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
NVIDIA GeForce RTX 4080 Mobile 's Advantages
Released 7 years late
Boost Clock has increased by 34% (1665MHz vs 1242MHz)
More VRAM (12GB vs 2GB)
Larger VRAM bandwidth (432.0GB/s vs 16.02GB/s)
7040 additional rendering cores
NVIDIA GeForce 940MX 's Advantages
Lower TDP (23W vs 110W)
Score
Benchmark
FP32 (float)
GeForce RTX 4080 Mobile
+2491%
24.72 TFLOPS
GeForce 940MX
0.954 TFLOPS
3DMark Time Spy
GeForce RTX 4080 Mobile
+3159%
18875
GeForce 940MX
579
3DMark Time Spy Extreme
GeForce RTX 4080 Mobile
+6756%
9051
GeForce 940MX
132
Blender
GeForce RTX 4080 Mobile
+8023%
5849
GeForce 940MX
72
OctaneBench
GeForce RTX 4080 Mobile
+14200%
572
GeForce 940MX
4
Graphics Card
Jan 2023
Release Date
Jan 2016
GeForce 40 Mobile
Generation
GeForce 900M
Mobile
Type
Mobile
PCIe 4.0 x16
Bus Interface
PCIe 3.0 x8
Clock Speeds
1290 MHz
Base Clock
1004 MHz
1665 MHz
Boost Clock
1242 MHz
2250 MHz
Memory Clock
1001 MHz
Memory
12GB
Memory Size
2GB
GDDR6
Memory Type
DDR3
192bit
Memory Bus
64bit
432.0GB/s
Bandwidth
16.02GB/s
Render Config
-
-
-
58
SM Count
-
7424
Shading Units
384
232
TMUs
24
80
ROPs
8
232
Tensor Cores
-
58
RT Cores
-
128 KB (per SM)
L1 Cache
64 KB (per SMM)
48 MB
L2 Cache
1024 KB
-
-
-
Theoretical Performance
133.2 GPixel/s
Pixel Rate
9.936 GPixel/s
386.3 GTexel/s
Texture Rate
29.81 GTexel/s
24.72 TFLOPS
FP16 (half)
-
24.72 TFLOPS
FP32 (float)
953.9 GFLOPS
386.3 GFLOPS
FP64 (double)
29.81 GFLOPS
Board Design
110W
TDP
23W
-
-
-
Portable Device Dependent
Outputs
No outputs
None
Power Connectors
None
Graphics Processor
AD104
GPU Name
GM108
GN21-X9
GPU Variant
N16S-GTR-S
Ada Lovelace
Architecture
Maxwell
TSMC
Foundry
TSMC
4 nm
Process Size
28 nm
35.8 billion
Transistors
Unknown
295 mm²
Die Size
Unknown
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
6.7
Shader Model
5.1
