NVIDIA GeForce 940M vs NVIDIA GeForce GT 635M
We compared two Mobile platform GPUs: 2GB VRAM GeForce 940M and 1024MB VRAM GeForce GT 635M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
NVIDIA GeForce 940M 's Advantages
Released 3 years late
Boost Clock1098MHz
More VRAM (2GB vs 1024GB)
416 additional rendering cores
NVIDIA GeForce GT 635M 's Advantages
Larger VRAM bandwidth (28.80GB/s vs 14.40GB/s)
Lower TDP (35W vs 75W)
Score
Benchmark
FP32 (float)
GeForce 940M
+344%
1.124 TFLOPS
GeForce GT 635M
0.253 TFLOPS
3DMark Time Spy
GeForce 940M
+198%
507
GeForce GT 635M
170
Graphics Card
Mar 2015
Release Date
Mar 2012
GeForce 900M
Generation
GeForce 600M
Mobile
Type
Mobile
MXM-B (3.0)
Bus Interface
PCIe 2.0 x16
Clock Speeds
1020 MHz
Base Clock
-
1098 MHz
Boost Clock
-
900 MHz
Memory Clock
900 MHz
Memory
2GB
Memory Size
1024MB
DDR3
Memory Type
DDR3
64bit
Memory Bus
128bit
14.40GB/s
Bandwidth
28.80GB/s
Render Config
-
-
-
-
SM Count
2
512
Shading Units
96
32
TMUs
16
16
ROPs
4
-
-
-
-
-
-
64 KB (per SMM)
L1 Cache
64 KB (per SM)
2 MB
L2 Cache
256 KB
-
-
-
Theoretical Performance
17.57 GPixel/s
Pixel Rate
2.640 GPixel/s
35.14 GTexel/s
Texture Rate
10.56 GTexel/s
-
-
-
1124 GFLOPS
FP32 (float)
253.4 GFLOPS
35.14 GFLOPS
FP64 (double)
21.12 GFLOPS
Board Design
75W
TDP
35W
-
-
-
No outputs
Outputs
No outputs
-
-
-
Graphics Processor
GM107
GPU Name
GF108
N16S-GT1-KB-B
GPU Variant
N12E-GE-A1
Maxwell
Architecture
Fermi
TSMC
Foundry
TSMC
28 nm
Process Size
40 nm
1.87 billion
Transistors
0.585 billion
148 mm²
Die Size
116 mm²
Graphics Features
12 (11_0)
DirectX
12 (11_0)
4.6
OpenGL
4.6
3.0
OpenCL
1.1
1.3
Vulkan
N/A
5.0
CUDA
2.1
5.1
Shader Model
5.1
