GeForce 940M vs Radeon E9171 MCM
We compared two Mobile platform GPUs: 2GB VRAM GeForce 940M and 4GB VRAM Radeon E9171 MCM to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
Radeon E9171 MCM 's Advantages
Released 2 years and 7 months late
Boost Clock has increased by 11% (1219MHz vs 1098MHz)
More VRAM (4GB vs 2GB)
Larger VRAM bandwidth (96.00GB/s vs 14.40GB/s)
Lower TDP (40W vs 75W)
Score
Benchmark
FP32 (float)
GeForce 940M
1124
Radeon E9171 MCM
+11%
1248
Graphics Card
Mar 2015
Release Date
Oct 2017
GeForce 900M
Generation
Embedded
Mobile
Type
Mobile
MXM-B (3.0)
Bus Interface
PCIe 3.0 x8
Clock Speeds
1020 MHz
Base Clock
1124 MHz
1098 MHz
Boost Clock
1219 MHz
900 MHz
Memory Clock
1500 MHz
Memory
2GB
Memory Size
4GB
DDR3
Memory Type
GDDR5
64bit
Memory Bus
128bit
14.40GB/s
Bandwidth
96.00GB/s
Render Config
-
Compute Units
8
512
Shading Units
512
32
TMUs
32
16
ROPs
16
64 KB (per SMM)
L1 Cache
16 KB (per CU)
2 MB
L2 Cache
512 KB
Theoretical Performance
17.57 GPixel/s
Pixel Rate
19.50 GPixel/s
35.14 GTexel/s
Texture Rate
39.01 GTexel/s
-
FP16 (half)
1248 GFLOPS
1124 GFLOPS
FP32 (float)
1248 GFLOPS
35.14 GFLOPS
FP64 (double)
78.02 GFLOPS
Board Design
75W
TDP
40W
No outputs
Outputs
No outputs
-
Power Connectors
None
Graphics Processor
GM107
GPU Name
Lexa
N16S-GT1-KB-B
GPU Variant
Lexa MCM Pro
Maxwell
Architecture
GCN 4.0
TSMC
Foundry
GlobalFoundries
28 nm
Process Size
14 nm
1.87 billion
Transistors
2.2 billion
148 mm²
Die Size
103 mm²
Graphics Features
12 (11_0)
DirectX
12 (12_0)
4.6
OpenGL
4.6
3.0
OpenCL
2.1
1.3
Vulkan
1.2
5.0
CUDA
-
5.1
Shader Model
6.4