GeForce 940M vs Radeon 550X Mobile
We compared two Mobile platform GPUs: 2GB VRAM GeForce 940M and 4GB VRAM Radeon 550X Mobile to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
Radeon 550X Mobile 's Advantages
Released 3 years and 1 months late
Boost Clock has increased by 17% (1287MHz vs 1098MHz)
More VRAM (4GB vs 2GB)
Larger VRAM bandwidth (48.00GB/s vs 14.40GB/s)
128 additional rendering cores
Lower TDP (50W vs 75W)
Score
Benchmark
FP32 (float)
GeForce 940M
1124
Radeon 550X Mobile
+46%
1647
Graphics Card
Mar 2015
Release Date
Apr 2018
GeForce 900M
Generation
Mobility Radeon
Mobile
Type
Mobile
MXM-B (3.0)
Bus Interface
PCIe 3.0 x8
Clock Speeds
1020 MHz
Base Clock
1100 MHz
1098 MHz
Boost Clock
1287 MHz
900 MHz
Memory Clock
1500 MHz
Memory
2GB
Memory Size
4GB
DDR3
Memory Type
GDDR5
64bit
Memory Bus
64bit
14.40GB/s
Bandwidth
48.00GB/s
Render Config
-
Compute Units
10
512
Shading Units
640
32
TMUs
40
16
ROPs
16
64 KB (per SMM)
L1 Cache
16 KB (per CU)
2 MB
L2 Cache
256 KB
Theoretical Performance
17.57 GPixel/s
Pixel Rate
20.59 GPixel/s
35.14 GTexel/s
Texture Rate
51.48 GTexel/s
-
FP16 (half)
1.647 TFLOPS
1124 GFLOPS
FP32 (float)
1.647 TFLOPS
35.14 GFLOPS
FP64 (double)
103.0 GFLOPS
Board Design
75W
TDP
50W
No outputs
Outputs
No outputs
-
Power Connectors
None
Graphics Processor
GM107
GPU Name
Polaris 23
N16S-GT1-KB-B
GPU Variant
Polaris 23 MXT
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