NVIDIA GeForce 920MX vs AMD Radeon RX 640 Mobile
We compared two Mobile platform GPUs: 2GB VRAM GeForce 920MX and 2GB VRAM Radeon RX 640 Mobile to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
NVIDIA GeForce 920MX 's Advantages
Lower TDP (16W vs 50W)
AMD Radeon RX 640 Mobile 's Advantages
Released 3 years and 2 months late
Boost Clock has increased by 23% (1218MHz vs 993MHz)
Larger VRAM bandwidth (48.00GB/s vs 14.40GB/s)
384 additional rendering cores
Score
Benchmark
FP32 (float)
GeForce 920MX
0.508 TFLOPS
Radeon RX 640 Mobile
+206%
1.559 TFLOPS
Graphics Card
Mar 2016
Release Date
May 2019
GeForce 900M
Generation
Mobility Radeon
Mobile
Type
Mobile
PCIe 3.0 x8
Bus Interface
PCIe 3.0 x8
Clock Speeds
965 MHz
Base Clock
1082 MHz
993 MHz
Boost Clock
1218 MHz
900 MHz
Memory Clock
1500 MHz
Memory
2GB
Memory Size
2GB
DDR3
Memory Type
GDDR5
64bit
Memory Bus
64bit
14.40GB/s
Bandwidth
48.00GB/s
Render Config
-
Compute Units
10
-
-
-
256
Shading Units
640
24
TMUs
40
8
ROPs
16
-
-
-
-
-
-
64 KB (per SMM)
L1 Cache
16 KB (per CU)
1024 KB
L2 Cache
512 KB
-
-
-
Theoretical Performance
7.944 GPixel/s
Pixel Rate
19.49 GPixel/s
23.83 GTexel/s
Texture Rate
48.72 GTexel/s
-
FP16 (half)
1.559 TFLOPS
508.4 GFLOPS
FP32 (float)
1.559 TFLOPS
15.89 GFLOPS
FP64 (double)
97.44 GFLOPS
Board Design
16W
TDP
50W
-
-
-
No outputs
Outputs
No outputs
None
Power Connectors
None
Graphics Processor
GM108
GPU Name
Polaris 23
N16V-GMR1-S
GPU Variant
Polaris 23 XT
Maxwell
Architecture
GCN 4.0
TSMC
Foundry
GlobalFoundries
28 nm
Process Size
14 nm
Unknown
Transistors
2.2 billion
Unknown
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
