AMD Radeon RX 640 Mobile vs NVIDIA GeForce GTX 970M
GPU Specs Compare
Graphics Card
Release Date
May 2019
Oct 2014
Generation
Mobility Radeon
GeForce 900M
Type
Mobile
Mobile
Bus Interface
PCIe 3.0 x8
MXM-B (3.0)
Clock Speeds
Base Clock
1082 MHz
924 MHz
Boost Clock
1218 MHz
1038 MHz
Memory Clock
1500 MHz
1253 MHz
Memory
Memory Size
2GB
3GB
Memory Type
GDDR5
GDDR5
Memory Bus
64bit
192bit
Bandwidth
48.00GB/s
120.3GB/s
Render Config
Compute Units
10
-
Shading Units
640
1280
TMUs
40
80
ROPs
16
48
L1 Cache
16 KB (per CU)
48 KB (per SMM)
L2 Cache
512 KB
1536 KB
Theoretical Performance
Pixel Rate
19.49 GPixel/s
49.82 GPixel/s
Texture Rate
48.72 GTexel/s
83.04 GTexel/s
FP16 (half)
1.559 TFLOPS
-
FP32 (float)
1.559 TFLOPS
2.657 TFLOPS
FP64 (double)
97.44 GFLOPS
83.04 GFLOPS
Graphics Processor
GPU Name
Polaris 23
GM204
GPU Variant
Polaris 23 XT
N16E-GT-A2
Architecture
GCN 4.0
Maxwell 2.0
Foundry
GlobalFoundries
TSMC
Process Size
14 nm
28 nm
Transistors
2.2 billion
5.2 billion
Die Size
103 mm²
398 mm²
Board Design
TDP
50W
Unknown
Outputs
No outputs
Portable Device Dependent
Power Connectors
None
None
Graphics Features
DirectX
12 (12_0)
12 (12_1)
OpenGL
4.6
4.6
OpenCL
2.1
3.0
Vulkan
1.2
1.3
Shader Model
6.4
6.7 (6.4)
CUDA
-
5.2