Product Compare

NVIDIA GeForce GTX 970M vs AMD Radeon RX 640 Mobile

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