Product Compare

NVIDIA GeForce GTX 950A vs AMD Radeon RX 640 Mobile

GPU GPU
Graphics Card
Release Date Mar 2015 May 2019
Generation GeForce 900A Mobility Radeon
Type Mobile Mobile
Bus Interface MXM-B (3.0) PCIe 3.0 x8
Clock Speeds
Base Clock 993 MHz 1082 MHz
Boost Clock 1124 MHz 1218 MHz
Memory Clock 1001 MHz 1500 MHz
Memory
Memory Size 2GB 2GB
Memory Type DDR3 GDDR5
Memory Bus 128bit 64bit
Bandwidth 32.03GB/s 48.00GB/s
Render Config
Shading Units 640 640
TMUs 40 40
ROPs 16 16
L1 Cache 64 KB (per SMM) 16 KB (per CU)
L2 Cache 2 MB 512 KB
Compute Units 10
Theoretical Performance
Pixel Rate 17.98 GPixel/s 19.49 GPixel/s
Texture Rate 44.96 GTexel/s 48.72 GTexel/s
FP32 (float) 1439 GFLOPS 1.559 TFLOPS
FP64 (double) 44.96 GFLOPS 97.44 GFLOPS
FP16 (half) 1.559 TFLOPS
Graphics Processor
GPU Name GM107 Polaris 23
GPU Variant N16P-GT Polaris 23 XT
Architecture Maxwell GCN 4.0
Foundry TSMC GlobalFoundries
Process Size 28 nm 14 nm
Transistors 1.87 billion 2.2 billion
Die Size 148 mm² 103 mm²
Board Design
TDP 75W 50W
Outputs No outputs No outputs
Power Connectors None
Graphics Features
DirectX 12 (11_0) 12 (12_0)
OpenGL 4.6 4.6
OpenCL 3.0 2.1
Vulkan 1.3 1.2
CUDA 5.0
Shader Model 5.1 6.4