Product Compare

NVIDIA GeForce GTX 670 vs AMD Radeon RX 640 Mobile

GPU GPU
Graphics Card
Release Date May 2012 May 2019
Generation GeForce 600 Mobility Radeon
Type Desktop Mobile
Bus Interface PCIe 3.0 x16 PCIe 3.0 x8
Clock Speeds
Base Clock 915 MHz 1082 MHz
Boost Clock 980 MHz 1218 MHz
Memory Clock 1502 MHz 1500 MHz
Memory
Memory Size 2GB 2GB
Memory Type GDDR5 GDDR5
Memory Bus 256bit 64bit
Bandwidth 192.3GB/s 48.00GB/s
Render Config
Shading Units 1344 640
TMUs 112 40
ROPs 32 16
L1 Cache 16 KB (per SMX) 16 KB (per CU)
L2 Cache 512 KB 512 KB
Compute Units 10
Theoretical Performance
Pixel Rate 27.44 GPixel/s 19.49 GPixel/s
Texture Rate 109.8 GTexel/s 48.72 GTexel/s
FP32 (float) 2.634 TFLOPS 1.559 TFLOPS
FP64 (double) 109.8 GFLOPS 97.44 GFLOPS
FP16 (half) 1.559 TFLOPS
Graphics Processor
GPU Name GK104 Polaris 23
GPU Variant GK104-325-A2 Polaris 23 XT
Architecture Kepler GCN 4.0
Foundry TSMC GlobalFoundries
Process Size 28 nm 14 nm
Transistors 3.54 billion 2.2 billion
Die Size 294 mm² 103 mm²
Board Design
TDP 170W 50W
Suggested PSU 450 W
Outputs 2x DVI1x HDMI 1.4a1x DisplayPort 1.2 No outputs
Power Connectors 2x 6-pin None
Graphics Features
DirectX 12 (11_0) 12 (12_0)
OpenGL 4.6 4.6
OpenCL 3.0 2.1
Vulkan 1.1 1.2
CUDA 3.0
Shader Model 5.1 6.4