Product Compare

AMD Radeon Pro Vega 64 vs NVIDIA GeForce GTX 660 Rev. 2

GPU GPU
Graphics Card
Release Date Jun 2017 Sep 2014
Generation Radeon Pro Mac GeForce 600
Type Mobile Desktop
Bus Interface PCIe 3.0 x16 PCIe 3.0 x16
Clock Speeds
Base Clock 1250 MHz 980 MHz
Boost Clock 1350 MHz 1032 MHz
Memory Clock 786 MHz 1502 MHz
Memory
Memory Size 16GB 2GB
Memory Type HBM2 GDDR5
Memory Bus 2048bit 192bit
Bandwidth 402.4GB/s 144.2GB/s
Render Config
Compute Units 64
Shading Units 4096 960
TMUs 256 80
ROPs 64 24
L1 Cache 16 KB (per CU) 16 KB (per SMX)
L2 Cache 4 MB 384 KB
Theoretical Performance
Pixel Rate 86.40 GPixel/s 20.64 GPixel/s
Texture Rate 345.6 GTexel/s 82.56 GTexel/s
FP16 (half) 22.12 TFLOPS
FP32 (float) 11.06 TFLOPS 1.981 TFLOPS
FP64 (double) 691.2 GFLOPS 82.56 GFLOPS
Graphics Processor
GPU Name Vega 10 GK104
GPU Variant Vega 10 XT(215-0894200)
Architecture GCN 5.0 Kepler
Foundry GlobalFoundries TSMC
Process Size 14 nm 28 nm
Transistors 12.5 billion 3.54 billion
Die Size 495 mm² 294 mm²
Board Design
TDP 250W 140W
Outputs No outputs 2x DVI1x HDMI 1.4a1x DisplayPort 1.2
Power Connectors None 1x 6-pin
Suggested PSU 300 W
Graphics Features
DirectX 12 (12_1) 12 (11_0)
OpenGL 4.6 4.6
OpenCL 2.1 3.0
Vulkan 1.2 1.1
Shader Model 6.4 5.1
CUDA 3.0