AMD Radeon Pro Vega 56 vs NVIDIA GeForce GTX 660 OEM
GPU · Specs Compare
Graphics Card
Release Date
Aug 2017
Aug 2012
Generation
Radeon Pro Mac
GeForce 600
Type
Mobile
Desktop
Bus Interface
PCIe 3.0 x16
PCIe 3.0 x16
Clock Speeds
Base Clock
1138 MHz
823 MHz
Boost Clock
1250 MHz
888 MHz
Memory Clock
786 MHz
1400 MHz
Memory
Memory Size
8GB
1536MB
Memory Type
HBM2
GDDR5
Memory Bus
2048bit
192bit
Bandwidth
402.4GB/s
134.4GB/s
Render Config
Compute Units
56
—
Shading Units
3584
1152
TMUs
224
96
ROPs
64
24
L1 Cache
16 KB (per CU)
16 KB (per SMX)
L2 Cache
4 MB
384 KB
Theoretical Performance
Pixel Rate
80.00 GPixel/s
21.31 GPixel/s
Texture Rate
280.0 GTexel/s
85.25 GTexel/s
FP16 (half)
17.92 TFLOPS
—
FP32 (float)
8.960 TFLOPS
2.046 TFLOPS
FP64 (double)
560.0 GFLOPS
85.25 GFLOPS
Graphics Processor
GPU Name
Vega 10
GK104
GPU Variant
Vega 10 XL(215-0894216)
GK104-200-KD-A2
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
210W
130W
Outputs
1x HDMI 2.0b3x DisplayPort 1.4a
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
Benchmark
3DMark Time Spy
—
1,194
3DMark Time Spy Extreme
—
260
▲ Specs Compare
Data sourced from official specifications and benchmark tests.