AMD Radeon Pro 560X vs NVIDIA GeForce GTX 660 OEM
GPU · Specs Compare
Graphics Card
Release Date
Jul 2018
Aug 2012
Generation
Radeon Pro Mac
GeForce 600
Type
Mobile
Desktop
Bus Interface
PCIe 3.0 x8
PCIe 3.0 x16
Clock Speeds
Memory Clock
1470 MHz
1400 MHz
Base Clock
—
823 MHz
Boost Clock
—
888 MHz
Memory
Memory Size
4GB
1536MB
Memory Type
GDDR5
GDDR5
Memory Bus
128bit
192bit
Bandwidth
94.08GB/s
134.4GB/s
Render Config
Compute Units
16
—
Shading Units
1024
1152
TMUs
64
96
ROPs
16
24
L1 Cache
16 KB (per CU)
16 KB (per SMX)
L2 Cache
1024 KB
384 KB
Theoretical Performance
Pixel Rate
16.06 GPixel/s
21.31 GPixel/s
Texture Rate
64.26 GTexel/s
85.25 GTexel/s
FP16 (half)
2.056 TFLOPS
—
FP32 (float)
2.056 TFLOPS
2.046 TFLOPS
FP64 (double)
128.5 GFLOPS
85.25 GFLOPS
Graphics Processor
GPU Name
Polaris 21
GK104
GPU Variant
Polaris 21 XT(215-0908004)
GK104-200-KD-A2
Architecture
GCN 4.0
Kepler
Foundry
GlobalFoundries
TSMC
Process Size
14 nm
28 nm
Transistors
3 billion
3.54 billion
Die Size
123 mm²
294 mm²
Board Design
TDP
75W
130W
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_0)
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.