NVIDIA GeForce GTX 660 Rev. 2 vs AMD Radeon Pro W5500
GPU · Specs Compare
Graphics Card
Release Date
Sep 2014
Feb 2020
Generation
GeForce 600
Radeon Pro
Type
Desktop
Desktop
Bus Interface
PCIe 3.0 x16
PCIe 4.0 x8
Clock Speeds
Base Clock
980 MHz
1744 MHz
Boost Clock
1032 MHz
1855 MHz
Memory Clock
1502 MHz
1750 MHz
Memory
Memory Size
2GB
8GB
Memory Type
GDDR5
GDDR6
Memory Bus
192bit
128bit
Bandwidth
144.2GB/s
224.0GB/s
Render Config
Shading Units
960
1408
TMUs
80
88
ROPs
24
32
L1 Cache
16 KB (per SMX)
—
L2 Cache
384 KB
2 MB
Compute Units
—
22
Theoretical Performance
Pixel Rate
20.64 GPixel/s
59.36 GPixel/s
Texture Rate
82.56 GTexel/s
163.2 GTexel/s
FP32 (float)
1.981 TFLOPS
5.224 TFLOPS
FP64 (double)
82.56 GFLOPS
326.5 GFLOPS
FP16 (half)
—
10.45 TFLOPS
Graphics Processor
GPU Name
GK104
Navi 14
Architecture
Kepler
RDNA 1.0
Foundry
TSMC
TSMC
Process Size
28 nm
7 nm
Transistors
3.54 billion
6.4 billion
Die Size
294 mm²
158 mm²
GPU Variant
—
Navi 14 PRO XL
Board Design
TDP
140W
125W
Suggested PSU
300 W
300 W
Outputs
2x DVI1x HDMI 1.4a1x DisplayPort 1.2
4x DisplayPort 1.4a
Power Connectors
1x 6-pin
1x 6-pin
Graphics Features
DirectX
12 (11_0)
12 (12_1)
OpenGL
4.6
4.6
OpenCL
3.0
2.1
Vulkan
1.1
1.3
CUDA
3.0
—
Shader Model
5.1
6.5
Benchmark
3DMark Time Spy
—
4,798
▲ Specs Compare
Data sourced from official specifications and benchmark tests.