NVIDIA GeForce GTX 660 Rev. 2 vs AMD Radeon Pro 5500M
GPU · Specs Compare
Graphics Card
Release Date
Sep 2014
Nov 2019
Generation
GeForce 600
Radeon Pro Mac
Type
Desktop
Mobile
Bus Interface
PCIe 3.0 x16
PCIe 4.0 x8
Clock Speeds
Base Clock
980 MHz
1000 MHz
Boost Clock
1032 MHz
1450 MHz
Memory Clock
1502 MHz
1500 MHz
Memory
Memory Size
2GB
8GB
Memory Type
GDDR5
GDDR6
Memory Bus
192bit
128bit
Bandwidth
144.2GB/s
192.0GB/s
Render Config
Shading Units
960
1536
TMUs
80
96
ROPs
24
32
L1 Cache
16 KB (per SMX)
—
L2 Cache
384 KB
2 MB
Compute Units
—
24
Theoretical Performance
Pixel Rate
20.64 GPixel/s
46.40 GPixel/s
Texture Rate
82.56 GTexel/s
139.2 GTexel/s
FP32 (float)
1.981 TFLOPS
4.454 TFLOPS
FP64 (double)
82.56 GFLOPS
278.4 GFLOPS
FP16 (half)
—
8.909 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 ULA
Board Design
TDP
140W
85W
Suggested PSU
300 W
—
Outputs
2x DVI1x HDMI 1.4a1x DisplayPort 1.2
No outputs
Power Connectors
1x 6-pin
None
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
—
3,418
3DMark Time Spy Extreme
—
1,574
▲ Specs Compare
Data sourced from official specifications and benchmark tests.