Home GPU Comparison NVIDIA GeForce GTX 660 Rev. 2 vs AMD Radeon Pro V620

NVIDIA GeForce GTX 660 Rev. 2 vs AMD Radeon Pro V620

NVIDIA GeForce GTX 660 Rev. 2
VS
AMD Radeon Pro V620
NVIDIA GeForce GTX 660 Rev. 2
AMD Radeon Pro V620
We compared two Desktop platform GPUs: 2GB VRAM GeForce GTX 660 Rev. 2 and 32GB VRAM Radeon Pro V620 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GTX 660 Rev. 2 's Advantages
Lower TDP (140W vs 300W)
AMD Radeon Pro V620 's Advantages
Released 7 years and 2 months late
Boost Clock has increased by 113% (2200MHz vs 1032MHz)
More VRAM (32GB vs 2GB)
Larger VRAM bandwidth (512.0GB/s vs 144.2GB/s)
3648 additional rendering cores

Score

Benchmark

FP32 (float)
GeForce GTX 660 Rev. 2
1.981 TFLOPS
Radeon Pro V620 +923%
20.28 TFLOPS
GeForce GTX 660 Rev. 2
VS
Radeon Pro V620

Graphics Card

Sep 2014
Release Date
Nov 2021
GeForce 600
Generation
Radeon Pro
Desktop
Type
Desktop
PCIe 3.0 x16
Bus Interface
PCIe 4.0 x16

Clock Speeds

980 MHz
Base Clock
1825 MHz
1032 MHz
Boost Clock
2200 MHz
1502 MHz
Memory Clock
2000 MHz

Memory

2GB
Memory Size
32GB
GDDR5
Memory Type
GDDR6
192bit
Memory Bus
256bit
144.2GB/s
Bandwidth
512.0GB/s

Render Config

-
Compute Units
72
-
-
-
960
Shading Units
4608
80
TMUs
288
24
ROPs
128
-
-
-
-
RT Cores
72
16 KB (per SMX)
L1 Cache
128 KB per Array
384 KB
L2 Cache
4 MB
-
L3 Cache
128 MB

Theoretical Performance

20.64 GPixel/s
Pixel Rate
281.6 GPixel/s
82.56 GTexel/s
Texture Rate
633.6 GTexel/s
-
FP16 (half)
40.55 TFLOPS
1.981 TFLOPS
FP32 (float)
20.28 TFLOPS
82.56 GFLOPS
FP64 (double)
1267 GFLOPS

Board Design

140W
TDP
300W
300 W
Suggested PSU
700 W
2x DVI 1x HDMI 1.4a 1x DisplayPort 1.2
Outputs
No outputs
1x 6-pin
Power Connectors
2x 8-pin

Graphics Processor

GK104
GPU Name
Navi 21
-
GPU Variant
Navi 21 XT (215-121000177)
Kepler
Architecture
RDNA 2.0
TSMC
Foundry
TSMC
28 nm
Process Size
7 nm
3.54 billion
Transistors
26.8 billion
294 mm²
Die Size
520 mm²

Graphics Features

12 (11_0)
DirectX
12 Ultimate (12_2)
4.6
OpenGL
4.6
3.0
OpenCL
2.1
1.1
Vulkan
1.3
3.0
CUDA
-
5.1
Shader Model
6.5

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