AMD Radeon Pro V620 vs NVIDIA GeForce GTX 660

VS

AMD Radeon Pro V620 NVIDIA GeForce GTX 660

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

Main Differences

AMD Radeon Pro V620 's Advantages

Released 9 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

NVIDIA GeForce GTX 660 's Advantages

Lower TDP (140W vs 300W)

Score

Benchmark

FP32 (float)

Radeon Pro V620 +923%

20.28 TFLOPS

GeForce GTX 660

1.981 TFLOPS

Radeon Pro V620

VS

GeForce GTX 660

Graphics Card

Nov 2021

Release Date

Sep 2012

Radeon Pro

Generation

GeForce 600

Desktop

Type

Desktop

PCIe 4.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

1825 MHz

Base Clock

980 MHz

2200 MHz

Boost Clock

1032 MHz

2000 MHz

Memory Clock

1502 MHz

Memory

32GB

Memory Size

2GB

GDDR6

Memory Type

GDDR5

256bit

Memory Bus

192bit

512.0GB/s

Bandwidth

144.2GB/s

Render Config

-

SM Count

-

72

Compute Units

-

4608

Shading Units

960

288

TMUs

80

128

ROPs

24

-

Tensor Cores

-

72

RT Cores

-

128 KB per Array

L1 Cache

16 KB (per SMX)

4 MB

L2 Cache

384 KB

Theoretical Performance

281.6 GPixel/s

Pixel Rate

20.64 GPixel/s

633.6 GTexel/s

Texture Rate

82.56 GTexel/s

40.55 TFLOPS

FP16 (half)

-

20.28 TFLOPS

FP32 (float)

1.981 TFLOPS

1267 GFLOPS

FP64 (double)

82.56 GFLOPS

Graphics Processor

Navi 21

GPU Name

GK106

Navi 21 XT (215-121000177)

GPU Variant

GK106-400-A1

RDNA 2.0

Architecture

Kepler

TSMC

Foundry

TSMC

7 nm

Process Size

28 nm

26.8 billion

Transistors

2.54 billion

520 mm²

Die Size

221 mm²

Board Design

300W

TDP

140W

700 W

Suggested PSU

300 W

No outputs

Outputs

2x DVI 1x HDMI 1.4a 1x DisplayPort 1.2

2x 8-pin

Power Connectors

1x 6-pin

Graphics Features

12 Ultimate (12_2)

DirectX

12 (11_0)

4.6

OpenGL

4.6

2.1

OpenCL

3.0

1.3

Vulkan

1.1

-

CUDA

3.0

6.5

Shader Model

5.1

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