NVIDIA GeForce GTX 660 OEM vs AMD Radeon Pro V620

VS

NVIDIA GeForce GTX 660 OEM

AMD Radeon Pro V620

We compared two Desktop platform GPUs: 1536MB VRAM GeForce GTX 660 OEM 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 OEM 's Advantages

Lower TDP (130W vs 300W)

AMD Radeon Pro V620 's Advantages

Released 9 years and 3 months late

Boost Clock has increased by 148% (2200MHz vs 888MHz)

More VRAM (32GB vs 1536GB)

Larger VRAM bandwidth (512.0GB/s vs 134.4GB/s)

3456 additional rendering cores

Score

Benchmark

FP32 (float)

GeForce GTX 660 OEM

2.046 TFLOPS

Radeon Pro V620 +891%

20.28 TFLOPS

GeForce GTX 660 OEM

VS

Radeon Pro V620

Graphics Card

Aug 2012

Release Date

Nov 2021

GeForce 600

Generation

Radeon Pro

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 4.0 x16

Clock Speeds

823 MHz

Base Clock

1825 MHz

888 MHz

Boost Clock

2200 MHz

1400 MHz

Memory Clock

2000 MHz

Memory

1536MB

Memory Size

32GB

GDDR5

Memory Type

GDDR6

192bit

Memory Bus

256bit

134.4GB/s

Bandwidth

512.0GB/s

Render Config

-

Compute Units

72

-

1152

Shading Units

4608

96

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

21.31 GPixel/s

Pixel Rate

281.6 GPixel/s

85.25 GTexel/s

Texture Rate

633.6 GTexel/s

-

FP16 (half)

40.55 TFLOPS

2.046 TFLOPS

FP32 (float)

20.28 TFLOPS

85.25 GFLOPS

FP64 (double)

1267 GFLOPS

Board Design

130W

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

GK104-200-KD-A2

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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