NVIDIA GeForce RTX 4090 vs AMD Radeon Pro V620

VS

NVIDIA GeForce RTX 4090 AMD Radeon Pro V620

We compared two Desktop platform GPUs: 24GB VRAM GeForce RTX 4090 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 RTX 4090 's Advantages

Released 10 months late

Boost Clock has increased by 15% (2520MHz vs 2200MHz)

Larger VRAM bandwidth (1008GB/s vs 512.0GB/s)

11776 additional rendering cores

AMD Radeon Pro V620 's Advantages

More VRAM (32GB vs 24GB)

Lower TDP (300W vs 450W)

Score

Benchmark

FP32 (float)

GeForce RTX 4090 +307%

82.58 TFLOPS

Radeon Pro V620

20.28 TFLOPS

GeForce RTX 4090

VS

Radeon Pro V620

Graphics Card

Sep 2022

Release Date

Nov 2021

GeForce 40

Generation

Radeon Pro

Desktop

Type

Desktop

PCIe 4.0 x16

Bus Interface

PCIe 4.0 x16

Clock Speeds

2235 MHz

Base Clock

1825 MHz

2520 MHz

Boost Clock

2200 MHz

1313 MHz

Memory Clock

2000 MHz

Memory

24GB

Memory Size

32GB

GDDR6X

Memory Type

GDDR6

384bit

Memory Bus

256bit

1008GB/s

Bandwidth

512.0GB/s

Render Config

128

SM Count

-

Compute Units

72

16384

Shading Units

4608

512

TMUs

288

176

ROPs

128

512

Tensor Cores

-

128

RT Cores

72

128 KB (per SM)

L1 Cache

128 KB per Array

72 MB

L2 Cache

4 MB

Theoretical Performance

443.5 GPixel/s

Pixel Rate

281.6 GPixel/s

1290 GTexel/s

Texture Rate

633.6 GTexel/s

82.58 TFLOPS

FP16 (half)

40.55 TFLOPS

82.58 TFLOPS

FP32 (float)

20.28 TFLOPS

1290 GFLOPS

FP64 (double)

1267 GFLOPS

Graphics Processor

AD102

GPU Name

Navi 21

AD102-300-A1

GPU Variant

Navi 21 XT (215-121000177)

Ada Lovelace

Architecture

RDNA 2.0

TSMC

Foundry

TSMC

5 nm

Process Size

7 nm

76.3 billion

Transistors

26.8 billion

609 mm²

Die Size

520 mm²

Board Design

450W

TDP

300W

850 W

Suggested PSU

700 W

1x HDMI 2.1 3x DisplayPort 1.4a

Outputs

No outputs

1x 16-pin

Power Connectors

2x 8-pin

Graphics Features

12 Ultimate (12_2)

DirectX

12 Ultimate (12_2)

4.6

OpenGL

4.6

3.0

OpenCL

2.1

1.3

Vulkan

1.3

8.9

CUDA

-

6.7

Shader Model

6.5

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