NVIDIA GeForce RTX 4090 vs AMD Radeon Pro V420

VS

NVIDIA GeForce RTX 4090 AMD Radeon Pro V420

We compared two Desktop platform GPUs: 24GB VRAM GeForce RTX 4090 and 32GB VRAM AMD Radeon Pro V420 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce RTX 4090 's Advantages

Boost Clock has increased by 48% (2520MHz vs 1700MHz)

Larger VRAM bandwidth (1010GB/s vs 819.2GB/s)

12288 additional rendering cores

AMD Radeon Pro V420 's Advantages

More VRAM (32GB vs 24GB)

Lower TDP (300W vs 450W)

Score

Benchmark

FP32 (float)

GeForce RTX 4090 +492%

82.58 TFLOPS

AMD Radeon Pro V420

13.93 TFLOPS

GeForce RTX 4090

VS

AMD Radeon Pro V420

Graphics Card

Sep 2022

Release Date

Unknown

GeForce 40

Generation

Radeon Pro Vega

Desktop

Type

Desktop

PCIe 4.0 x16

Bus Interface

PCIe 4.0 x16

Clock Speeds

2235 MHz

Base Clock

800 MHz

2520 MHz

Boost Clock

1700 MHz

1313 MHz

Memory Clock

800 MHz

Memory

24GB

Memory Size

32GB

GDDR6X

Memory Type

HBM2

384bit

Memory Bus

4096bit

1010GB/s

Bandwidth

819.2GB/s

Render Config

128

SM Count

-

Compute Units

64

16384

Shading Units

4096

512

TMUs

256

176

ROPs

64

512

Tensor Cores

-

128

RT Cores

-

128 KB (per SM)

L1 Cache

16 KB (per CU)

72 MB

L2 Cache

4 MB

Theoretical Performance

443.5 GPixel/s

Pixel Rate

108.8 GPixel/s

1290 GTexel/s

Texture Rate

435.2 GTexel/s

82.58 TFLOPS

FP16 (half)

27.85 TFLOPS

82.58 TFLOPS

FP32 (float)

13.93 TFLOPS

1290 GFLOPS

FP64 (double)

6.963 TFLOPS

Graphics Processor

AD102

GPU Name

Vega 20

AD102-300-A1

GPU Variant

Vega 20 GLXT WS (215-0914026)

Ada Lovelace

Architecture

GCN 5.1

TSMC

Foundry

TSMC

5 nm

Process Size

7 nm

76.3 billion

Transistors

13.23 billion

609 mm²

Die Size

331 mm²

Board Design

450W

TDP

300W

850 W

Suggested PSU

700 W

1x HDMI 2.1 3x DisplayPort 1.4a

Outputs

6x mini-DisplayPort 1.4a

1x 16-pin

Power Connectors

1x 6-pin + 1x 8-pin

Graphics Features

12 Ultimate (12_2)

DirectX

12 (12_1)

4.6

OpenGL

4.6

3.0

OpenCL

2.1

1.3

Vulkan

1.3

8.9

CUDA

-

6.7

Shader Model

6.7

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