AMD Radeon Pro V420 vs AMD Radeon RX 7900 XTX

VS

AMD Radeon Pro V420

AMD Radeon RX 7900 XTX

We compared two Desktop platform GPUs: 32GB VRAM AMD Radeon Pro V420 and 24GB VRAM Radeon RX 7900 XTX to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon Pro V420 's Advantages

More VRAM (32GB vs 24GB)

Lower TDP (300W vs 355W)

AMD Radeon RX 7900 XTX 's Advantages

Boost Clock has increased by 47% (2498MHz vs 1700MHz)

Larger VRAM bandwidth (960.0GB/s vs 819.2GB/s)

2048 additional rendering cores

Score

Benchmark

FP32 (float)

AMD Radeon Pro V420

13.93 TFLOPS

Radeon RX 7900 XTX +340%

61.39 TFLOPS

AMD Radeon Pro V420

VS

Radeon RX 7900 XTX

Graphics Card

Unknown

Release Date

Nov 2022

Radeon Pro Vega

Generation

Navi III

Desktop

Type

Desktop

PCIe 4.0 x16

Bus Interface

PCIe 4.0 x16

Clock Speeds

800 MHz

Base Clock

1929 MHz

1700 MHz

Boost Clock

2498 MHz

800 MHz

Memory Clock

2500 MHz

Memory

32GB

Memory Size

24GB

HBM2

Memory Type

GDDR6

4096bit

Memory Bus

384bit

819.2GB/s

Bandwidth

960.0GB/s

Render Config

64

Compute Units

96

-

4096

Shading Units

6144

256

TMUs

384

64

ROPs

192

-

RT Cores

96

16 KB (per CU)

L1 Cache

256 KB per Array

4 MB

L2 Cache

6 MB

-

L3 Cache

96 MB

Theoretical Performance

108.8 GPixel/s

Pixel Rate

479.6 GPixel/s

435.2 GTexel/s

Texture Rate

959.2 GTexel/s

27.85 TFLOPS

FP16 (half)

122.8 TFLOPS

13.93 TFLOPS

FP32 (float)

61.39 TFLOPS

6.963 TFLOPS

FP64 (double)

1.918 TFLOPS

Board Design

300W

TDP

355W

700 W

Suggested PSU

750 W

6x mini-DisplayPort 1.4a

Outputs

1x HDMI 2.1a 2x DisplayPort 2.1 1x USB Type-C

1x 6-pin + 1x 8-pin

Power Connectors

2x 8-pin

Graphics Processor

Vega 20

GPU Name

Navi 31

Vega 20 GLXT WS (215-0914026)

GPU Variant

Navi 31 XTX (215-145000146)

GCN 5.1

Architecture

RDNA 3.0

TSMC

Foundry

TSMC

7 nm

Process Size

5 nm

13.23 billion

Transistors

57.7 billion

331 mm²

Die Size

529 mm²

Graphics Features

12 (12_1)

DirectX

12 Ultimate (12_2)

4.6

OpenGL

4.6

2.1

OpenCL

2.2

1.3

Vulkan

1.3

-

6.7

Shader Model

6.7

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