AMD Radeon RX 7800 XT vs AMD Radeon Pro V620

VS

AMD Radeon RX 7800 XT

AMD Radeon Pro V620

We compared two Desktop platform GPUs: 16GB VRAM Radeon RX 7800 XT and 32GB VRAM Radeon Pro V620 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon RX 7800 XT 's Advantages

Released 1 years and 9 months late

Boost Clock has increased by 10% (2430MHz vs 2200MHz)

Larger VRAM bandwidth (624.1GB/s vs 512.0GB/s)

Lower TDP (263W vs 300W)

AMD Radeon Pro V620 's Advantages

More VRAM (32GB vs 16GB)

768 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon RX 7800 XT +84%

37.32 TFLOPS

Radeon Pro V620

20.28 TFLOPS

Radeon RX 7800 XT

VS

Radeon Pro V620

Graphics Card

Aug 2023

Release Date

Nov 2021

Navi III

Generation

Radeon Pro

Desktop

Type

Desktop

PCIe 4.0 x16

Bus Interface

PCIe 4.0 x16

Clock Speeds

1295 MHz

Base Clock

1825 MHz

2430 MHz

Boost Clock

2200 MHz

2438 MHz

Memory Clock

2000 MHz

Memory

16GB

Memory Size

32GB

GDDR6

Memory Type

GDDR6

256bit

Memory Bus

256bit

624.1GB/s

Bandwidth

512.0GB/s

Render Config

60

Compute Units

72

-

3840

Shading Units

4608

240

TMUs

288

96

ROPs

128

-

60

RT Cores

72

128 KB per Array

L1 Cache

128 KB per Array

4 MB

L2 Cache

4 MB

64 MB

L3 Cache

128 MB

Theoretical Performance

233.3 GPixel/s

Pixel Rate

281.6 GPixel/s

583.2 GTexel/s

Texture Rate

633.6 GTexel/s

74.65 TFLOPS

FP16 (half)

40.55 TFLOPS

37.32 TFLOPS

FP32 (float)

20.28 TFLOPS

1166 GFLOPS

FP64 (double)

1267 GFLOPS

Board Design

263W

TDP

300W

600 W

Suggested PSU

700 W

1x HDMI 2.1a 3x DisplayPort 2.1

Outputs

No outputs

2x 8-pin

Power Connectors

2x 8-pin

Graphics Processor

Navi 32

GPU Name

Navi 21

Navi 32 XT (215-180000006)

GPU Variant

Navi 21 XT (215-121000177)

RDNA 3.0

Architecture

RDNA 2.0

TSMC

Foundry

TSMC

5 nm

Process Size

7 nm

28.1 billion

Transistors

26.8 billion

346 mm²

Die Size

520 mm²

Graphics Features

12 Ultimate (12_2)

DirectX

12 Ultimate (12_2)

4.6

OpenGL

4.6

2.2

OpenCL

2.1

1.3

Vulkan

1.3

-

6.7

Shader Model

6.5

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