AMD Radeon RX 7900 XTX vs AMD Radeon Pro V620

VS

AMD Radeon RX 7900 XTX

AMD Radeon Pro V620

We compared two Desktop platform GPUs: 24GB VRAM Radeon RX 7900 XTX 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 7900 XTX 's Advantages

Released 1 years late

Boost Clock has increased by 14% (2498MHz vs 2200MHz)

Larger VRAM bandwidth (960.0GB/s vs 512.0GB/s)

1536 additional rendering cores

AMD Radeon Pro V620 's Advantages

More VRAM (32GB vs 24GB)

Lower TDP (300W vs 355W)

Score

Benchmark

FP32 (float)

Radeon RX 7900 XTX +202%

61.39 TFLOPS

Radeon Pro V620

20.28 TFLOPS

Radeon RX 7900 XTX

VS

Radeon Pro V620

Graphics Card

Nov 2022

Release Date

Nov 2021

Navi III

Generation

Radeon Pro

Desktop

Type

Desktop

PCIe 4.0 x16

Bus Interface

PCIe 4.0 x16

Clock Speeds

1929 MHz

Base Clock

1825 MHz

2498 MHz

Boost Clock

2200 MHz

2500 MHz

Memory Clock

2000 MHz

Memory

24GB

Memory Size

32GB

GDDR6

Memory Type

GDDR6

384bit

Memory Bus

256bit

960.0GB/s

Bandwidth

512.0GB/s

Render Config

96

Compute Units

72

-

6144

Shading Units

4608

384

TMUs

288

192

ROPs

128

-

96

RT Cores

72

256 KB per Array

L1 Cache

128 KB per Array

6 MB

L2 Cache

4 MB

96 MB

L3 Cache

128 MB

Theoretical Performance

479.6 GPixel/s

Pixel Rate

281.6 GPixel/s

959.2 GTexel/s

Texture Rate

633.6 GTexel/s

122.8 TFLOPS

FP16 (half)

40.55 TFLOPS

61.39 TFLOPS

FP32 (float)

20.28 TFLOPS

1.918 TFLOPS

FP64 (double)

1267 GFLOPS

Board Design

355W

TDP

300W

750 W

Suggested PSU

700 W

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

Outputs

No outputs

2x 8-pin

Power Connectors

2x 8-pin

Graphics Processor

Navi 31

GPU Name

Navi 21

Navi 31 XTX (215-145000146)

GPU Variant

Navi 21 XT (215-121000177)

RDNA 3.0

Architecture

RDNA 2.0

TSMC

Foundry

TSMC

5 nm

Process Size

7 nm

57.7 billion

Transistors

26.8 billion

529 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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