AMD Radeon Pro V620 vs AMD Radeon HD 7950 Mac Edition

VS

AMD Radeon Pro V620

AMD Radeon HD 7950 Mac Edition

We compared two Desktop platform GPUs: 32GB VRAM Radeon Pro V620 and 3GB VRAM Radeon HD 7950 Mac Edition to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon Pro V620 's Advantages

Released 8 years and 8 months late

Boost Clock2200MHz

More VRAM (32GB vs 3GB)

Larger VRAM bandwidth (512.0GB/s vs 240.0GB/s)

2816 additional rendering cores

AMD Radeon HD 7950 Mac Edition 's Advantages

Lower TDP (200W vs 300W)

Score

Benchmark

FP32 (float)

Radeon Pro V620 +607%

20.28 TFLOPS

Radeon HD 7950 Mac Edition

2.867 TFLOPS

Radeon Pro V620

VS

Radeon HD 7950 Mac Edition

Graphics Card

Nov 2021

Release Date

Mar 2013

Radeon Pro

Generation

Southern Islands

Desktop

Type

Desktop

PCIe 4.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

1825 MHz

Base Clock

-

2200 MHz

Boost Clock

-

2000 MHz

Memory Clock

1250 MHz

Memory

32GB

Memory Size

3GB

GDDR6

Memory Type

GDDR5

256bit

Memory Bus

384bit

512.0GB/s

Bandwidth

240.0GB/s

Render Config

72

Compute Units

28

-

4608

Shading Units

1792

288

TMUs

112

128

ROPs

32

-

72

RT Cores

-

128 KB per Array

L1 Cache

16 KB (per CU)

4 MB

L2 Cache

768 KB

128 MB

L3 Cache

-

Theoretical Performance

281.6 GPixel/s

Pixel Rate

25.60 GPixel/s

633.6 GTexel/s

Texture Rate

89.60 GTexel/s

40.55 TFLOPS

FP16 (half)

-

20.28 TFLOPS

FP32 (float)

2.867 TFLOPS

1267 GFLOPS

FP64 (double)

716.8 GFLOPS

Board Design

300W

TDP

200W

700 W

Suggested PSU

550 W

No outputs

Outputs

1x DVI 1x HDMI 1.4a 2x mini-DisplayPort 1.2

2x 8-pin

Power Connectors

2x 6-pin

Graphics Processor

Navi 21

GPU Name

Tahiti

Navi 21 XT (215-121000177)

GPU Variant

Tahiti PRO (215-0821056)

RDNA 2.0

Architecture

GCN 1.0

TSMC

Foundry

TSMC

7 nm

Process Size

28 nm

26.8 billion

Transistors

4.313 billion

520 mm²

Die Size

352 mm²

Graphics Features

12 Ultimate (12_2)

DirectX

12 (11_1)

4.6

OpenGL

4.6

2.1

OpenCL

1.2

1.3

Vulkan

1.2

-

6.5

Shader Model

5.1

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