ATI Radeon HD 3870 Mac Edition vs AMD Radeon Pro V620

VS

ATI Radeon HD 3870 Mac Edition

AMD Radeon Pro V620

We compared two Desktop platform GPUs: 512MB VRAM Radeon HD 3870 Mac Edition and 32GB VRAM Radeon Pro V620 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

ATI Radeon HD 3870 Mac Edition 's Advantages

Lower TDP (106W vs 300W)

AMD Radeon Pro V620 's Advantages

Released 13 years and 5 months late

Boost Clock2200MHz

More VRAM (32GB vs 512GB)

Larger VRAM bandwidth (512.0GB/s vs 72.06GB/s)

4288 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 3870 Mac Edition

0.497 TFLOPS

Radeon Pro V620 +3980%

20.28 TFLOPS

Radeon HD 3870 Mac Edition

VS

Radeon Pro V620

Graphics Card

Jun 2008

Release Date

Nov 2021

Radeon R600

Generation

Radeon Pro

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 4.0 x16

Clock Speeds

-

Base Clock

1825 MHz

-

Boost Clock

2200 MHz

1126 MHz

Memory Clock

2000 MHz

Memory

512MB

Memory Size

32GB

GDDR4

Memory Type

GDDR6

256bit

Memory Bus

256bit

72.06GB/s

Bandwidth

512.0GB/s

Render Config

4

Compute Units

72

-

320

Shading Units

4608

16

TMUs

288

16

ROPs

128

-

RT Cores

72

-

L1 Cache

128 KB per Array

256 KB

L2 Cache

4 MB

-

L3 Cache

128 MB

Theoretical Performance

12.43 GPixel/s

Pixel Rate

281.6 GPixel/s

12.43 GTexel/s

Texture Rate

633.6 GTexel/s

-

FP16 (half)

40.55 TFLOPS

497.3 GFLOPS

FP32 (float)

20.28 TFLOPS

99.46 GFLOPS

FP64 (double)

1267 GFLOPS

Board Design

106W

TDP

300W

300 W

Suggested PSU

700 W

2x DVI 1x S-Video

Outputs

No outputs

1x 6-pin

Power Connectors

2x 8-pin

Graphics Processor

RV670

GPU Name

Navi 21

RV670 XT (215-0708005)

GPU Variant

Navi 21 XT (215-121000177)

TeraScale

Architecture

RDNA 2.0

TSMC

Foundry

TSMC

55 nm

Process Size

7 nm

0.666 billion

Transistors

26.8 billion

192 mm²

Die Size

520 mm²

Graphics Features

10.1 (10_1)

DirectX

12 Ultimate (12_2)

3.3 (full) 4.0 (partial)

OpenGL

4.6

N/A

OpenCL

2.1

N/A

Vulkan

1.3

-

4.1

Shader Model

6.5

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