AMD Radeon Pro V620 vs AMD Radeon HD 6850 X2

VS

AMD Radeon Pro V620

AMD Radeon HD 6850 X2

We compared two Desktop platform GPUs: 32GB VRAM Radeon Pro V620 and 2GB VRAM Radeon HD 6850 X2 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon Pro V620 's Advantages

Released 10 years and 2 months late

Boost Clock2200MHz

More VRAM (32GB vs 2GB)

Larger VRAM bandwidth (512.0GB/s vs 134.4GB/s)

3648 additional rendering cores

AMD Radeon HD 6850 X2 's Advantages

Lower TDP (254W vs 300W)

Score

Benchmark

FP32 (float)

Radeon Pro V620 +1220%

20.28 TFLOPS

Radeon HD 6850 X2

1.536 TFLOPS

Radeon Pro V620

VS

Radeon HD 6850 X2

Graphics Card

Nov 2021

Release Date

Sep 2011

Radeon Pro

Generation

Northern Islands

Desktop

Type

Desktop

PCIe 4.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

1825 MHz

Base Clock

-

2200 MHz

Boost Clock

-

2000 MHz

Memory Clock

1050 MHz

Memory

32GB

Memory Size

2GB

GDDR6

Memory Type

GDDR5

256bit

Memory Bus

256bit

512.0GB/s

Bandwidth

134.4GB/s

Render Config

72

Compute Units

12

-

4608

Shading Units

960

288

TMUs

48

128

ROPs

32

-

72

RT Cores

-

128 KB per Array

L1 Cache

8 KB (per CU)

4 MB

L2 Cache

512 KB

128 MB

L3 Cache

-

Theoretical Performance

281.6 GPixel/s

Pixel Rate

25.60 GPixel/s

633.6 GTexel/s

Texture Rate

38.40 GTexel/s

40.55 TFLOPS

FP16 (half)

-

20.28 TFLOPS

FP32 (float)

1.536 TFLOPS

1267 GFLOPS

FP64 (double)

-

Board Design

300W

TDP

254W

700 W

Suggested PSU

600 W

No outputs

Outputs

2x DVI 1x HDMI 1.3a 1x DisplayPort 1.1

2x 8-pin

Power Connectors

2x 8-pin

Graphics Processor

Navi 21

GPU Name

Barts

Navi 21 XT (215-121000177)

GPU Variant

Barts PRO (215-0798006)

RDNA 2.0

Architecture

TeraScale 2

TSMC

Foundry

TSMC

7 nm

Process Size

40 nm

26.8 billion

Transistors

1.7 billion

520 mm²

Die Size

255 mm²

Graphics Features

12 Ultimate (12_2)

DirectX

11.2 (11_0)

4.6

OpenGL

4.4

2.1

OpenCL

1.2

1.3

Vulkan

N/A

-

6.5

Shader Model

5.0

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