AMD Radeon HD 6870 X2 vs AMD Radeon Pro V620

VS

AMD Radeon HD 6870 X2

AMD Radeon Pro V620

We compared two Desktop platform GPUs: 1024MB VRAM Radeon HD 6870 X2 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 Pro V620 's Advantages

Released 10 years and 4 months late

Boost Clock2200MHz

More VRAM (32GB vs 1024GB)

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

3488 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 6870 X2

2.016 TFLOPS

Radeon Pro V620 +905%

20.28 TFLOPS

Radeon HD 6870 X2

VS

Radeon Pro V620

Graphics Card

Jul 2011

Release Date

Nov 2021

Northern Islands

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

1050 MHz

Memory Clock

2000 MHz

Memory

1024MB

Memory Size

32GB

GDDR5

Memory Type

GDDR6

256bit

Memory Bus

256bit

134.4GB/s

Bandwidth

512.0GB/s

Render Config

14

Compute Units

72

-

1120

Shading Units

4608

56

TMUs

288

32

ROPs

128

-

RT Cores

72

8 KB (per CU)

L1 Cache

128 KB per Array

512 KB

L2 Cache

4 MB

-

L3 Cache

128 MB

Theoretical Performance

28.80 GPixel/s

Pixel Rate

281.6 GPixel/s

50.40 GTexel/s

Texture Rate

633.6 GTexel/s

-

FP16 (half)

40.55 TFLOPS

2.016 TFLOPS

FP32 (float)

20.28 TFLOPS

-

FP64 (double)

1267 GFLOPS

Board Design

300W

TDP

300W

700 W

Suggested PSU

700 W

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

Outputs

No outputs

-

Power Connectors

2x 8-pin

Graphics Processor

Barts

GPU Name

Navi 21

Barts XT (215-0798000)

GPU Variant

Navi 21 XT (215-121000177)

TeraScale 2

Architecture

RDNA 2.0

TSMC

Foundry

TSMC

40 nm

Process Size

7 nm

1.7 billion

Transistors

26.8 billion

255 mm²

Die Size

520 mm²

Graphics Features

11.2 (11_0)

DirectX

12 Ultimate (12_2)

4.4

OpenGL

4.6

1.2

OpenCL

2.1

N/A

Vulkan

1.3

-

5.0

Shader Model

6.5

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