AMD Radeon Pro Vega II Duo vs AMD Radeon HD 6870 X2

VS

AMD Radeon Pro Vega II Duo

AMD Radeon HD 6870 X2

We compared two Desktop platform GPUs: 32GB VRAM Radeon Pro Vega II Duo and 1024MB VRAM Radeon HD 6870 X2 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon Pro Vega II Duo 's Advantages

Released 7 years and 11 months late

Boost Clock1720MHz

More VRAM (32GB vs 1024GB)

Larger VRAM bandwidth (1020GB/s vs 134.4GB/s)

2976 additional rendering cores

AMD Radeon HD 6870 X2 's Advantages

Lower TDP (300W vs 475W)

Score

Benchmark

FP32 (float)

Radeon Pro Vega II Duo +598%

14.09 TFLOPS

Radeon HD 6870 X2

2.016 TFLOPS

Radeon Pro Vega II Duo

VS

Radeon HD 6870 X2

Graphics Card

Jun 2019

Release Date

Jul 2011

Radeon Pro Mac

Generation

Northern Islands

Desktop

Type

Desktop

Apple MPX

Bus Interface

PCIe 2.0 x16

Clock Speeds

1400 MHz

Base Clock

-

1720 MHz

Boost Clock

-

1000 MHz

Memory Clock

1050 MHz

Memory

32GB

Memory Size

1024MB

HBM2

Memory Type

GDDR5

4096bit

Memory Bus

256bit

1020GB/s

Bandwidth

134.4GB/s

Render Config

64

Compute Units

14

-

4096

Shading Units

1120

256

TMUs

56

64

ROPs

32

-

16 KB (per CU)

L1 Cache

8 KB (per CU)

4 MB

L2 Cache

512 KB

-

Theoretical Performance

110.1 GPixel/s

Pixel Rate

28.80 GPixel/s

440.3 GTexel/s

Texture Rate

50.40 GTexel/s

28.18 TFLOPS

FP16 (half)

-

14.09 TFLOPS

FP32 (float)

2.016 TFLOPS

7.045 TFLOPS

FP64 (double)

-

Board Design

475W

TDP

300W

850 W

Suggested PSU

700 W

1x HDMI 2.0b 4x Thunderbolt

Outputs

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

None

Power Connectors

-

Graphics Processor

Vega 20

GPU Name

Barts

Vega 20 XT

GPU Variant

Barts XT (215-0798000)

GCN 5.1

Architecture

TeraScale 2

TSMC

Foundry

TSMC

7 nm

Process Size

40 nm

13.23 billion

Transistors

1.7 billion

331 mm²

Die Size

255 mm²

Graphics Features

12 (12_1)

DirectX

11.2 (11_0)

4.6

OpenGL

4.4

2.1

OpenCL

1.2

1.3

Vulkan

N/A

-

6.7

Shader Model

5.0

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