AMD Radeon RX Vega 56 vs AMD Radeon HD 6870 X2

VS

AMD Radeon RX Vega 56 AMD Radeon HD 6870 X2

We compared two Desktop platform GPUs: 8GB VRAM Radeon RX Vega 56 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 RX Vega 56 's Advantages

Released 6 years and 1 months late

Boost Clock1471MHz

More VRAM (8GB vs 1GB)

Larger VRAM bandwidth (409.6GB/s vs 134.4GB/s)

2464 additional rendering cores

Lower TDP (210W vs 300W)

Score

Benchmark

FP32 (float)

Radeon RX Vega 56 +422%

10.54 TFLOPS

Radeon HD 6870 X2

2.016 TFLOPS

Radeon RX Vega 56

VS

Radeon HD 6870 X2

Graphics Card

Aug 2017

Release Date

Jul 2011

Vega

Generation

Northern Islands

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

1156 MHz

Base Clock

-

1471 MHz

Boost Clock

-

800 MHz

Memory Clock

1050 MHz

Memory

8GB

Memory Size

1024MB

HBM2

Memory Type

GDDR5

2048bit

Memory Bus

256bit

409.6GB/s

Bandwidth

134.4GB/s

Render Config

-

SM Count

-

56

Compute Units

14

3584

Shading Units

1120

224

TMUs

56

64

ROPs

32

-

Tensor Cores

-

RT Cores

-

16 KB (per CU)

L1 Cache

8 KB (per CU)

4 MB

L2 Cache

512 KB

Theoretical Performance

94.14 GPixel/s

Pixel Rate

28.80 GPixel/s

329.5 GTexel/s

Texture Rate

50.40 GTexel/s

21.09 TFLOPS

FP16 (half)

-

10.54 TFLOPS

FP32 (float)

2.016 TFLOPS

659.0 GFLOPS

FP64 (double)

-

Graphics Processor

Vega 10

GPU Name

Barts

Vega 10 XL (215-0894216)

GPU Variant

Barts XT (215-0798000)

GCN 5.0

Architecture

TeraScale 2

GlobalFoundries

Foundry

TSMC

14 nm

Process Size

40 nm

12.5 billion

Transistors

1.7 billion

495 mm²

Die Size

255 mm²

Board Design

210W

TDP

300W

550 W

Suggested PSU

700 W

1x HDMI 2.0b 3x DisplayPort 1.4a

Outputs

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

2x 8-pin

Power Connectors

-

Graphics Features

12 (12_1)

DirectX

11.2 (11_0)

4.6

OpenGL

4.4

2.1

OpenCL

1.2

Vulkan

N/A

-

CUDA

-

6.4

Shader Model

5.0

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