AMD Radeon RX Vega 56 vs AMD Radeon HD 6870 1600SP Edition

VS

AMD Radeon RX Vega 56

AMD Radeon HD 6870 1600SP Edition

We compared two Desktop platform GPUs: 8GB VRAM Radeon RX Vega 56 and 1024MB VRAM Radeon HD 6870 1600SP Edition 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 4 years and 7 months late

Boost Clock1471MHz

More VRAM (8GB vs 1024GB)

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

1984 additional rendering cores

AMD Radeon HD 6870 1600SP Edition 's Advantages

Lower TDP (175W vs 210W)

Score

Benchmark

FP32 (float)

Radeon RX Vega 56 +287%

10.54 TFLOPS

Radeon HD 6870 1600SP Edition

2.72 TFLOPS

Radeon RX Vega 56

VS

Radeon HD 6870 1600SP Edition

Graphics Card

Aug 2017

Release Date

Jan 2013

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

56

Compute Units

20

-

3584

Shading Units

1600

224

TMUs

80

64

ROPs

32

-

16 KB (per CU)

L1 Cache

8 KB (per CU)

4 MB

L2 Cache

512 KB

-

Theoretical Performance

94.14 GPixel/s

Pixel Rate

27.20 GPixel/s

329.5 GTexel/s

Texture Rate

68.00 GTexel/s

21.09 TFLOPS

FP16 (half)

-

10.54 TFLOPS

FP32 (float)

2.720 TFLOPS

659.0 GFLOPS

FP64 (double)

544.0 GFLOPS

Board Design

210W

TDP

175W

550 W

Suggested PSU

450 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

2x 6-pin

Graphics Processor

Vega 10

GPU Name

Cypress

Vega 10 XL (215-0894216)

GPU Variant

Cypress XT (215-0735033)

GCN 5.0

Architecture

TeraScale 2

GlobalFoundries

Foundry

TSMC

14 nm

Process Size

40 nm

12.5 billion

Transistors

2.154 billion

495 mm²

Die Size

334 mm²

Graphics Features

12 (12_1)

DirectX

11.2 (11_0)

4.6

OpenGL

4.4

2.1

OpenCL

1.2

Vulkan

N/A

-

6.4

Shader Model

5.0

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