AMD Radeon RX Vega 56 vs AMD Radeon HD 8870 OEM

VS

AMD Radeon RX Vega 56

AMD Radeon HD 8870 OEM

We compared two Desktop platform GPUs: 8GB VRAM Radeon RX Vega 56 and 2GB VRAM Radeon HD 8870 OEM 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 2GB)

Larger VRAM bandwidth (409.6GB/s vs 153.6GB/s)

2304 additional rendering cores

AMD Radeon HD 8870 OEM 's Advantages

Lower TDP (175W vs 210W)

Score

Benchmark

FP32 (float)

Radeon RX Vega 56 +311%

10.54 TFLOPS

Radeon HD 8870 OEM

2.56 TFLOPS

Radeon RX Vega 56

VS

Radeon HD 8870 OEM

Graphics Card

Aug 2017

Release Date

Jan 2013

Vega

Generation

Sea Islands

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

1156 MHz

Base Clock

-

1471 MHz

Boost Clock

-

800 MHz

Memory Clock

1200 MHz

Memory

8GB

Memory Size

2GB

HBM2

Memory Type

GDDR5

2048bit

Memory Bus

256bit

409.6GB/s

Bandwidth

153.6GB/s

Render Config

56

Compute Units

20

-

3584

Shading Units

1280

224

TMUs

80

64

ROPs

32

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

4 MB

L2 Cache

512 KB

-

Theoretical Performance

94.14 GPixel/s

Pixel Rate

32.00 GPixel/s

329.5 GTexel/s

Texture Rate

80.00 GTexel/s

21.09 TFLOPS

FP16 (half)

-

10.54 TFLOPS

FP32 (float)

2.560 TFLOPS

659.0 GFLOPS

FP64 (double)

160.0 GFLOPS

Board Design

210W

TDP

175W

550 W

Suggested PSU

450 W

1x HDMI 2.0b 3x DisplayPort 1.4a

Outputs

1x DVI 1x HDMI 1.4a 2x mini-DisplayPort 1.2

2x 8-pin

Power Connectors

2x 6-pin

Graphics Processor

Vega 10

GPU Name

Pitcairn

Vega 10 XL (215-0894216)

GPU Variant

Pitcairn XT (215-0828047)

GCN 5.0

Architecture

GCN 1.0

GlobalFoundries

Foundry

TSMC

14 nm

Process Size

28 nm

12.5 billion

Transistors

2.8 billion

495 mm²

Die Size

212 mm²

Graphics Features

12 (12_1)

DirectX

12 (11_1)

4.6

OpenGL

4.6

2.1

OpenCL

1.2

Vulkan

1.2

-

6.4

Shader Model

5.1

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