AMD Radeon VII vs AMD Radeon HD 8870 OEM

VS

AMD Radeon VII

AMD Radeon HD 8870 OEM

We compared two Desktop platform GPUs: 16GB VRAM Radeon VII 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 VII 's Advantages

Released 6 years and 1 months late

Boost Clock1750MHz

More VRAM (16GB vs 2GB)

Larger VRAM bandwidth (1020GB/s vs 153.6GB/s)

2560 additional rendering cores

AMD Radeon HD 8870 OEM 's Advantages

Lower TDP (175W vs 295W)

Score

Benchmark

FP32 (float)

Radeon VII +425%

13.44 TFLOPS

Radeon HD 8870 OEM

2.56 TFLOPS

Radeon VII

VS

Radeon HD 8870 OEM

Graphics Card

Feb 2019

Release Date

Jan 2013

Vega II

Generation

Sea Islands

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

1400 MHz

Base Clock

-

1750 MHz

Boost Clock

-

1000 MHz

Memory Clock

1200 MHz

Memory

16GB

Memory Size

2GB

HBM2

Memory Type

GDDR5

4096bit

Memory Bus

256bit

1020GB/s

Bandwidth

153.6GB/s

Render Config

60

Compute Units

20

-

3840

Shading Units

1280

240

TMUs

80

64

ROPs

32

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

4 MB

L2 Cache

512 KB

-

Theoretical Performance

112.0 GPixel/s

Pixel Rate

32.00 GPixel/s

420.0 GTexel/s

Texture Rate

80.00 GTexel/s

26.88 TFLOPS

FP16 (half)

-

13.44 TFLOPS

FP32 (float)

2.560 TFLOPS

3.360 TFLOPS

FP64 (double)

160.0 GFLOPS

Board Design

295W

TDP

175W

600 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 20

GPU Name

Pitcairn

Vega 20 XT

GPU Variant

Pitcairn XT (215-0828047)

GCN 5.1

Architecture

GCN 1.0

TSMC

Foundry

TSMC

7 nm

Process Size

28 nm

13.23 billion

Transistors

2.8 billion

331 mm²

Die Size

212 mm²

Graphics Features

12 (12_1)

DirectX

12 (11_1)

4.6

OpenGL

4.6

2.1

OpenCL

1.2

1.3

Vulkan

1.2

-

6.7

Shader Model

5.1

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