AMD Radeon HD 8870 OEM vs AMD Radeon RX Vega 64 Limited Edition

VS

AMD Radeon HD 8870 OEM

AMD Radeon RX Vega 64 Limited Edition

We compared two Desktop platform GPUs: 2GB VRAM Radeon HD 8870 OEM and 8GB VRAM Radeon RX Vega 64 Limited Edition to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 8870 OEM 's Advantages

Lower TDP (175W vs 295W)

AMD Radeon RX Vega 64 Limited Edition 's Advantages

Released 4 years and 7 months late

Boost Clock1546MHz

More VRAM (8GB vs 2GB)

Larger VRAM bandwidth (483.8GB/s vs 153.6GB/s)

2816 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 8870 OEM

2.56 TFLOPS

Radeon RX Vega 64 Limited Edition +394%

12.66 TFLOPS

Radeon HD 8870 OEM

VS

Radeon RX Vega 64 Limited Edition

Graphics Card

Jan 2013

Release Date

Aug 2017

Sea Islands

Generation

Vega

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

Base Clock

1247 MHz

-

Boost Clock

1546 MHz

1200 MHz

Memory Clock

945 MHz

Memory

2GB

Memory Size

8GB

GDDR5

Memory Type

HBM2

256bit

Memory Bus

2048bit

153.6GB/s

Bandwidth

483.8GB/s

Render Config

20

Compute Units

64

-

1280

Shading Units

4096

80

TMUs

256

32

ROPs

64

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

512 KB

L2 Cache

4 MB

-

Theoretical Performance

32.00 GPixel/s

Pixel Rate

98.94 GPixel/s

80.00 GTexel/s

Texture Rate

395.8 GTexel/s

-

FP16 (half)

25.33 TFLOPS

2.560 TFLOPS

FP32 (float)

12.66 TFLOPS

160.0 GFLOPS

FP64 (double)

791.6 GFLOPS

Board Design

175W

TDP

295W

450 W

Suggested PSU

600 W

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

Outputs

1x HDMI 2.0b 3x DisplayPort 1.4a

2x 6-pin

Power Connectors

2x 8-pin

Graphics Processor

Pitcairn

GPU Name

Vega 10

Pitcairn XT (215-0828047)

GPU Variant

Vega 10 XT (215-0894200)

GCN 1.0

Architecture

GCN 5.0

TSMC

Foundry

GlobalFoundries

28 nm

Process Size

14 nm

2.8 billion

Transistors

12.5 billion

212 mm²

Die Size

495 mm²

Graphics Features

12 (11_1)

DirectX

12 (12_1)

4.6

OpenGL

4.6

1.2

OpenCL

2.1

1.2

Vulkan

1.2

-

5.1

Shader Model

6.4

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