AMD Radeon RX 460 vs AMD Radeon HD 8870 OEM

VS

AMD Radeon RX 460

AMD Radeon HD 8870 OEM

We compared two Desktop platform GPUs: 2GB VRAM Radeon RX 460 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 460 's Advantages

Released 3 years and 7 months late

Boost Clock1200MHz

Lower TDP (75W vs 175W)

AMD Radeon HD 8870 OEM 's Advantages

Larger VRAM bandwidth (153.6GB/s vs 112.0GB/s)

384 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon RX 460

2.15 TFLOPS

Radeon HD 8870 OEM +19%

2.56 TFLOPS

Radeon RX 460

VS

Radeon HD 8870 OEM

Graphics Card

Aug 2016

Release Date

Jan 2013

Arctic Islands

Generation

Sea Islands

Desktop

Type

Desktop

PCIe 3.0 x8

Bus Interface

PCIe 3.0 x16

Clock Speeds

1090 MHz

Base Clock

-

1200 MHz

Boost Clock

-

1750 MHz

Memory Clock

1200 MHz

Memory

2GB

Memory Size

2GB

GDDR5

Memory Type

GDDR5

128bit

Memory Bus

256bit

112.0GB/s

Bandwidth

153.6GB/s

Render Config

14

Compute Units

20

-

896

Shading Units

1280

56

TMUs

80

16

ROPs

32

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

1024 KB

L2 Cache

512 KB

-

Theoretical Performance

19.20 GPixel/s

Pixel Rate

32.00 GPixel/s

67.20 GTexel/s

Texture Rate

80.00 GTexel/s

2.150 TFLOPS

FP16 (half)

-

2.150 TFLOPS

FP32 (float)

2.560 TFLOPS

134.4 GFLOPS

FP64 (double)

160.0 GFLOPS

Board Design

75W

TDP

175W

250 W

Suggested PSU

450 W

1x DVI 1x HDMI 2.0b 1x DisplayPort 1.4a

Outputs

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

None

Power Connectors

2x 6-pin

Graphics Processor

Baffin

GPU Name

Pitcairn

Baffin PRO

GPU Variant

Pitcairn XT (215-0828047)

GCN 4.0

Architecture

GCN 1.0

GlobalFoundries

Foundry

TSMC

14 nm

Process Size

28 nm

3 billion

Transistors

2.8 billion

123 mm²

Die Size

212 mm²

Graphics Features

12 (12_0)

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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