AMD Radeon RX 460 1024SP vs AMD Radeon HD 6870

VS

AMD Radeon RX 460 1024SP

AMD Radeon HD 6870

We compared two Desktop platform GPUs: 2GB VRAM Radeon RX 460 1024SP and 1024MB VRAM Radeon HD 6870 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon RX 460 1024SP 's Advantages

Released 6 years and 3 months late

Boost Clock1200MHz

More VRAM (2GB vs 1024GB)

Lower TDP (75W vs 151W)

AMD Radeon HD 6870 's Advantages

Larger VRAM bandwidth (134.4GB/s vs 112.0GB/s)

96 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon RX 460 1024SP +21%

2.458 TFLOPS

Radeon HD 6870

2.016 TFLOPS

Radeon RX 460 1024SP

VS

Radeon HD 6870

Graphics Card

Jan 2017

Release Date

Oct 2010

Arctic Islands

Generation

Northern Islands

Desktop

Type

Desktop

PCIe 3.0 x8

Bus Interface

PCIe 2.0 x16

Clock Speeds

1090 MHz

Base Clock

-

1200 MHz

Boost Clock

-

1750 MHz

Memory Clock

1050 MHz

Memory

2GB

Memory Size

1024MB

GDDR5

Memory Type

GDDR5

128bit

Memory Bus

256bit

112.0GB/s

Bandwidth

134.4GB/s

Render Config

16

Compute Units

14

-

1024

Shading Units

1120

64

TMUs

56

16

ROPs

32

-

16 KB (per CU)

L1 Cache

8 KB (per CU)

1024 KB

L2 Cache

512 KB

-

Theoretical Performance

19.20 GPixel/s

Pixel Rate

28.80 GPixel/s

76.80 GTexel/s

Texture Rate

50.40 GTexel/s

2.458 TFLOPS

FP16 (half)

-

2.458 TFLOPS

FP32 (float)

2.016 TFLOPS

153.6 GFLOPS

FP64 (double)

-

Board Design

75W

TDP

151W

250 W

Suggested PSU

450 W

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

Outputs

2x DVI 1x HDMI 1.3a 2x mini-DisplayPort 1.1

None

Power Connectors

2x 6-pin

Graphics Processor

Baffin

GPU Name

Barts

Baffin XT

GPU Variant

Barts XT (215-0798000)

GCN 4.0

Architecture

TeraScale 2

GlobalFoundries

Foundry

TSMC

14 nm

Process Size

40 nm

3 billion

Transistors

1.7 billion

123 mm²

Die Size

255 mm²

Graphics Features

12 (12_0)

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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