AMD Radeon RX 460 Mobile vs AMD Radeon HD 6870M

VS

AMD Radeon RX 460 Mobile

AMD Radeon HD 6870M

We compared two Mobile platform GPUs: 4GB VRAM Radeon RX 460 Mobile and 1024MB VRAM Radeon HD 6870M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon RX 460 Mobile 's Advantages

Released 5 years and 7 months late

Boost Clock1180MHz

More VRAM (4GB vs 1024GB)

Larger VRAM bandwidth (80.00GB/s vs 64.00GB/s)

96 additional rendering cores

AMD Radeon HD 6870M 's Advantages

Lower TDP (50W vs 55W)

Score

Benchmark

FP32 (float)

Radeon RX 460 Mobile +95%

2.115 TFLOPS

Radeon HD 6870M

1.08 TFLOPS

Radeon RX 460 Mobile

VS

Radeon HD 6870M

Graphics Card

Aug 2016

Release Date

Jan 2011

Mobility Radeon

Generation

Vancouver

Mobile

Type

Mobile

MXM-B (3.0)

Bus Interface

MXM-B (3.0)

Clock Speeds

1000 MHz

Base Clock

-

1180 MHz

Boost Clock

-

1250 MHz

Memory Clock

1000 MHz

Memory

4GB

Memory Size

1024MB

GDDR5

Memory Type

GDDR5

128bit

Memory Bus

128bit

80.00GB/s

Bandwidth

64.00GB/s

Render Config

14

Compute Units

10

-

896

Shading Units

800

56

TMUs

40

16

ROPs

16

-

16 KB (per CU)

L1 Cache

8 KB (per CU)

1024 KB

L2 Cache

256 KB

-

Theoretical Performance

18.88 GPixel/s

Pixel Rate

10.80 GPixel/s

66.08 GTexel/s

Texture Rate

27.00 GTexel/s

2.115 TFLOPS

FP16 (half)

-

2.115 TFLOPS

FP32 (float)

1080 GFLOPS

132.2 GFLOPS

FP64 (double)

-

Board Design

55W

TDP

50W

-

No outputs

Outputs

No outputs

None

Power Connectors

-

Graphics Processor

Baffin

GPU Name

Granville

Baffin XT

GPU Variant

Granville XT (216-0769024)

GCN 4.0

Architecture

TeraScale 2

GlobalFoundries

Foundry

TSMC

14 nm

Process Size

40 nm

3 billion

Transistors

1.04 billion

123 mm²

Die Size

166 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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