AMD Radeon RX 460 Mobile vs AMD Radeon HD 7850M

VS

AMD Radeon RX 460 Mobile

AMD Radeon HD 7850M

We compared two Mobile platform GPUs: 4GB VRAM Radeon RX 460 Mobile and 2GB VRAM Radeon HD 7850M 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 4 years and 4 months late

Boost Clock1180MHz

More VRAM (4GB vs 2GB)

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

256 additional rendering cores

AMD Radeon HD 7850M 's Advantages

Lower TDP (40W vs 55W)

Score

Benchmark

FP32 (float)

Radeon RX 460 Mobile +144%

2.115 TFLOPS

Radeon HD 7850M

0.864 TFLOPS

Radeon RX 460 Mobile

VS

Radeon HD 7850M

Graphics Card

Aug 2016

Release Date

Apr 2012

Mobility Radeon

Generation

London

Mobile

Type

Mobile

MXM-B (3.0)

Bus Interface

PCIe 3.0 x16

Clock Speeds

1000 MHz

Base Clock

-

1180 MHz

Boost Clock

-

1250 MHz

Memory Clock

1000 MHz

Memory

4GB

Memory Size

2GB

GDDR5

Memory Type

GDDR5

128bit

Memory Bus

128bit

80.00GB/s

Bandwidth

64.00GB/s

Render Config

14

Compute Units

10

-

896

Shading Units

640

56

TMUs

40

16

ROPs

16

-

16 KB (per CU)

L1 Cache

16 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)

864.0 GFLOPS

132.2 GFLOPS

FP64 (double)

54.00 GFLOPS

Board Design

55W

TDP

40W

-

No outputs

Outputs

No outputs

None

Power Connectors

-

Graphics Processor

Baffin

GPU Name

Heathrow

Baffin XT

GPU Variant

Heathrow PRO

GCN 4.0

Architecture

GCN 1.0

GlobalFoundries

Foundry

TSMC

14 nm

Process Size

28 nm

3 billion

Transistors

1.5 billion

123 mm²

Die Size

123 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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