AMD Radeon R7 A260 vs AMD Radeon HD 7850M

VS

AMD Radeon R7 A260

AMD Radeon HD 7850M

We compared two Mobile platform GPUs: 1024MB VRAM Radeon R7 A260 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 R7 A260 's Advantages

Released 1 years and 9 months late

Boost Clock980MHz

AMD Radeon HD 7850M 's Advantages

More VRAM (2GB vs 1024GB)

Larger VRAM bandwidth (64.00GB/s vs 57.60GB/s)

256 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon R7 A260

0.752 TFLOPS

Radeon HD 7850M +14%

0.864 TFLOPS

Radeon R7 A260

VS

Radeon HD 7850M

Graphics Card

Jan 2014

Release Date

Apr 2012

All-In-One

Generation

London

Mobile

Type

Mobile

PCIe 3.0 x8

Bus Interface

PCIe 3.0 x16

Clock Speeds

900 MHz

Base Clock

-

980 MHz

Boost Clock

-

900 MHz

Memory Clock

1000 MHz

Memory

1024MB

Memory Size

2GB

GDDR5

Memory Type

GDDR5

128bit

Memory Bus

128bit

57.60GB/s

Bandwidth

64.00GB/s

Render Config

6

Compute Units

10

-

384

Shading Units

640

24

TMUs

40

8

ROPs

16

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

256 KB

L2 Cache

256 KB

-

Theoretical Performance

7.840 GPixel/s

Pixel Rate

10.80 GPixel/s

23.52 GTexel/s

Texture Rate

27.00 GTexel/s

-

752.6 GFLOPS

FP32 (float)

864.0 GFLOPS

-

FP64 (double)

54.00 GFLOPS

Board Design

Unknown

TDP

40W

-

Portable Device Dependent

Outputs

No outputs

-

Graphics Processor

Topaz

GPU Name

Heathrow

Topaz XT (216-0858020)

GPU Variant

Heathrow PRO

GCN 3.0

Architecture

GCN 1.0

TSMC

Foundry

TSMC

28 nm

Process Size

28 nm

1.55 billion

Transistors

1.5 billion

125 mm²

Die Size

123 mm²

Graphics Features

12 (12_0)

DirectX

12 (11_1)

4.6

OpenGL

4.6

2.1

OpenCL

1.2

1.2.170

Vulkan

1.2

-

6.5

Shader Model

5.1

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