AMD Radeon R7 A260 vs ATI Mobility Radeon HD 4870

VS

AMD Radeon R7 A260

ATI Mobility Radeon HD 4870

We compared two Mobile platform GPUs: 1024MB VRAM Radeon R7 A260 and 512MB VRAM Mobility Radeon HD 4870 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon R7 A260 's Advantages

Released 5 years late

Boost Clock980MHz

More VRAM (1024GB vs 512GB)

Larger VRAM bandwidth (57.60GB/s vs 56.83GB/s)

ATI Mobility Radeon HD 4870 's Advantages

416 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon R7 A260

0.752 TFLOPS

Mobility Radeon HD 4870 +17%

0.88 TFLOPS

Radeon R7 A260

VS

Mobility Radeon HD 4870

Graphics Card

Jan 2014

Release Date

Jan 2009

All-In-One

Generation

M9x

Mobile

Type

Mobile

PCIe 3.0 x8

Bus Interface

PCIe 2.0 x16

Clock Speeds

900 MHz

Base Clock

-

980 MHz

Boost Clock

-

900 MHz

Memory Clock

888 MHz

Memory

1024MB

Memory Size

512MB

GDDR5

Memory Type

GDDR3

128bit

Memory Bus

256bit

57.60GB/s

Bandwidth

56.83GB/s

Render Config

6

Compute Units

10

-

384

Shading Units

800

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

8.800 GPixel/s

23.52 GTexel/s

Texture Rate

22.00 GTexel/s

-

752.6 GFLOPS

FP32 (float)

880.0 GFLOPS

-

FP64 (double)

176.0 GFLOPS

Board Design

Unknown

TDP

Unknown

-

Portable Device Dependent

Outputs

Portable Device Dependent

-

Power Connectors

None

Graphics Processor

Topaz

GPU Name

M98

Topaz XT (216-0858020)

GPU Variant

M98 XT L2 (216-0732023)

GCN 3.0

Architecture

TeraScale

TSMC

Foundry

TSMC

28 nm

Process Size

55 nm

1.55 billion

Transistors

0.956 billion

125 mm²

Die Size

256 mm²

Graphics Features

12 (12_0)

DirectX

10.1 (10_1)

4.6

OpenGL

3.3

2.1

OpenCL

1.1

1.2.170

Vulkan

N/A

-

6.5

Shader Model

4.1

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