ATI Mobility Radeon HD 5870 vs AMD Radeon R5 A255

VS

ATI Mobility Radeon HD 5870

AMD Radeon R5 A255

We compared two Mobile platform GPUs: 1024MB VRAM Mobility Radeon HD 5870 and 1024MB VRAM Radeon R5 A255 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

ATI Mobility Radeon HD 5870 's Advantages

416 additional rendering cores

AMD Radeon R5 A255 's Advantages

Released 4 years late

Boost Clock940MHz

Score

Benchmark

FP32 (float)

Mobility Radeon HD 5870 +55%

1.12 TFLOPS

Radeon R5 A255

0.721 TFLOPS

Mobility Radeon HD 5870

VS

Radeon R5 A255

Graphics Card

Jan 2010

Release Date

Jan 2014

Manhattan

Generation

All-In-One

Mobile

Type

Mobile

MXM-B (3.0)

Bus Interface

PCIe 3.0 x8

Clock Speeds

-

Base Clock

925 MHz

-

Boost Clock

940 MHz

1000 MHz

Memory Clock

1000 MHz

Memory

1024MB

Memory Size

1024MB

GDDR5

Memory Type

GDDR5

128bit

Memory Bus

128bit

64.00GB/s

Bandwidth

64.00GB/s

Render Config

10

Compute Units

6

-

800

Shading Units

384

40

TMUs

24

16

ROPs

8

-

8 KB (per CU)

L1 Cache

16 KB (per CU)

256 KB

L2 Cache

256 KB

-

Theoretical Performance

11.20 GPixel/s

Pixel Rate

7.520 GPixel/s

28.00 GTexel/s

Texture Rate

22.56 GTexel/s

-

1120 GFLOPS

FP32 (float)

721.9 GFLOPS

-

Board Design

50W

TDP

Unknown

-

No outputs

Outputs

Portable Device Dependent

-

Graphics Processor

Broadway

GPU Name

Topaz

Broadway XT (216-0769008)

GPU Variant

Topaz PRO (216-0858030)

TeraScale 2

Architecture

GCN 3.0

TSMC

Foundry

TSMC

40 nm

Process Size

28 nm

1.04 billion

Transistors

1.55 billion

166 mm²

Die Size

125 mm²

Graphics Features

11.2 (11_0)

DirectX

12 (12_0)

4.4

OpenGL

4.6

1.2

OpenCL

2.1

N/A

Vulkan

1.2.170

-

5.0

Shader Model

6.5

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