AMD Radeon R7 A265 vs ATI Mobility Radeon HD 5870

VS

AMD Radeon R7 A265

ATI Mobility Radeon HD 5870

We compared two Mobile platform GPUs: 2GB VRAM Radeon R7 A265 and 1024MB VRAM Mobility Radeon HD 5870 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon R7 A265 's Advantages

Released 4 years late

Boost Clock825MHz

More VRAM (2GB vs 1024GB)

ATI Mobility Radeon HD 5870 's Advantages

Larger VRAM bandwidth (64.00GB/s vs 28.80GB/s)

416 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon R7 A265

0.633 TFLOPS

Mobility Radeon HD 5870 +76%

1.12 TFLOPS

Radeon R7 A265

VS

Mobility Radeon HD 5870

Graphics Card

Jan 2014

Release Date

Jan 2010

All-In-One

Generation

Manhattan

Mobile

Type

Mobile

PCIe 3.0 x8

Bus Interface

MXM-B (3.0)

Clock Speeds

725 MHz

Base Clock

-

825 MHz

Boost Clock

-

900 MHz

Memory Clock

1000 MHz

Memory

2GB

Memory Size

1024MB

DDR3

Memory Type

GDDR5

128bit

Memory Bus

128bit

28.80GB/s

Bandwidth

64.00GB/s

Render Config

6

Compute Units

10

-

384

Shading Units

800

24

TMUs

40

8

ROPs

16

-

16 KB (per CU)

L1 Cache

8 KB (per CU)

256 KB

L2 Cache

256 KB

-

Theoretical Performance

6.600 GPixel/s

Pixel Rate

11.20 GPixel/s

19.80 GTexel/s

Texture Rate

28.00 GTexel/s

-

633.6 GFLOPS

FP32 (float)

1120 GFLOPS

39.60 GFLOPS

FP64 (double)

-

Board Design

Unknown

TDP

50W

-

Portable Device Dependent

Outputs

No outputs

-

Graphics Processor

Opal

GPU Name

Broadway

Opal XT

GPU Variant

Broadway XT (216-0769008)

GCN 1.0

Architecture

TeraScale 2

TSMC

Foundry

TSMC

28 nm

Process Size

40 nm

0.95 billion

Transistors

1.04 billion

77 mm²

Die Size

166 mm²

Graphics Features

12 (11_1)

DirectX

11.2 (11_0)

4.6

OpenGL

4.4

2.1 (1.2)

OpenCL

1.2

1.2.170

Vulkan

N/A

-

6.5 (5.1)

Shader Model

5.0

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