AMD Radeon R7 A265 vs AMD Radeon HD 7850M

VS

AMD Radeon R7 A265

AMD Radeon HD 7850M

We compared two Mobile platform GPUs: 2GB VRAM Radeon R7 A265 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 A265 's Advantages

Released 1 years and 9 months late

Boost Clock825MHz

AMD Radeon HD 7850M 's Advantages

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

256 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon R7 A265

0.633 TFLOPS

Radeon HD 7850M +36%

0.864 TFLOPS

Radeon R7 A265

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

725 MHz

Base Clock

-

825 MHz

Boost Clock

-

900 MHz

Memory Clock

1000 MHz

Memory

2GB

Memory Size

2GB

DDR3

Memory Type

GDDR5

128bit

Memory Bus

128bit

28.80GB/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

6.600 GPixel/s

Pixel Rate

10.80 GPixel/s

19.80 GTexel/s

Texture Rate

27.00 GTexel/s

-

633.6 GFLOPS

FP32 (float)

864.0 GFLOPS

39.60 GFLOPS

FP64 (double)

54.00 GFLOPS

Board Design

Unknown

TDP

40W

-

Portable Device Dependent

Outputs

No outputs

-

Graphics Processor

Opal

GPU Name

Heathrow

Opal XT

GPU Variant

Heathrow PRO

GCN 1.0

Architecture

GCN 1.0

TSMC

Foundry

TSMC

28 nm

Process Size

28 nm

0.95 billion

Transistors

1.5 billion

77 mm²

Die Size

123 mm²

Graphics Features

12 (11_1)

DirectX

12 (11_1)

4.6

OpenGL

4.6

2.1 (1.2)

OpenCL

1.2

1.2.170

Vulkan

1.2

-

6.5 (5.1)

Shader Model

5.1

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