AMD Radeon HD 7850M vs AMD Radeon R7 A265

VS

AMD Radeon HD 7850M

AMD Radeon R7 A265

We compared two Mobile platform GPUs: 2GB VRAM Radeon HD 7850M and 2GB VRAM Radeon R7 A265 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 7850M 's Advantages

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

256 additional rendering cores

AMD Radeon R7 A265 's Advantages

Released 1 years and 9 months late

Boost Clock825MHz

Score

Benchmark

FP32 (float)

Radeon HD 7850M +36%

0.864 TFLOPS

Radeon R7 A265

0.633 TFLOPS

Radeon HD 7850M

VS

Radeon R7 A265

Graphics Card

Apr 2012

Release Date

Jan 2014

London

Generation

All-In-One

Mobile

Type

Mobile

PCIe 3.0 x16

Bus Interface

PCIe 3.0 x8

Clock Speeds

-

Base Clock

725 MHz

-

Boost Clock

825 MHz

1000 MHz

Memory Clock

900 MHz

Memory

2GB

Memory Size

2GB

GDDR5

Memory Type

DDR3

128bit

Memory Bus

128bit

64.00GB/s

Bandwidth

28.80GB/s

Render Config

10

Compute Units

6

-

640

Shading Units

384

40

TMUs

24

16

ROPs

8

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

256 KB

L2 Cache

256 KB

-

Theoretical Performance

10.80 GPixel/s

Pixel Rate

6.600 GPixel/s

27.00 GTexel/s

Texture Rate

19.80 GTexel/s

-

864.0 GFLOPS

FP32 (float)

633.6 GFLOPS

54.00 GFLOPS

FP64 (double)

39.60 GFLOPS

Board Design

40W

TDP

Unknown

-

No outputs

Outputs

Portable Device Dependent

-

Graphics Processor

Heathrow

GPU Name

Opal

Heathrow PRO

GPU Variant

Opal XT

GCN 1.0

Architecture

GCN 1.0

TSMC

Foundry

TSMC

28 nm

Process Size

28 nm

1.5 billion

Transistors

0.95 billion

123 mm²

Die Size

77 mm²

Graphics Features

12 (11_1)

DirectX

12 (11_1)

4.6

OpenGL

4.6

1.2

OpenCL

2.1 (1.2)

1.2

Vulkan

1.2.170

-

5.1

Shader Model

6.5 (5.1)

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