AMD Radeon R7 M265 vs AMD Radeon R5 M255

VS

AMD Radeon R7 M265

AMD Radeon R5 M255

We compared two Mobile platform GPUs: 2GB VRAM Radeon R7 M265 and 2GB VRAM Radeon R5 M255 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon R5 M255 's Advantages

Released 9 months late

Boost Clock has increased by 14% (940MHz vs 825MHz)

Larger VRAM bandwidth (32.00GB/s vs 28.80GB/s)

Score

Benchmark

FP32 (float)

Radeon R7 M265

0.633 TFLOPS

Radeon R5 M255 +13%

0.721 TFLOPS

Radeon R7 M265

VS

Radeon R5 M255

Graphics Card

Jan 2014

Release Date

Oct 2014

Gem System

Generation

Gem System

Mobile

Type

Mobile

PCIe 3.0 x8

Bus Interface

PCIe 3.0 x8

Clock Speeds

725 MHz

Base Clock

925 MHz

825 MHz

Boost Clock

940 MHz

900 MHz

Memory Clock

1000 MHz

Memory

2GB

Memory Size

2GB

DDR3

Memory Type

DDR3

128bit

Memory Bus

128bit

28.80GB/s

Bandwidth

32.00GB/s

Render Config

6

Compute Units

6

-

384

Shading Units

384

24

TMUs

24

8

ROPs

8

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

256 KB

L2 Cache

256 KB

-

Theoretical Performance

6.600 GPixel/s

Pixel Rate

7.520 GPixel/s

19.80 GTexel/s

Texture Rate

22.56 GTexel/s

-

FP16 (half)

721.9 GFLOPS

633.6 GFLOPS

FP32 (float)

721.9 GFLOPS

-

FP64 (double)

45.12 GFLOPS

Board Design

Unknown

TDP

Unknown

-

Portable Device Dependent

Outputs

Portable Device Dependent

-

Graphics Processor

Opal

GPU Name

Topaz

Opal XT

GPU Variant

Topaz PRO (216-0858030)

GCN 1.0

Architecture

GCN 3.0

TSMC

Foundry

TSMC

28 nm

Process Size

28 nm

0.95 billion

Transistors

1.55 billion

77 mm²

Die Size

125 mm²

Graphics Features

12 (11_1)

DirectX

12 (12_0)

4.6

OpenGL

4.6

2.1 (1.2)

OpenCL

2.1

1.2.170

Vulkan

1.2.170

-

6.5 (5.1)

Shader Model

6.5

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