AMD Radeon R7 A265 vs AMD Radeon R9 M275X

VS

AMD Radeon R7 A265

AMD Radeon R9 M275X

We compared two Mobile platform GPUs: 2GB VRAM Radeon R7 A265 and 2GB VRAM Radeon R9 M275X to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon R9 M275X 's Advantages

Boost Clock has increased by 12% (925MHz vs 825MHz)

Larger VRAM bandwidth (72.00GB/s vs 28.80GB/s)

256 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon R7 A265

0.633 TFLOPS

Radeon R9 M275X +87%

1.184 TFLOPS

Radeon R7 A265

VS

Radeon R9 M275X

Graphics Card

Jan 2014

Release Date

Jan 2014

All-In-One

Generation

Gem System

Mobile

Type

Mobile

PCIe 3.0 x8

Bus Interface

PCIe 3.0 x16

Clock Speeds

725 MHz

Base Clock

900 MHz

825 MHz

Boost Clock

925 MHz

900 MHz

Memory Clock

1125 MHz

Memory

2GB

Memory Size

2GB

DDR3

Memory Type

GDDR5

128bit

Memory Bus

128bit

28.80GB/s

Bandwidth

72.00GB/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

14.80 GPixel/s

19.80 GTexel/s

Texture Rate

37.00 GTexel/s

-

633.6 GFLOPS

FP32 (float)

1184 GFLOPS

39.60 GFLOPS

FP64 (double)

74.00 GFLOPS

Board Design

Unknown

TDP

Unknown

-

Portable Device Dependent

Outputs

Portable Device Dependent

-

Graphics Processor

Opal

GPU Name

Venus

Opal XT

GPU Variant

Venus XTX (216-0846033)

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

2.1 (1.2)

1.2.170

Vulkan

1.2.170

-

6.5 (5.1)

Shader Model

6.5 (5.1)

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