AMD Radeon R7 M265 vs AMD Radeon R9 M295X Mac Edition

VS

AMD Radeon R7 M265

AMD Radeon R9 M295X Mac Edition

We compared two Mobile platform GPUs: 2GB VRAM Radeon R7 M265 and 4GB VRAM Radeon R9 M295X Mac Edition to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon R7 M265 's Advantages

Boost Clock825MHz

AMD Radeon R9 M295X Mac Edition 's Advantages

Released 10 months late

More VRAM (4GB vs 2GB)

Larger VRAM bandwidth (174.3GB/s vs 28.80GB/s)

1664 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon R7 M265

0.633 TFLOPS

Radeon R9 M295X Mac Edition +450%

3.482 TFLOPS

Radeon R7 M265

VS

Radeon R9 M295X Mac Edition

Graphics Card

Jan 2014

Release Date

Nov 2014

Gem System

Generation

Crystal System

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

1362 MHz

Memory

2GB

Memory Size

4GB

DDR3

Memory Type

GDDR5

128bit

Memory Bus

256bit

28.80GB/s

Bandwidth

174.3GB/s

Render Config

6

Compute Units

32

-

384

Shading Units

2048

24

TMUs

128

8

ROPs

32

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

256 KB

L2 Cache

512 KB

-

Theoretical Performance

6.600 GPixel/s

Pixel Rate

27.20 GPixel/s

19.80 GTexel/s

Texture Rate

108.8 GTexel/s

-

FP16 (half)

3.482 TFLOPS

633.6 GFLOPS

FP32 (float)

3.482 TFLOPS

-

FP64 (double)

217.6 GFLOPS

Board Design

Unknown

TDP

250W

-

Portable Device Dependent

Outputs

No outputs

-

Graphics Processor

Opal

GPU Name

Amethyst

Opal XT

GPU Variant

Amethyst XT

GCN 1.0

Architecture

GCN 3.0

TSMC

Foundry

TSMC

28 nm

Process Size

28 nm

0.95 billion

Transistors

5 billion

77 mm²

Die Size

366 mm²

Graphics Features

12 (11_1)

DirectX

12 (12_0)

4.6

OpenGL

4.6

2.1 (1.2)

OpenCL

2.0

1.2.170

Vulkan

1.2

-

6.5 (5.1)

Shader Model

6.3

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