AMD Radeon R9 M485X vs AMD Radeon R9 M265X

VS

AMD Radeon R9 M485X

AMD Radeon R9 M265X

We compared two Mobile platform GPUs: 8GB VRAM Radeon R9 M485X and 2GB VRAM Radeon R9 M265X to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon R9 M485X 's Advantages

Released 2 years and 2 months late

More VRAM (8GB vs 2GB)

Larger VRAM bandwidth (160.0GB/s vs 64.00GB/s)

1408 additional rendering cores

AMD Radeon R9 M265X 's Advantages

Boost Clock625MHz

Score

Benchmark

FP32 (float)

Radeon R9 M485X +270%

2.961 TFLOPS

Radeon R9 M265X

0.8 TFLOPS

Radeon R9 M485X

VS

Radeon R9 M265X

Graphics Card

May 2016

Release Date

Mar 2014

Crystal System

Generation

Gem System

Mobile

Type

Mobile

MXM-B (3.0)

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

Base Clock

575 MHz

-

Boost Clock

625 MHz

1250 MHz

Memory Clock

1000 MHz

Memory

8GB

Memory Size

2GB

GDDR5

Memory Type

GDDR5

256bit

Memory Bus

128bit

160.0GB/s

Bandwidth

64.00GB/s

Render Config

32

Compute Units

10

-

2048

Shading Units

640

128

TMUs

40

32

ROPs

16

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

512 KB

L2 Cache

256 KB

-

Theoretical Performance

23.14 GPixel/s

Pixel Rate

10.00 GPixel/s

92.54 GTexel/s

Texture Rate

25.00 GTexel/s

2.961 TFLOPS

FP16 (half)

-

2.961 TFLOPS

FP32 (float)

800.0 GFLOPS

185.1 GFLOPS

FP64 (double)

50.00 GFLOPS

Board Design

250W

TDP

Unknown

-

No outputs

Outputs

Portable Device Dependent

None

Power Connectors

-

Graphics Processor

Amethyst

GPU Name

Venus

Amethyst XT

GPU Variant

Venus PRO (216-0846009)

GCN 3.0

Architecture

GCN 1.0

TSMC

Foundry

TSMC

28 nm

Process Size

28 nm

5 billion

Transistors

1.5 billion

366 mm²

Die Size

123 mm²

Graphics Features

12 (12_0)

DirectX

12 (11_1)

4.6

OpenGL

4.6

2.0

OpenCL

2.1 (1.2)

1.2

Vulkan

1.2.170

-

6.3

Shader Model

6.5 (5.1)

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