AMD Radeon R9 M485X vs AMD Radeon R9 M275

VS

We compared two Mobile platform GPUs: 8GB VRAM Radeon R9 M485X and 2GB VRAM Radeon R9 M275 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 4 months late

More VRAM (8GB vs 2GB)

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

1408 additional rendering cores

AMD Radeon R9 M275 's Advantages

Boost Clock925MHz

Score

Benchmark

FP32 (float)

Radeon R9 M485X +150%

2.961 TFLOPS

Radeon R9 M275

1.184 TFLOPS

Radeon R9 M485X

VS

Radeon R9 M275

Graphics Card

May 2016

Release Date

Jan 2014

Crystal System

Generation

Gem System

Mobile

Type

Mobile

MXM-B (3.0)

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

Base Clock

900 MHz

-

Boost Clock

925 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

-

SM Count

-

32

Compute Units

10

2048

Shading Units

640

128

TMUs

40

32

ROPs

16

-

Tensor Cores

-

RT Cores

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

512 KB

L2 Cache

256 KB

Theoretical Performance

23.14 GPixel/s

Pixel Rate

14.80 GPixel/s

92.54 GTexel/s

Texture Rate

37.00 GTexel/s

2.961 TFLOPS

FP16 (half)

-

2.961 TFLOPS

FP32 (float)

1184 GFLOPS

185.1 GFLOPS

FP64 (double)

74.00 GFLOPS

Graphics Processor

Amethyst

GPU Name

Venus

Amethyst XT

GPU Variant

Venus XTX (216-0846033)

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

Board Design

250W

TDP

Unknown

-

Suggested PSU

-

No outputs

Outputs

Portable Device Dependent

None

Power Connectors

-

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

-

CUDA

-

6.3

Shader Model

6.5 (5.1)

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