AMD Radeon R9 M275X vs AMD Radeon HD 7550M

VS

AMD Radeon R9 M275X

AMD Radeon HD 7550M

We compared two Mobile platform GPUs: 2GB VRAM Radeon R9 M275X and 1024MB VRAM Radeon HD 7550M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon R9 M275X 's Advantages

Released 2 years late

Boost Clock has increased by 68% (925MHz vs 550MHz)

More VRAM (2GB vs 1024GB)

Larger VRAM bandwidth (72.00GB/s vs 14.40GB/s)

240 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon R9 M275X +169%

1.184 TFLOPS

Radeon HD 7550M

0.44 TFLOPS

Radeon R9 M275X

VS

Radeon HD 7550M

Graphics Card

Jan 2014

Release Date

Jan 2012

Gem System

Generation

London

Mobile

Type

Mobile

PCIe 3.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

900 MHz

Base Clock

450 MHz

925 MHz

Boost Clock

550 MHz

1125 MHz

Memory Clock

900 MHz

Memory

2GB

Memory Size

1024MB

GDDR5

Memory Type

DDR3

128bit

Memory Bus

64bit

72.00GB/s

Bandwidth

14.40GB/s

Render Config

10

Compute Units

5

-

640

Shading Units

400

40

TMUs

20

16

ROPs

8

-

16 KB (per CU)

L1 Cache

-

256 KB

L2 Cache

-

Theoretical Performance

14.80 GPixel/s

Pixel Rate

4.400 GPixel/s

37.00 GTexel/s

Texture Rate

11.00 GTexel/s

-

1184 GFLOPS

FP32 (float)

440.0 GFLOPS

74.00 GFLOPS

FP64 (double)

-

Board Design

Unknown

TDP

14W

-

Portable Device Dependent

Outputs

No outputs

-

Graphics Processor

Venus

GPU Name

Thames

Venus XTX (216-0846033)

GPU Variant

Thames LP

GCN 1.0

Architecture

TeraScale 2

TSMC

Foundry

TSMC

28 nm

Process Size

40 nm

1.5 billion

Transistors

0.716 billion

123 mm²

Die Size

104 mm²

Graphics Features

12 (11_1)

DirectX

11.2 (11_0)

4.6

OpenGL

4.4

2.1 (1.2)

OpenCL

1.2

1.2.170

Vulkan

N/A

-

6.5 (5.1)

Shader Model

5.0

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