AMD Radeon HD 7470M vs AMD Radeon R9 M275

VS

AMD Radeon HD 7470M

AMD Radeon R9 M275

We compared two Mobile platform GPUs: 1024MB VRAM Radeon HD 7470M 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 M275 's Advantages

Released 2 years late

Boost Clock has increased by 16% (925MHz vs 800MHz)

More VRAM (2GB vs 1024GB)

Larger VRAM bandwidth (64.00GB/s vs 14.40GB/s)

480 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 7470M

0.256 TFLOPS

Radeon R9 M275 +362%

1.184 TFLOPS

Radeon HD 7470M

VS

Radeon R9 M275

Graphics Card

Jan 2012

Release Date

Jan 2014

London

Generation

Gem System

Mobile

Type

Mobile

PCIe 2.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

750 MHz

Base Clock

900 MHz

800 MHz

Boost Clock

925 MHz

900 MHz

Memory Clock

1000 MHz

Memory

1024MB

Memory Size

2GB

DDR3

Memory Type

GDDR5

64bit

Memory Bus

128bit

14.40GB/s

Bandwidth

64.00GB/s

Render Config

2

Compute Units

10

-

160

Shading Units

640

8

TMUs

40

4

ROPs

16

-

8 KB (per CU)

L1 Cache

16 KB (per CU)

128 KB

L2 Cache

256 KB

-

Theoretical Performance

3.200 GPixel/s

Pixel Rate

14.80 GPixel/s

6.400 GTexel/s

Texture Rate

37.00 GTexel/s

-

256.0 GFLOPS

FP32 (float)

1184 GFLOPS

-

FP64 (double)

74.00 GFLOPS

Board Design

25W

TDP

Unknown

-

No outputs

Outputs

Portable Device Dependent

-

Graphics Processor

Seymour

GPU Name

Venus

Seymour XT (216-0810084)

GPU Variant

Venus XTX (216-0846033)

TeraScale 2

Architecture

GCN 1.0

TSMC

Foundry

TSMC

40 nm

Process Size

28 nm

0.37 billion

Transistors

1.5 billion

67 mm²

Die Size

123 mm²

Graphics Features

11.2 (11_0)

DirectX

12 (11_1)

4.4

OpenGL

4.6

1.2

OpenCL

2.1 (1.2)

N/A

Vulkan

1.2.170

-

5.0

Shader Model

6.5 (5.1)

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