AMD Radeon R5 M255 vs AMD Radeon HD 7730M

VS

AMD Radeon R5 M255

AMD Radeon HD 7730M

We compared two Mobile platform GPUs: 2GB VRAM Radeon R5 M255 and 2GB VRAM Radeon HD 7730M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon R5 M255 's Advantages

Released 2 years and 6 months late

Boost Clock has increased by 39% (940MHz vs 675MHz)

Larger VRAM bandwidth (32.00GB/s vs 28.80GB/s)

AMD Radeon HD 7730M 's Advantages

128 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon R5 M255 +4%

0.721 TFLOPS

Radeon HD 7730M

0.691 TFLOPS

Radeon R5 M255

VS

Radeon HD 7730M

Graphics Card

Oct 2014

Release Date

Apr 2012

Gem System

Generation

London

Mobile

Type

Mobile

PCIe 3.0 x8

Bus Interface

PCIe 2.0 x16

Clock Speeds

925 MHz

Base Clock

575 MHz

940 MHz

Boost Clock

675 MHz

1000 MHz

Memory Clock

900 MHz

Memory

2GB

Memory Size

2GB

DDR3

Memory Type

DDR3

128bit

Memory Bus

128bit

32.00GB/s

Bandwidth

28.80GB/s

Render Config

6

Compute Units

8

-

384

Shading Units

512

24

TMUs

32

8

ROPs

16

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

256 KB

L2 Cache

256 KB

-

Theoretical Performance

7.520 GPixel/s

Pixel Rate

10.80 GPixel/s

22.56 GTexel/s

Texture Rate

21.60 GTexel/s

721.9 GFLOPS

FP16 (half)

-

721.9 GFLOPS

FP32 (float)

691.2 GFLOPS

45.12 GFLOPS

FP64 (double)

43.20 GFLOPS

Board Design

Unknown

TDP

25W

-

Portable Device Dependent

Outputs

No outputs

-

Graphics Processor

Topaz

GPU Name

Chelsea

Topaz PRO (216-0858030)

GPU Variant

Chelsea LE (216-0834065)

GCN 3.0

Architecture

GCN 1.0

TSMC

Foundry

TSMC

28 nm

Process Size

28 nm

1.55 billion

Transistors

1.5 billion

125 mm²

Die Size

123 mm²

Graphics Features

12 (12_0)

DirectX

12 (11_1)

4.6

OpenGL

4.6

2.1

OpenCL

1.2

1.2.170

Vulkan

1.2

-

6.5

Shader Model

5.1

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