AMD Radeon HD 7730M vs AMD Radeon R5 M255

VS

AMD Radeon HD 7730M

AMD Radeon R5 M255

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

Main Differences

AMD Radeon HD 7730M 's Advantages

128 additional rendering cores

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)

Score

Benchmark

FP32 (float)

Radeon HD 7730M

0.691 TFLOPS

Radeon R5 M255 +4%

0.721 TFLOPS

Radeon HD 7730M

VS

Radeon R5 M255

Graphics Card

Apr 2012

Release Date

Oct 2014

London

Generation

Gem System

Mobile

Type

Mobile

PCIe 2.0 x16

Bus Interface

PCIe 3.0 x8

Clock Speeds

575 MHz

Base Clock

925 MHz

675 MHz

Boost Clock

940 MHz

900 MHz

Memory Clock

1000 MHz

Memory

2GB

Memory Size

2GB

DDR3

Memory Type

DDR3

128bit

Memory Bus

128bit

28.80GB/s

Bandwidth

32.00GB/s

Render Config

8

Compute Units

6

-

512

Shading Units

384

32

TMUs

24

16

ROPs

8

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

256 KB

L2 Cache

256 KB

-

Theoretical Performance

10.80 GPixel/s

Pixel Rate

7.520 GPixel/s

21.60 GTexel/s

Texture Rate

22.56 GTexel/s

-

FP16 (half)

721.9 GFLOPS

691.2 GFLOPS

FP32 (float)

721.9 GFLOPS

43.20 GFLOPS

FP64 (double)

45.12 GFLOPS

Board Design

25W

TDP

Unknown

-

No outputs

Outputs

Portable Device Dependent

-

Graphics Processor

Chelsea

GPU Name

Topaz

Chelsea LE (216-0834065)

GPU Variant

Topaz PRO (216-0858030)

GCN 1.0

Architecture

GCN 3.0

TSMC

Foundry

TSMC

28 nm

Process Size

28 nm

1.5 billion

Transistors

1.55 billion

123 mm²

Die Size

125 mm²

Graphics Features

12 (11_1)

DirectX

12 (12_0)

4.6

OpenGL

4.6

1.2

OpenCL

2.1

1.2

Vulkan

1.2.170

-

5.1

Shader Model

6.5

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