AMD Radeon HD 7730M vs AMD Radeon 550X Mobile

VS

AMD Radeon HD 7730M

AMD Radeon 550X Mobile

We compared two Mobile platform GPUs: 2GB VRAM Radeon HD 7730M and 4GB VRAM Radeon 550X Mobile to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 7730M 's Advantages

Lower TDP (25W vs 50W)

AMD Radeon 550X Mobile 's Advantages

Released 6 years late

Boost Clock has increased by 91% (1287MHz vs 675MHz)

More VRAM (4GB vs 2GB)

Larger VRAM bandwidth (48.00GB/s vs 28.80GB/s)

128 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 7730M

0.691 TFLOPS

Radeon 550X Mobile +138%

1.647 TFLOPS

Radeon HD 7730M

VS

Radeon 550X Mobile

Graphics Card

Apr 2012

Release Date

Apr 2018

London

Generation

Mobility Radeon

Mobile

Type

Mobile

PCIe 2.0 x16

Bus Interface

PCIe 3.0 x8

Clock Speeds

575 MHz

Base Clock

1100 MHz

675 MHz

Boost Clock

1287 MHz

900 MHz

Memory Clock

1500 MHz

Memory

2GB

Memory Size

4GB

DDR3

Memory Type

GDDR5

128bit

Memory Bus

64bit

28.80GB/s

Bandwidth

48.00GB/s

Render Config

8

Compute Units

10

-

512

Shading Units

640

32

TMUs

40

16

ROPs

16

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

256 KB

L2 Cache

256 KB

-

Theoretical Performance

10.80 GPixel/s

Pixel Rate

20.59 GPixel/s

21.60 GTexel/s

Texture Rate

51.48 GTexel/s

-

FP16 (half)

1.647 TFLOPS

691.2 GFLOPS

FP32 (float)

1.647 TFLOPS

43.20 GFLOPS

FP64 (double)

103.0 GFLOPS

Board Design

25W

TDP

50W

-

No outputs

Outputs

No outputs

-

Power Connectors

None

Graphics Processor

Chelsea

GPU Name

Polaris 23

Chelsea LE (216-0834065)

GPU Variant

Polaris 23 MXT

GCN 1.0

Architecture

GCN 4.0

TSMC

Foundry

GlobalFoundries

28 nm

Process Size

14 nm

1.5 billion

Transistors

2.2 billion

123 mm²

Die Size

103 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

-

5.1

Shader Model

6.4

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