AMD Radeon HD 6450M vs AMD Radeon 550X Mobile

VS

AMD Radeon HD 6450M

AMD Radeon 550X Mobile

We compared two Mobile platform GPUs: 1024MB VRAM Radeon HD 6450M 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 550X Mobile 's Advantages

Released 7 years and 3 months late

Boost Clock1287MHz

More VRAM (4GB vs 1024GB)

Larger VRAM bandwidth (48.00GB/s vs 12.80GB/s)

480 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 6450M

0.192 TFLOPS

Radeon 550X Mobile +757%

1.647 TFLOPS

Radeon HD 6450M

VS

Radeon 550X Mobile

Graphics Card

Jan 2011

Release Date

Apr 2018

Vancouver

Generation

Mobility Radeon

Mobile

Type

Mobile

PCIe 2.0 x16

Bus Interface

PCIe 3.0 x8

Clock Speeds

-

Base Clock

1100 MHz

-

Boost Clock

1287 MHz

800 MHz

Memory Clock

1500 MHz

Memory

1024MB

Memory Size

4GB

DDR3

Memory Type

GDDR5

64bit

Memory Bus

64bit

12.80GB/s

Bandwidth

48.00GB/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

2.400 GPixel/s

Pixel Rate

20.59 GPixel/s

4.800 GTexel/s

Texture Rate

51.48 GTexel/s

-

FP16 (half)

1.647 TFLOPS

192.0 GFLOPS

FP32 (float)

1.647 TFLOPS

-

FP64 (double)

103.0 GFLOPS

Board Design

Unknown

TDP

50W

-

Portable Device Dependent

Outputs

No outputs

-

Power Connectors

None

Graphics Processor

Seymour

GPU Name

Polaris 23

Seymour PRO S3 (216-0809024)

GPU Variant

Polaris 23 MXT

TeraScale 2

Architecture

GCN 4.0

TSMC

Foundry

GlobalFoundries

40 nm

Process Size

14 nm

0.37 billion

Transistors

2.2 billion

67 mm²

Die Size

103 mm²

Graphics Features

11.2 (11_0)

DirectX

12 (12_0)

4.4

OpenGL

4.6

1.2

OpenCL

2.1

N/A

Vulkan

1.2

-

5.0

Shader Model

6.4

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