AMD Radeon 550X Mobile vs ATI Mobility Radeon HD 3450

VS

AMD Radeon 550X Mobile ATI Mobility Radeon HD 3450

We compared two Mobile platform GPUs: 4GB VRAM Radeon 550X Mobile and 256MB VRAM Mobility Radeon HD 3450 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon 550X Mobile 's Advantages

Released 10 years and 3 months late

Boost Clock1287MHz

Larger VRAM bandwidth (48.00GB/s vs 6.400GB/s)

600 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon 550X Mobile +4017%

1.647 TFLOPS

Mobility Radeon HD 3450

0.04 TFLOPS

Radeon 550X Mobile

VS

Mobility Radeon HD 3450

Graphics Card

Apr 2018

Release Date

Jan 2008

Mobility Radeon

Generation

M8x

Mobile

Type

Mobile

PCIe 3.0 x8

Bus Interface

MXM-II

Clock Speeds

1100 MHz

Base Clock

-

1287 MHz

Boost Clock

-

1500 MHz

Memory Clock

400 MHz

Memory

4GB

Memory Size

256MB

GDDR5

Memory Type

DDR2

64bit

Memory Bus

64bit

48.00GB/s

Bandwidth

6.400GB/s

Render Config

-

SM Count

-

10

Compute Units

2

640

Shading Units

40

TMUs

4

16

ROPs

4

-

Tensor Cores

-

RT Cores

-

16 KB (per CU)

L1 Cache

-

256 KB

L2 Cache

64 KB

Theoretical Performance

20.59 GPixel/s

Pixel Rate

2.000 GPixel/s

51.48 GTexel/s

Texture Rate

2.000 GTexel/s

1.647 TFLOPS

FP16 (half)

-

1.647 TFLOPS

FP32 (float)

40.00 GFLOPS

103.0 GFLOPS

FP64 (double)

-

Graphics Processor

Polaris 23

GPU Name

M82

Polaris 23 MXT

GPU Variant

M82-SCE XT (216-0707011)

GCN 4.0

Architecture

TeraScale

GlobalFoundries

Foundry

TSMC

14 nm

Process Size

55 nm

2.2 billion

Transistors

0.181 billion

103 mm²

Die Size

67 mm²

Board Design

50W

TDP

Unknown

-

Suggested PSU

-

No outputs

Outputs

Portable Device Dependent

None

Power Connectors

-

Graphics Features

12 (12_0)

DirectX

10.1

4.6

OpenGL

3.3

2.1

OpenCL

N/A

1.2

Vulkan

N/A

-

CUDA

-

6.4

Shader Model

4.1

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