AMD Radeon 550X Mobile vs ATI Mobility Radeon HD 4670

VS

AMD Radeon 550X Mobile

ATI Mobility Radeon HD 4670

We compared two Mobile platform GPUs: 4GB VRAM Radeon 550X Mobile and 512MB VRAM Mobility Radeon HD 4670 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon 550X Mobile 's Advantages

Released 9 years and 3 months late

Boost Clock1287MHz

More VRAM (4GB vs 512GB)

Larger VRAM bandwidth (48.00GB/s vs 25.60GB/s)

320 additional rendering cores

ATI Mobility Radeon HD 4670 's Advantages

Lower TDP (35W vs 50W)

Score

Benchmark

FP32 (float)

Radeon 550X Mobile +281%

1.647 TFLOPS

Mobility Radeon HD 4670

0.432 TFLOPS

Radeon 550X Mobile

VS

Mobility Radeon HD 4670

Graphics Card

Apr 2018

Release Date

Jan 2009

Mobility Radeon

Generation

M9x

Mobile

Type

Mobile

PCIe 3.0 x8

Bus Interface

MXM-A (3.0)

Clock Speeds

1100 MHz

Base Clock

-

1287 MHz

Boost Clock

-

1500 MHz

Memory Clock

800 MHz

Memory

4GB

Memory Size

512MB

GDDR5

Memory Type

GDDR3

64bit

Memory Bus

128bit

48.00GB/s

Bandwidth

25.60GB/s

Render Config

10

Compute Units

4

-

640

Shading Units

320

40

TMUs

32

16

ROPs

8

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

256 KB

L2 Cache

128 KB

-

Theoretical Performance

20.59 GPixel/s

Pixel Rate

5.400 GPixel/s

51.48 GTexel/s

Texture Rate

21.60 GTexel/s

1.647 TFLOPS

FP16 (half)

-

1.647 TFLOPS

FP32 (float)

432.0 GFLOPS

103.0 GFLOPS

FP64 (double)

-

Board Design

50W

TDP

35W

-

No outputs

Outputs

No outputs

None

Power Connectors

-

Graphics Processor

Polaris 23

GPU Name

M96

Polaris 23 MXT

GPU Variant

M96 XT (216-0729051)

GCN 4.0

Architecture

TeraScale

GlobalFoundries

Foundry

TSMC

14 nm

Process Size

55 nm

2.2 billion

Transistors

0.514 billion

103 mm²

Die Size

146 mm²

Graphics Features

12 (12_0)

DirectX

10.1 (10_1)

4.6

OpenGL

3.3

2.1

OpenCL

1.1

1.2

Vulkan

N/A

-

6.4

Shader Model

4.1

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