AMD Radeon RX 550X Mobile vs ATI Mobility Radeon HD 3670

VS

AMD Radeon RX 550X Mobile

ATI Mobility Radeon HD 3670

We compared two Mobile platform GPUs: 2GB VRAM Radeon RX 550X Mobile and 256MB VRAM Mobility Radeon HD 3670 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon RX 550X Mobile 's Advantages

Released 10 years and 3 months late

Boost Clock1176MHz

More VRAM (2GB vs 256GB)

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

520 additional rendering cores

ATI Mobility Radeon HD 3670 's Advantages

Lower TDP (30W vs 50W)

Score

Benchmark

FP32 (float)

Radeon RX 550X Mobile +823%

1.505 TFLOPS

Mobility Radeon HD 3670

0.163 TFLOPS

Radeon RX 550X Mobile

VS

Mobility Radeon HD 3670

Graphics Card

Apr 2018

Release Date

Jan 2008

Mobility Radeon

Generation

M8x

Mobile

Type

Mobile

PCIe 3.0 x8

Bus Interface

PCIe 2.0 x16

Clock Speeds

1100 MHz

Base Clock

-

1176 MHz

Boost Clock

-

1500 MHz

Memory Clock

800 MHz

Memory

2GB

Memory Size

256MB

GDDR5

Memory Type

GDDR3

64bit

Memory Bus

128bit

48.00GB/s

Bandwidth

25.60GB/s

Render Config

10

Compute Units

3

-

640

Shading Units

120

40

TMUs

8

16

ROPs

4

-

16 KB (per CU)

L1 Cache

-

512 KB

L2 Cache

128 KB

-

Theoretical Performance

18.82 GPixel/s

Pixel Rate

2.720 GPixel/s

47.04 GTexel/s

Texture Rate

5.440 GTexel/s

1.505 TFLOPS

FP16 (half)

-

1.505 TFLOPS

FP32 (float)

163.2 GFLOPS

94.08 GFLOPS

FP64 (double)

-

Board Design

50W

TDP

30W

-

No outputs

Outputs

No outputs

None

Power Connectors

-

Graphics Processor

Polaris 23

GPU Name

M86

Polaris 23 MXT

GPU Variant

-

GCN 4.0

Architecture

TeraScale

GlobalFoundries

Foundry

TSMC

14 nm

Process Size

55 nm

2.2 billion

Transistors

0.378 billion

103 mm²

Die Size

135 mm²

Graphics Features

12 (12_0)

DirectX

10.1 (10_1)

4.6

OpenGL

3.3

2.1

OpenCL

N/A

1.2

Vulkan

N/A

-

6.4

Shader Model

4.1

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