AMD Radeon RX 5300M vs ATI Mobility Radeon HD 3870 X2

VS

AMD Radeon RX 5300M

ATI Mobility Radeon HD 3870 X2

We compared two Mobile platform GPUs: 3GB VRAM Radeon RX 5300M and 512MB VRAM Mobility Radeon HD 3870 X2 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon RX 5300M 's Advantages

Released 11 years and 2 months late

Boost Clock1445MHz

More VRAM (3GB vs 512GB)

Larger VRAM bandwidth (168.0GB/s vs 54.40GB/s)

1088 additional rendering cores

Lower TDP (85W vs 110W)

Score

Benchmark

FP32 (float)

Radeon RX 5300M +864%

4.069 TFLOPS

Mobility Radeon HD 3870 X2

0.422 TFLOPS

Radeon RX 5300M

VS

Mobility Radeon HD 3870 X2

Graphics Card

Nov 2019

Release Date

Sep 2008

Mobility Radeon

Generation

M8x

Mobile

Type

Mobile

PCIe 4.0 x8

Bus Interface

PCIe 2.0 x16

Clock Speeds

1000 MHz

Base Clock

-

1445 MHz

Boost Clock

-

1750 MHz

Memory Clock

850 MHz

Memory

3GB

Memory Size

512MB

GDDR6

Memory Type

GDDR3

96bit

Memory Bus

256bit

168.0GB/s

Bandwidth

54.40GB/s

Render Config

22

Compute Units

4

-

1408

Shading Units

320

88

TMUs

16

32

ROPs

16

-

2 MB

L2 Cache

256 KB

-

Theoretical Performance

46.24 GPixel/s

Pixel Rate

10.56 GPixel/s

127.2 GTexel/s

Texture Rate

10.56 GTexel/s

8.138 TFLOPS

FP16 (half)

-

4.069 TFLOPS

FP32 (float)

422.4 GFLOPS

254.3 GFLOPS

FP64 (double)

84.48 GFLOPS

Board Design

85W

TDP

110W

-

No outputs

Outputs

No outputs

None

Power Connectors

-

Graphics Processor

Navi 14

GPU Name

M88

Navi 14 XLM

GPU Variant

-

RDNA 1.0

Architecture

TeraScale

TSMC

Foundry

TSMC

7 nm

Process Size

55 nm

6.4 billion

Transistors

0.666 billion

158 mm²

Die Size

192 mm²

Graphics Features

12 (12_1)

DirectX

10.1 (10_1)

4.6

OpenGL

3.3

2.1

OpenCL

N/A

1.3

Vulkan

N/A

-

6.5

Shader Model

4.1

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