AMD Radeon RX 6300M vs ATI Mobility Radeon HD 3870

VS

AMD Radeon RX 6300M

ATI Mobility Radeon HD 3870

We compared two Mobile platform GPUs: 2GB VRAM Radeon RX 6300M and 512MB VRAM Mobility Radeon HD 3870 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon RX 6300M 's Advantages

Released 13 years and 7 months late

Boost Clock2400MHz

More VRAM (2GB vs 512GB)

Larger VRAM bandwidth (72.00GB/s vs 54.40GB/s)

448 additional rendering cores

Lower TDP (35W vs 55W)

Score

Benchmark

FP32 (float)

Radeon RX 6300M +773%

3.686 TFLOPS

Mobility Radeon HD 3870

0.422 TFLOPS

Radeon RX 6300M

VS

Mobility Radeon HD 3870

Graphics Card

Jan 2022

Release Date

Jun 2008

Mobility Radeon

Generation

M8x

Mobile

Type

Mobile

PCIe 4.0 x4

Bus Interface

PCIe 2.0 x16

Clock Speeds

2000 MHz

Base Clock

-

2400 MHz

Boost Clock

-

2250 MHz

Memory Clock

850 MHz

Memory

2GB

Memory Size

512MB

GDDR6

Memory Type

GDDR3

32bit

Memory Bus

256bit

72.00GB/s

Bandwidth

54.40GB/s

Render Config

12

Compute Units

4

-

768

Shading Units

320

48

TMUs

16

32

ROPs

16

-

12

RT Cores

-

128 KB per Array

L1 Cache

-

1024 KB

L2 Cache

256 KB

8 MB

L3 Cache

-

Theoretical Performance

76.80 GPixel/s

Pixel Rate

10.56 GPixel/s

115.2 GTexel/s

Texture Rate

10.56 GTexel/s

7.373 TFLOPS

FP16 (half)

-

3.686 TFLOPS

FP32 (float)

422.4 GFLOPS

230.4 GFLOPS

FP64 (double)

84.48 GFLOPS

Board Design

35W

TDP

55W

-

No outputs

Outputs

No outputs

None

Power Connectors

-

Graphics Processor

Navi 24

GPU Name

M88

Navi 24 XML

GPU Variant

-

RDNA 2.0

Architecture

TeraScale

TSMC

Foundry

TSMC

6 nm

Process Size

55 nm

5.4 billion

Transistors

0.666 billion

107 mm²

Die Size

192 mm²

Graphics Features

12 Ultimate (12_2)

DirectX

10.1 (10_1)

4.6

OpenGL

3.3

2.2

OpenCL

N/A

1.3

Vulkan

N/A

-

6.6

Shader Model

4.1

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