AMD Radeon HD 6870M vs AMD Radeon RX 5300M

VS

AMD Radeon HD 6870M

AMD Radeon RX 5300M

We compared two Mobile platform GPUs: 1024MB VRAM Radeon HD 6870M and 3GB VRAM Radeon RX 5300M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 6870M 's Advantages

Lower TDP (50W vs 85W)

AMD Radeon RX 5300M 's Advantages

Released 8 years and 10 months late

Boost Clock1445MHz

More VRAM (3GB vs 1024GB)

Larger VRAM bandwidth (168.0GB/s vs 64.00GB/s)

608 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 6870M

1.08 TFLOPS

Radeon RX 5300M +276%

4.069 TFLOPS

Radeon HD 6870M

VS

Radeon RX 5300M

Graphics Card

Jan 2011

Release Date

Nov 2019

Vancouver

Generation

Mobility Radeon

Mobile

Type

Mobile

MXM-B (3.0)

Bus Interface

PCIe 4.0 x8

Clock Speeds

-

Base Clock

1000 MHz

-

Boost Clock

1445 MHz

1000 MHz

Memory Clock

1750 MHz

Memory

1024MB

Memory Size

3GB

GDDR5

Memory Type

GDDR6

128bit

Memory Bus

96bit

64.00GB/s

Bandwidth

168.0GB/s

Render Config

10

Compute Units

22

-

800

Shading Units

1408

40

TMUs

88

16

ROPs

32

-

8 KB (per CU)

L1 Cache

-

256 KB

L2 Cache

2 MB

-

Theoretical Performance

10.80 GPixel/s

Pixel Rate

46.24 GPixel/s

27.00 GTexel/s

Texture Rate

127.2 GTexel/s

-

FP16 (half)

8.138 TFLOPS

1080 GFLOPS

FP32 (float)

4.069 TFLOPS

-

FP64 (double)

254.3 GFLOPS

Board Design

50W

TDP

85W

-

No outputs

Outputs

No outputs

-

Power Connectors

None

Graphics Processor

Granville

GPU Name

Navi 14

Granville XT (216-0769024)

GPU Variant

Navi 14 XLM

TeraScale 2

Architecture

RDNA 1.0

TSMC

Foundry

TSMC

40 nm

Process Size

7 nm

1.04 billion

Transistors

6.4 billion

166 mm²

Die Size

158 mm²

Graphics Features

11.2 (11_0)

DirectX

12 (12_1)

4.4

OpenGL

4.6

1.2

OpenCL

2.1

N/A

Vulkan

1.3

-

5.0

Shader Model

6.5

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