AMD Radeon HD 6870M vs AMD Radeon RX 6550S

VS

AMD Radeon HD 6870M

AMD Radeon RX 6550S

We compared two Mobile platform GPUs: 1024MB VRAM Radeon HD 6870M and 4GB VRAM Radeon RX 6550S to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon RX 6550S 's Advantages

Released 12 years late

Boost Clock2400MHz

More VRAM (4GB vs 1024GB)

Larger VRAM bandwidth (128.0GB/s vs 64.00GB/s)

224 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 6870M

1.08 TFLOPS

Radeon RX 6550S +355%

4.915 TFLOPS

Radeon HD 6870M

VS

Radeon RX 6550S

Graphics Card

Jan 2011

Release Date

Jan 2023

Vancouver

Generation

Navi Mobile

Mobile

Type

Mobile

MXM-B (3.0)

Bus Interface

PCIe 4.0 x4

Clock Speeds

-

Base Clock

2000 MHz

-

Boost Clock

2400 MHz

1000 MHz

Memory Clock

2000 MHz

Memory

1024MB

Memory Size

4GB

GDDR5

Memory Type

GDDR6

128bit

Memory Bus

64bit

64.00GB/s

Bandwidth

128.0GB/s

Render Config

10

Compute Units

16

-

800

Shading Units

1024

40

TMUs

64

16

ROPs

32

-

RT Cores

16

8 KB (per CU)

L1 Cache

128 KB per Array

256 KB

L2 Cache

1024 KB

-

L3 Cache

16 MB

Theoretical Performance

10.80 GPixel/s

Pixel Rate

76.80 GPixel/s

27.00 GTexel/s

Texture Rate

153.6 GTexel/s

-

FP16 (half)

9.830 TFLOPS

1080 GFLOPS

FP32 (float)

4.915 TFLOPS

-

FP64 (double)

307.2 GFLOPS

Board Design

50W

TDP

50W

-

No outputs

Outputs

Portable Device Dependent

-

Power Connectors

None

Graphics Processor

Granville

GPU Name

Navi 24

Granville XT (216-0769024)

GPU Variant

Navi 24

TeraScale 2

Architecture

RDNA 2.0

TSMC

Foundry

TSMC

40 nm

Process Size

6 nm

1.04 billion

Transistors

5.4 billion

166 mm²

Die Size

107 mm²

Graphics Features

11.2 (11_0)

DirectX

12 Ultimate (12_2)

4.4

OpenGL

4.6

1.2

OpenCL

2.2

N/A

Vulkan

1.3

-

5.0

Shader Model

6.7

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