AMD Radeon HD 8670A vs AMD Radeon RX 6550S

VS

AMD Radeon HD 8670A

AMD Radeon RX 6550S

We compared two Mobile platform GPUs: 1024MB VRAM Radeon HD 8670A 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 HD 8670A 's Advantages

Lower TDP (45W vs 50W)

AMD Radeon RX 6550S 's Advantages

Released 9 years and 11 months late

Boost Clock2400MHz

More VRAM (4GB vs 1024GB)

Larger VRAM bandwidth (128.0GB/s vs 16.00GB/s)

640 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 8670A

0.461 TFLOPS

Radeon RX 6550S +966%

4.915 TFLOPS

Radeon HD 8670A

VS

Radeon RX 6550S

Graphics Card

Feb 2013

Release Date

Jan 2023

All-In-One

Generation

Navi Mobile

Mobile

Type

Mobile

MXM-A (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

DDR3

Memory Type

GDDR6

64bit

Memory Bus

64bit

16.00GB/s

Bandwidth

128.0GB/s

Render Config

6

Compute Units

16

-

384

Shading Units

1024

24

TMUs

64

8

ROPs

32

-

RT Cores

16

16 KB (per CU)

L1 Cache

128 KB per Array

128 KB

L2 Cache

1024 KB

-

L3 Cache

16 MB

Theoretical Performance

4.800 GPixel/s

Pixel Rate

76.80 GPixel/s

14.40 GTexel/s

Texture Rate

153.6 GTexel/s

-

FP16 (half)

9.830 TFLOPS

460.8 GFLOPS

FP32 (float)

4.915 TFLOPS

28.80 GFLOPS

FP64 (double)

307.2 GFLOPS

Board Design

45W

TDP

50W

-

No outputs

Outputs

Portable Device Dependent

-

Power Connectors

None

Graphics Processor

Mars

GPU Name

Navi 24

Mars XT

GPU Variant

Navi 24

GCN 1.0

Architecture

RDNA 2.0

TSMC

Foundry

TSMC

28 nm

Process Size

6 nm

0.95 billion

Transistors

5.4 billion

77 mm²

Die Size

107 mm²

Graphics Features

12 (11_1)

DirectX

12 Ultimate (12_2)

4.6

OpenGL

4.6

1.2

OpenCL

2.2

1.2

Vulkan

1.3

-

5.1

Shader Model

6.7

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