AMD Radeon RX 6600 vs AMD Radeon HD 8550 OEM

VS

AMD Radeon RX 6600

AMD Radeon HD 8550 OEM

We compared two Desktop platform GPUs: 8GB VRAM Radeon RX 6600 and 1024MB VRAM Radeon HD 8550 OEM to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon RX 6600 's Advantages

Released 8 years late

Boost Clock2491MHz

More VRAM (8GB vs 1024GB)

Larger VRAM bandwidth (224.0GB/s vs 25.60GB/s)

1312 additional rendering cores

AMD Radeon HD 8550 OEM 's Advantages

Lower TDP (60W vs 132W)

Score

Benchmark

FP32 (float)

Radeon RX 6600 +1330%

8.928 TFLOPS

Radeon HD 8550 OEM

0.624 TFLOPS

Radeon RX 6600

VS

Radeon HD 8550 OEM

Graphics Card

Oct 2021

Release Date

Oct 2013

Navi II

Generation

Sea Islands

Desktop

Type

Desktop

PCIe 4.0 x8

Bus Interface

PCIe 2.0 x16

Clock Speeds

1626 MHz

Base Clock

-

2491 MHz

Boost Clock

-

1750 MHz

Memory Clock

800 MHz

Memory

8GB

Memory Size

1024MB

GDDR6

Memory Type

GDDR3

128bit

Memory Bus

128bit

224.0GB/s

Bandwidth

25.60GB/s

Render Config

28

Compute Units

6

-

1792

Shading Units

480

112

TMUs

24

64

ROPs

8

-

28

RT Cores

-

128 KB per Array

L1 Cache

8 KB (per CU)

2 MB

L2 Cache

256 KB

32 MB

L3 Cache

-

Theoretical Performance

159.4 GPixel/s

Pixel Rate

5.200 GPixel/s

279.0 GTexel/s

Texture Rate

15.60 GTexel/s

17.86 TFLOPS

FP16 (half)

-

8.928 TFLOPS

FP32 (float)

624.0 GFLOPS

558.0 GFLOPS

FP64 (double)

-

Board Design

132W

TDP

60W

300 W

Suggested PSU

250 W

1x HDMI 2.1 3x DisplayPort 1.4a

Outputs

1x DVI 1x HDMI 1.3a 1x VGA

1x 8-pin

Power Connectors

None

Graphics Processor

Navi 23

GPU Name

Turks

Navi 23 XL (215-130000016)

GPU Variant

Turks PRO (215-0803002)

RDNA 2.0

Architecture

TeraScale 2

TSMC

Foundry

TSMC

7 nm

Process Size

40 nm

11.06 billion

Transistors

0.716 billion

237 mm²

Die Size

118 mm²

Graphics Features

12 Ultimate (12_2)

DirectX

11.2 (11_0)

4.6

OpenGL

4.4

2.1

OpenCL

1.2

1.3

Vulkan

N/A

-

6.5

Shader Model

5.0

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