AMD Radeon RX 6600 vs ATI Radeon HD 5870 Mac Edition

VS

AMD Radeon RX 6600

ATI Radeon HD 5870 Mac Edition

We compared two Desktop platform GPUs: 8GB VRAM Radeon RX 6600 and 1024MB VRAM Radeon HD 5870 Mac Edition to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon RX 6600 's Advantages

Released 11 years and 4 months late

Boost Clock2491MHz

More VRAM (8GB vs 1024GB)

Larger VRAM bandwidth (224.0GB/s vs 153.0GB/s)

192 additional rendering cores

Lower TDP (132W vs 228W)

Score

Benchmark

FP32 (float)

Radeon RX 6600 +228%

8.928 TFLOPS

Radeon HD 5870 Mac Edition

2.72 TFLOPS

Radeon RX 6600

VS

Radeon HD 5870 Mac Edition

Graphics Card

Oct 2021

Release Date

Jun 2010

Navi II

Generation

Evergreen

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

1195 MHz

Memory

8GB

Memory Size

1024MB

GDDR6

Memory Type

GDDR5

128bit

Memory Bus

256bit

224.0GB/s

Bandwidth

153.0GB/s

Render Config

28

Compute Units

20

-

1792

Shading Units

1600

112

TMUs

80

64

ROPs

32

-

28

RT Cores

-

128 KB per Array

L1 Cache

8 KB (per CU)

2 MB

L2 Cache

512 KB

32 MB

L3 Cache

-

Theoretical Performance

159.4 GPixel/s

Pixel Rate

27.20 GPixel/s

279.0 GTexel/s

Texture Rate

68.00 GTexel/s

17.86 TFLOPS

FP16 (half)

-

8.928 TFLOPS

FP32 (float)

2.720 TFLOPS

558.0 GFLOPS

FP64 (double)

544.0 GFLOPS

Board Design

132W

TDP

228W

300 W

Suggested PSU

550 W

1x HDMI 2.1 3x DisplayPort 1.4a

Outputs

1x DVI 2x mini-DisplayPort 1.1

1x 8-pin

Power Connectors

2x 6-pin

Graphics Processor

Navi 23

GPU Name

Cypress

Navi 23 XL (215-130000016)

GPU Variant

Cypress XT (215-0735033)

RDNA 2.0

Architecture

TeraScale 2

TSMC

Foundry

TSMC

7 nm

Process Size

40 nm

11.06 billion

Transistors

2.154 billion

237 mm²

Die Size

334 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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