AMD Radeon RX 6600 LE vs ATI Radeon HD 5490

VS

AMD Radeon RX 6600 LE

ATI Radeon HD 5490

We compared two Desktop platform GPUs: 8GB VRAM Radeon RX 6600 LE and 1024MB VRAM Radeon HD 5490 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon RX 6600 LE 's Advantages

Released 11 years and 2 months late

Boost Clock2495MHz

More VRAM (8GB vs 1024GB)

Larger VRAM bandwidth (224.0GB/s vs 8.000GB/s)

1712 additional rendering cores

ATI Radeon HD 5490 's Advantages

Lower TDP (19W vs 132W)

Score

Benchmark

FP32 (float)

Radeon RX 6600 LE +8498%

8.942 TFLOPS

Radeon HD 5490

0.104 TFLOPS

Radeon RX 6600 LE

VS

Radeon HD 5490

Graphics Card

Dec 2023

Release Date

Oct 2012

Navi II

Generation

Evergreen

Desktop

Type

Desktop

PCIe 4.0 x8

Bus Interface

PCIe 2.0 x16

Clock Speeds

1626 MHz

Base Clock

-

2495 MHz

Boost Clock

-

1750 MHz

Memory Clock

500 MHz

Memory

8GB

Memory Size

1024MB

GDDR6

Memory Type

GDDR3

128bit

Memory Bus

64bit

224.0GB/s

Bandwidth

8.000GB/s

Render Config

28

Compute Units

2

-

1792

Shading Units

80

112

TMUs

8

64

ROPs

4

-

28

RT Cores

-

128 KB per Array

L1 Cache

8 KB (per CU)

2 MB

L2 Cache

128 KB

32 MB

L3 Cache

-

Theoretical Performance

159.7 GPixel/s

Pixel Rate

2.600 GPixel/s

279.4 GTexel/s

Texture Rate

5.200 GTexel/s

17.88 TFLOPS

FP16 (half)

-

8.942 TFLOPS

FP32 (float)

104.0 GFLOPS

558.9 GFLOPS

FP64 (double)

-

Board Design

132W

TDP

19W

300 W

Suggested PSU

200 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

Cedar

Navi 23 XL (215-130000016)

GPU Variant

Cedar XTX

RDNA 2.0

Architecture

TeraScale 2

TSMC

Foundry

TSMC

7 nm

Process Size

40 nm

11.06 billion

Transistors

0.292 billion

237 mm²

Die Size

59 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

-

6.7

Shader Model

5.0

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