ATI Radeon HD 5450 PCI vs AMD Radeon RX 6600 XT

VS

ATI Radeon HD 5450 PCI

AMD Radeon RX 6600 XT

We compared two Desktop platform GPUs: 512MB VRAM Radeon HD 5450 PCI and 8GB VRAM Radeon RX 6600 XT to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

ATI Radeon HD 5450 PCI 's Advantages

Lower TDP (19W vs 160W)

AMD Radeon RX 6600 XT 's Advantages

Released 11 years and 5 months late

Boost Clock2589MHz

More VRAM (8GB vs 512GB)

Larger VRAM bandwidth (256.0GB/s vs 5.328GB/s)

1968 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 5450 PCI

0.104 TFLOPS

Radeon RX 6600 XT +10092%

10.6 TFLOPS

Radeon HD 5450 PCI

VS

Radeon RX 6600 XT

Graphics Card

Feb 2010

Release Date

Jul 2021

Evergreen

Generation

Navi II

Desktop

Type

Desktop

PCI

Bus Interface

PCIe 4.0 x8

Clock Speeds

-

Base Clock

1968 MHz

-

Boost Clock

2589 MHz

333 MHz

Memory Clock

2000 MHz

Memory

512MB

Memory Size

8GB

DDR2

Memory Type

GDDR6

64bit

Memory Bus

128bit

5.328GB/s

Bandwidth

256.0GB/s

Render Config

2

Compute Units

32

-

80

Shading Units

2048

8

TMUs

128

4

ROPs

64

-

RT Cores

32

8 KB (per CU)

L1 Cache

128 KB per Array

128 KB

L2 Cache

2 MB

-

L3 Cache

32 MB

Theoretical Performance

2.600 GPixel/s

Pixel Rate

165.7 GPixel/s

5.200 GTexel/s

Texture Rate

331.4 GTexel/s

-

FP16 (half)

21.21 TFLOPS

104.0 GFLOPS

FP32 (float)

10.60 TFLOPS

-

FP64 (double)

662.8 GFLOPS

Board Design

19W

TDP

160W

200 W

Suggested PSU

450 W

1x DVI 1x HDMI 1.3a

Outputs

1x HDMI 2.1 3x DisplayPort 1.4a

None

Power Connectors

1x 8-pin

Graphics Processor

Cedar

GPU Name

Navi 23

Cedar PRO

GPU Variant

Navi 23 XT (215-130000006)

TeraScale 2

Architecture

RDNA 2.0

TSMC

Foundry

TSMC

40 nm

Process Size

7 nm

0.292 billion

Transistors

11.06 billion

59 mm²

Die Size

237 mm²

Graphics Features

11.2 (11_0)

DirectX

12 Ultimate (12_2)

4.4

OpenGL

4.6

1.2

OpenCL

2.1

N/A

Vulkan

1.3

-

5.0

Shader Model

6.7

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