AMD Radeon RX 8800 XT vs ATI Radeon HD 5450 PCI

VS

AMD Radeon RX 8800 XT

ATI Radeon HD 5450 PCI

We compared two Desktop platform GPUs: 16GB VRAM Radeon RX 8800 XT and 512MB VRAM Radeon HD 5450 PCI to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon RX 8800 XT 's Advantages

Boost Clock2430MHz

More VRAM (16GB vs 512GB)

Larger VRAM bandwidth (624.1GB/s vs 5.328GB/s)

4016 additional rendering cores

ATI Radeon HD 5450 PCI 's Advantages

Lower TDP (19W vs 220W)

Score

Benchmark

FP32 (float)

Radeon RX 8800 XT +19044%

19.91 TFLOPS

Radeon HD 5450 PCI

0.104 TFLOPS

Radeon RX 8800 XT

VS

Radeon HD 5450 PCI

Graphics Card

Unknown

Release Date

Feb 2010

Navi IV(RX 8000)

Generation

Evergreen

Desktop

Type

Desktop

PCIe 4.0 x16

Bus Interface

PCI

Clock Speeds

1295 MHz

Base Clock

-

2430 MHz

Boost Clock

-

2438 MHz

Memory Clock

333 MHz

Memory

16GB

Memory Size

512MB

GDDR6

Memory Type

DDR2

256bit

Memory Bus

64bit

624.1GB/s

Bandwidth

5.328GB/s

Render Config

64

Compute Units

2

-

4096

Shading Units

80

256

TMUs

8

96

ROPs

4

-

64

RT Cores

-

128 KB per Array

L1 Cache

8 KB (per CU)

4 MB

L2 Cache

128 KB

64 MB

L3 Cache

-

Theoretical Performance

233.3 GPixel/s

Pixel Rate

2.600 GPixel/s

622.1 GTexel/s

Texture Rate

5.200 GTexel/s

39.81 TFLOPS

FP16 (half)

-

19.91 TFLOPS

FP32 (float)

104.0 GFLOPS

622.1 GFLOPS

FP64 (double)

-

Board Design

220W

TDP

19W

550 W

Suggested PSU

200 W

1x HDMI 2.1a3x DisplayPort 2.1

Outputs

1x DVI 1x HDMI 1.3a

2x 8-pin

Power Connectors

None

Graphics Processor

Navi 48

GPU Name

Cedar

Navi 48 XT

GPU Variant

Cedar PRO

RDNA 4.0

Architecture

TeraScale 2

TSMC

Foundry

TSMC

4 nm

Process Size

40 nm

Unknown

Transistors

0.292 billion

Unknown

Die Size

59 mm²

Graphics Features

12 Ultimate (12_2)

DirectX

11.2 (11_0)

4.6

OpenGL

4.4

2.2

OpenCL

1.2

1.3

Vulkan

N/A

-

6.8

Shader Model

5.0

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