AMD Radeon RX 6750 XT vs ATI Radeon HD 5450

VS

AMD Radeon RX 6750 XT

ATI Radeon HD 5450

We compared two Desktop platform GPUs: 12GB VRAM Radeon RX 6750 XT and 512MB VRAM Radeon HD 5450 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon RX 6750 XT 's Advantages

Released 12 years and 1 months late

Boost Clock2600MHz

More VRAM (12GB vs 512GB)

Larger VRAM bandwidth (432.0GB/s vs 6.400GB/s)

2480 additional rendering cores

ATI Radeon HD 5450 's Advantages

Lower TDP (19W vs 250W)

Score

Benchmark

FP32 (float)

Radeon RX 6750 XT +12698%

13.31 TFLOPS

Radeon HD 5450

0.104 TFLOPS

Radeon RX 6750 XT

VS

Radeon HD 5450

Graphics Card

Mar 2022

Release Date

Feb 2010

Navi II

Generation

Evergreen

Desktop

Type

Desktop

PCIe 4.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

2150 MHz

Base Clock

-

2600 MHz

Boost Clock

-

2250 MHz

Memory Clock

400 MHz

Memory

12GB

Memory Size

512MB

GDDR6

Memory Type

DDR2

192bit

Memory Bus

64bit

432.0GB/s

Bandwidth

6.400GB/s

Render Config

40

Compute Units

2

-

2560

Shading Units

80

160

TMUs

8

64

ROPs

4

-

40

RT Cores

-

128 KB per Array

L1 Cache

8 KB (per CU)

3 MB

L2 Cache

128 KB

96 MB

L3 Cache

-

Theoretical Performance

166.4 GPixel/s

Pixel Rate

2.600 GPixel/s

416.0 GTexel/s

Texture Rate

5.200 GTexel/s

26.62 TFLOPS

FP16 (half)

-

13.31 TFLOPS

FP32 (float)

104.0 GFLOPS

832.0 GFLOPS

FP64 (double)

-

Board Design

250W

TDP

19W

600 W

Suggested PSU

200 W

1x HDMI 2.1 3x DisplayPort 1.4a

Outputs

1x DVI 1x HDMI 1.3a 1x VGA

1x 6-pin + 1x 8-pin

Power Connectors

None

Graphics Processor

Navi 22

GPU Name

Cedar

Navi 22 KXT (215-127000144)

GPU Variant

Cedar PRO

RDNA 2.0

Architecture

TeraScale 2

TSMC

Foundry

TSMC

7 nm

Process Size

40 nm

17.2 billion

Transistors

0.292 billion

335 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

-

6.5

Shader Model

5.0

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