AMD Radeon RX 7800 XT vs ATI Radeon HD 4450

VS

AMD Radeon RX 7800 XT

ATI Radeon HD 4450

We compared two Desktop platform GPUs: 16GB VRAM Radeon RX 7800 XT and 512MB VRAM Radeon HD 4450 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon RX 7800 XT 's Advantages

Released 11 years and 9 months late

Boost Clock2430MHz

More VRAM (16GB vs 512GB)

Larger VRAM bandwidth (624.1GB/s vs 6.400GB/s)

3760 additional rendering cores

ATI Radeon HD 4450 's Advantages

Lower TDP (25W vs 263W)

Score

Benchmark

FP32 (float)

Radeon RX 7800 XT +38775%

37.32 TFLOPS

Radeon HD 4450

0.096 TFLOPS

Radeon RX 7800 XT

VS

Radeon HD 4450

Graphics Card

Aug 2023

Release Date

Nov 2011

Navi III

Generation

Radeon R700

Desktop

Type

Desktop

PCIe 4.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

1295 MHz

Base Clock

-

2430 MHz

Boost Clock

-

2438 MHz

Memory Clock

400 MHz

Memory

16GB

Memory Size

512MB

GDDR6

Memory Type

DDR2

256bit

Memory Bus

64bit

624.1GB/s

Bandwidth

6.400GB/s

Render Config

60

Compute Units

1

-

3840

Shading Units

80

240

TMUs

8

96

ROPs

4

-

60

RT Cores

-

128 KB per Array

L1 Cache

16 KB (per CU)

4 MB

L2 Cache

64 KB

64 MB

L3 Cache

-

Theoretical Performance

233.3 GPixel/s

Pixel Rate

2.400 GPixel/s

583.2 GTexel/s

Texture Rate

4.800 GTexel/s

74.65 TFLOPS

FP16 (half)

-

37.32 TFLOPS

FP32 (float)

96.00 GFLOPS

1166 GFLOPS

FP64 (double)

-

Board Design

263W

TDP

25W

600 W

Suggested PSU

200 W

1x HDMI 2.1a 3x DisplayPort 2.1

Outputs

1x DVI 1x HDMI 1.3a 1x DisplayPort 1.0

2x 8-pin

Power Connectors

None

Graphics Processor

Navi 32

GPU Name

RV710

Navi 32 XT (215-180000006)

GPU Variant

RV710 (215-0725016)

RDNA 3.0

Architecture

TeraScale

TSMC

Foundry

TSMC

5 nm

Process Size

55 nm

28.1 billion

Transistors

0.242 billion

346 mm²

Die Size

73 mm²

Graphics Features

12 Ultimate (12_2)

DirectX

10.1 (10_1)

4.6

OpenGL

3.3

2.2

OpenCL

1.1

1.3

Vulkan

N/A

-

6.7

Shader Model

4.1

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