AMD Radeon RX 7900 XTX vs ATI Radeon HD 4750

VS

AMD Radeon RX 7900 XTX

ATI Radeon HD 4750

We compared two Desktop platform GPUs: 24GB VRAM Radeon RX 7900 XTX and 512MB VRAM Radeon HD 4750 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon RX 7900 XTX 's Advantages

Released 13 years and 2 months late

Boost Clock2498MHz

More VRAM (24GB vs 512GB)

Larger VRAM bandwidth (960.0GB/s vs 51.20GB/s)

5504 additional rendering cores

ATI Radeon HD 4750 's Advantages

Lower TDP (100W vs 355W)

Score

Benchmark

FP32 (float)

Radeon RX 7900 XTX +6472%

61.39 TFLOPS

Radeon HD 4750

0.934 TFLOPS

Radeon RX 7900 XTX

VS

Radeon HD 4750

Graphics Card

Nov 2022

Release Date

Sep 2009

Navi III

Generation

Radeon R700

Desktop

Type

Desktop

PCIe 4.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

1929 MHz

Base Clock

-

2498 MHz

Boost Clock

-

2500 MHz

Memory Clock

800 MHz

Memory

24GB

Memory Size

512MB

GDDR6

Memory Type

GDDR5

384bit

Memory Bus

128bit

960.0GB/s

Bandwidth

51.20GB/s

Render Config

96

Compute Units

8

-

6144

Shading Units

640

384

TMUs

32

192

ROPs

16

-

96

RT Cores

-

256 KB per Array

L1 Cache

16 KB (per CU)

6 MB

L2 Cache

128 KB

96 MB

L3 Cache

-

Theoretical Performance

479.6 GPixel/s

Pixel Rate

11.68 GPixel/s

959.2 GTexel/s

Texture Rate

23.36 GTexel/s

122.8 TFLOPS

FP16 (half)

-

61.39 TFLOPS

FP32 (float)

934.4 GFLOPS

1.918 TFLOPS

FP64 (double)

186.9 GFLOPS

Board Design

355W

TDP

100W

750 W

Suggested PSU

300 W

1x HDMI 2.1a 2x DisplayPort 2.1 1x USB Type-C

Outputs

2x DVI 1x S-Video

2x 8-pin

Power Connectors

1x 6-pin

Graphics Processor

Navi 31

GPU Name

RV740

Navi 31 XTX (215-145000146)

GPU Variant

RV740 PRO

RDNA 3.0

Architecture

TeraScale

TSMC

Foundry

TSMC

5 nm

Process Size

40 nm

57.7 billion

Transistors

0.826 billion

529 mm²

Die Size

137 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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