ATI Radeon HD 4750 vs AMD Radeon RX 7900 XT

VS

ATI Radeon HD 4750

AMD Radeon RX 7900 XT

We compared two Desktop platform GPUs: 512MB VRAM Radeon HD 4750 and 20GB VRAM Radeon RX 7900 XT to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

ATI Radeon HD 4750 's Advantages

Lower TDP (100W vs 300W)

AMD Radeon RX 7900 XT 's Advantages

Released 13 years and 2 months late

Boost Clock2394MHz

More VRAM (20GB vs 512GB)

Larger VRAM bandwidth (800.0GB/s vs 51.20GB/s)

4736 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 4750

0.934 TFLOPS

Radeon RX 7900 XT +5411%

51.48 TFLOPS

Radeon HD 4750

VS

Radeon RX 7900 XT

Graphics Card

Sep 2009

Release Date

Nov 2022

Radeon R700

Generation

Navi III

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 4.0 x16

Clock Speeds

-

Base Clock

1387 MHz

-

Boost Clock

2394 MHz

800 MHz

Memory Clock

2500 MHz

Memory

512MB

Memory Size

20GB

GDDR5

Memory Type

GDDR6

128bit

Memory Bus

320bit

51.20GB/s

Bandwidth

800.0GB/s

Render Config

8

Compute Units

84

-

640

Shading Units

5376

32

TMUs

336

16

ROPs

192

-

RT Cores

84

16 KB (per CU)

L1 Cache

256 KB per Array

128 KB

L2 Cache

6 MB

-

L3 Cache

80 MB

Theoretical Performance

11.68 GPixel/s

Pixel Rate

459.6 GPixel/s

23.36 GTexel/s

Texture Rate

804.4 GTexel/s

-

FP16 (half)

103.0 TFLOPS

934.4 GFLOPS

FP32 (float)

51.48 TFLOPS

186.9 GFLOPS

FP64 (double)

1.609 TFLOPS

Board Design

100W

TDP

300W

300 W

Suggested PSU

700 W

2x DVI 1x S-Video

Outputs

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

1x 6-pin

Power Connectors

2x 8-pin

Graphics Processor

RV740

GPU Name

Navi 31

RV740 PRO

GPU Variant

Navi 31 XT (215-145000156)

TeraScale

Architecture

RDNA 3.0

TSMC

Foundry

TSMC

40 nm

Process Size

5 nm

0.826 billion

Transistors

57.7 billion

137 mm²

Die Size

529 mm²

Graphics Features

10.1 (10_1)

DirectX

12 Ultimate (12_2)

3.3

OpenGL

4.6

1.1

OpenCL

2.2

N/A

Vulkan

1.3

-

4.1

Shader Model

6.7

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