AMD Radeon RX 7800 vs ATI Radeon HD 4750

VS

AMD Radeon RX 7800

ATI Radeon HD 4750

We compared two Desktop platform GPUs: 16GB VRAM Radeon RX 7800 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 7800 's Advantages

Released 13 years and 4 months late

Boost Clock2800MHz

More VRAM (16GB vs 512GB)

Larger VRAM bandwidth (576.0GB/s vs 51.20GB/s)

3200 additional rendering cores

ATI Radeon HD 4750 's Advantages

Lower TDP (100W vs 300W)

Score

Benchmark

FP32 (float)

Radeon RX 7800 +3895%

37.32 TFLOPS

Radeon HD 4750

0.934 TFLOPS

Radeon RX 7800

VS

Radeon HD 4750

Graphics Card

Jan 2023

Release Date

Sep 2009

Navi III

Generation

Radeon R700

Desktop

Type

Desktop

PCIe 4.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

1800 MHz

Base Clock

-

2800 MHz

Boost Clock

-

2250 MHz

Memory Clock

800 MHz

Memory

16GB

Memory Size

512MB

GDDR6

Memory Type

GDDR5

256bit

Memory Bus

128bit

576.0GB/s

Bandwidth

51.20GB/s

Render Config

60

Compute Units

8

-

3840

Shading Units

640

240

TMUs

32

128

ROPs

16

-

60

RT Cores

-

128 KB per Array

L1 Cache

16 KB (per CU)

4 MB

L2 Cache

128 KB

64 MB

L3 Cache

-

Theoretical Performance

358.4 GPixel/s

Pixel Rate

11.68 GPixel/s

672.0 GTexel/s

Texture Rate

23.36 GTexel/s

86.02 TFLOPS

FP16 (half)

-

43.01 TFLOPS

FP32 (float)

934.4 GFLOPS

1344 GFLOPS

FP64 (double)

186.9 GFLOPS

Board Design

300W

TDP

100W

700 W

Suggested PSU

300 W

1x HDMI 2.1a 3x DisplayPort 2.1

Outputs

2x DVI 1x S-Video

2x 8-pin

Power Connectors

1x 6-pin

Graphics Processor

Navi 32

GPU Name

RV740

Navi 32 XT

GPU Variant

RV740 PRO

RDNA 3.0

Architecture

TeraScale

TSMC

Foundry

TSMC

5 nm

Process Size

40 nm

Unknown

Transistors

0.826 billion

346 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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