ATI Radeon HD 3750 vs AMD Radeon RX 6400

VS

ATI Radeon HD 3750

AMD Radeon RX 6400

We compared two Desktop platform GPUs: 512MB VRAM Radeon HD 3750 and 4GB VRAM Radeon RX 6400 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon RX 6400 's Advantages

Released 13 years and 4 months late

Boost Clock2321MHz

More VRAM (4GB vs 512GB)

Larger VRAM bandwidth (128.0GB/s vs 22.18GB/s)

648 additional rendering cores

Lower TDP (53W vs 65W)

Score

Benchmark

FP32 (float)

Radeon HD 3750

0.191 TFLOPS

Radeon RX 6400 +1766%

3.565 TFLOPS

Radeon HD 3750

VS

Radeon RX 6400

Graphics Card

Sep 2008

Release Date

Jan 2022

Radeon R600

Generation

Navi II

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 4.0 x4

Clock Speeds

-

Base Clock

1923 MHz

-

Boost Clock

2321 MHz

693 MHz

Memory Clock

2000 MHz

Memory

512MB

Memory Size

4GB

GDDR3

Memory Type

GDDR6

128bit

Memory Bus

64bit

22.18GB/s

Bandwidth

128.0GB/s

Render Config

3

Compute Units

12

-

120

Shading Units

768

8

TMUs

48

4

ROPs

32

-

RT Cores

12

-

L1 Cache

128 KB per Array

128 KB

L2 Cache

1024 KB

-

L3 Cache

16 MB

Theoretical Performance

3.184 GPixel/s

Pixel Rate

74.27 GPixel/s

6.368 GTexel/s

Texture Rate

111.4 GTexel/s

-

FP16 (half)

7.130 TFLOPS

191.0 GFLOPS

FP32 (float)

3.565 TFLOPS

-

FP64 (double)

222.8 GFLOPS

Board Design

65W

TDP

53W

250 W

Suggested PSU

250 W

2x DVI 1x S-Video

Outputs

1x HDMI 2.1 1x DisplayPort 1.4a

None

Power Connectors

None

Graphics Processor

RV635

GPU Name

Navi 24

RV635 PRO (215-0682008)

GPU Variant

Navi 24 XL (215-135000046)

TeraScale

Architecture

RDNA 2.0

TSMC

Foundry

TSMC

55 nm

Process Size

6 nm

0.378 billion

Transistors

5.4 billion

135 mm²

Die Size

107 mm²

Graphics Features

10.1 (10_1)

DirectX

12 Ultimate (12_2)

3.3

OpenGL

4.6

N/A

OpenCL

2.2

N/A

Vulkan

1.3

-

4.1

Shader Model

6.7

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