AMD Radeon RX 6400 vs ATI Radeon HD 3750

VS

AMD Radeon RX 6400

ATI Radeon HD 3750

We compared two Desktop platform GPUs: 4GB VRAM Radeon RX 6400 and 512MB VRAM Radeon HD 3750 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 RX 6400 +1766%

3.565 TFLOPS

Radeon HD 3750

0.191 TFLOPS

Radeon RX 6400

VS

Radeon HD 3750

Graphics Card

Jan 2022

Release Date

Sep 2008

Navi II

Generation

Radeon R600

Desktop

Type

Desktop

PCIe 4.0 x4

Bus Interface

PCIe 2.0 x16

Clock Speeds

1923 MHz

Base Clock

-

2321 MHz

Boost Clock

-

2000 MHz

Memory Clock

693 MHz

Memory

4GB

Memory Size

512MB

GDDR6

Memory Type

GDDR3

64bit

Memory Bus

128bit

128.0GB/s

Bandwidth

22.18GB/s

Render Config

12

Compute Units

3

-

768

Shading Units

120

48

TMUs

8

32

ROPs

4

-

12

RT Cores

-

128 KB per Array

L1 Cache

-

1024 KB

L2 Cache

128 KB

16 MB

L3 Cache

-

Theoretical Performance

74.27 GPixel/s

Pixel Rate

3.184 GPixel/s

111.4 GTexel/s

Texture Rate

6.368 GTexel/s

7.130 TFLOPS

FP16 (half)

-

3.565 TFLOPS

FP32 (float)

191.0 GFLOPS

222.8 GFLOPS

FP64 (double)

-

Board Design

53W

TDP

65W

250 W

Suggested PSU

250 W

1x HDMI 2.1 1x DisplayPort 1.4a

Outputs

2x DVI 1x S-Video

None

Power Connectors

None

Graphics Processor

Navi 24

GPU Name

RV635

Navi 24 XL (215-135000046)

GPU Variant

RV635 PRO (215-0682008)

RDNA 2.0

Architecture

TeraScale

TSMC

Foundry

TSMC

6 nm

Process Size

55 nm

5.4 billion

Transistors

0.378 billion

107 mm²

Die Size

135 mm²

Graphics Features

12 Ultimate (12_2)

DirectX

10.1 (10_1)

4.6

OpenGL

3.3

2.2

OpenCL

N/A

1.3

Vulkan

N/A

-

6.7

Shader Model

4.1

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