AMD Radeon RX 6400 vs ATI Radeon HD 3450 PCI

VS

AMD Radeon RX 6400 ATI Radeon HD 3450 PCI

We compared two Desktop platform GPUs: 4GB VRAM Radeon RX 6400 and 512MB VRAM Radeon HD 3450 PCI to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon RX 6400 's Advantages

Released 14 years late

Boost Clock2321MHz

Larger VRAM bandwidth (128.0GB/s vs 6.400GB/s)

728 additional rendering cores

ATI Radeon HD 3450 PCI 's Advantages

Lower TDP (25W vs 53W)

Score

Benchmark

FP32 (float)

Radeon RX 6400 +7327%

3.565 TFLOPS

Radeon HD 3450 PCI

0.048 TFLOPS

Radeon RX 6400

VS

Radeon HD 3450 PCI

Graphics Card

Jan 2022

Release Date

Jan 2008

Navi II

Generation

Radeon R600

Desktop

Type

Desktop

PCIe 4.0 x4

Bus Interface

PCI

Clock Speeds

1923 MHz

Base Clock

-

2321 MHz

Boost Clock

-

2000 MHz

Memory Clock

400 MHz

Memory

4GB

Memory Size

512MB

GDDR6

Memory Type

DDR2

64bit

Memory Bus

64bit

128.0GB/s

Bandwidth

6.400GB/s

Render Config

-

SM Count

-

12

Compute Units

2

768

Shading Units

40

48

TMUs

4

32

ROPs

4

-

Tensor Cores

-

12

RT Cores

-

128 KB per Array

L1 Cache

-

1024 KB

L2 Cache

64 KB

Theoretical Performance

74.27 GPixel/s

Pixel Rate

2.400 GPixel/s

111.4 GTexel/s

Texture Rate

2.400 GTexel/s

7.130 TFLOPS

FP16 (half)

-

3.565 TFLOPS

FP32 (float)

48.00 GFLOPS

222.8 GFLOPS

FP64 (double)

-

Graphics Processor

Navi 24

GPU Name

RV620

Navi 24 XL (215-135000046)

GPU Variant

RV620 LE

RDNA 2.0

Architecture

TeraScale

TSMC

Foundry

TSMC

6 nm

Process Size

55 nm

5.4 billion

Transistors

0.181 billion

107 mm²

Die Size

67 mm²

Board Design

53W

TDP

25W

250 W

Suggested PSU

200 W

1x HDMI 2.1 1x DisplayPort 1.4a

Outputs

1x DVI 1x S-Video

None

Power Connectors

None

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

-

CUDA

-

6.6

Shader Model

4.1

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