AMD Radeon RX 6400 vs ATI Radeon HD 5450 PCIe x1

VS

AMD Radeon RX 6400 ATI Radeon HD 5450 PCIe x1

We compared two Desktop platform GPUs: 4GB VRAM Radeon RX 6400 and 512MB VRAM Radeon HD 5450 PCIe x1 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon RX 6400 's Advantages

Released 11 years and 11 months late

Boost Clock2321MHz

Larger VRAM bandwidth (128.0GB/s vs 8.000GB/s)

688 additional rendering cores

ATI Radeon HD 5450 PCIe x1 's Advantages

Lower TDP (19W vs 53W)

Score

Benchmark

FP32 (float)

Radeon RX 6400 +3327%

3.565 TFLOPS

Radeon HD 5450 PCIe x1

0.104 TFLOPS

Radeon RX 6400

VS

Radeon HD 5450 PCIe x1

Graphics Card

Jan 2022

Release Date

Feb 2010

Navi II

Generation

Evergreen

Desktop

Type

Desktop

PCIe 4.0 x4

Bus Interface

PCIe 2.0 x1

Clock Speeds

1923 MHz

Base Clock

-

2321 MHz

Boost Clock

-

2000 MHz

Memory Clock

500 MHz

Memory

4GB

Memory Size

512MB

GDDR6

Memory Type

DDR3

64bit

Memory Bus

64bit

128.0GB/s

Bandwidth

8.000GB/s

Render Config

-

SM Count

-

12

Compute Units

2

768

Shading Units

80

48

TMUs

8

32

ROPs

4

-

Tensor Cores

-

12

RT Cores

-

128 KB per Array

L1 Cache

8 KB (per CU)

1024 KB

L2 Cache

128 KB

Theoretical Performance

74.27 GPixel/s

Pixel Rate

2.600 GPixel/s

111.4 GTexel/s

Texture Rate

5.200 GTexel/s

7.130 TFLOPS

FP16 (half)

-

3.565 TFLOPS

FP32 (float)

104.0 GFLOPS

222.8 GFLOPS

FP64 (double)

-

Graphics Processor

Navi 24

GPU Name

Cedar

Navi 24 XL (215-135000046)

GPU Variant

Cedar PRO

RDNA 2.0

Architecture

TeraScale 2

TSMC

Foundry

TSMC

6 nm

Process Size

40 nm

5.4 billion

Transistors

0.292 billion

107 mm²

Die Size

59 mm²

Board Design

53W

TDP

19W

250 W

Suggested PSU

200 W

1x HDMI 2.1 1x DisplayPort 1.4a

Outputs

1x DVI 1x HDMI 1.3a 1x VGA

None

Power Connectors

-

Graphics Features

12 Ultimate (12_2)

DirectX

11.2 (11_0)

4.6

OpenGL

4.4

2.2

OpenCL

1.2

1.3

Vulkan

N/A

-

CUDA

-

6.6

Shader Model

5.0

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