AMD Radeon RX 6400 vs AMD Radeon HD 7450 OEM

VS

AMD Radeon RX 6400

AMD Radeon HD 7450 OEM

We compared two Desktop platform GPUs: 4GB VRAM Radeon RX 6400 and 512MB VRAM Radeon HD 7450 OEM to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon RX 6400 's Advantages

Released 10 years late

Boost Clock2321MHz

More VRAM (4GB vs 512GB)

Larger VRAM bandwidth (128.0GB/s vs 8.528GB/s)

608 additional rendering cores

AMD Radeon HD 7450 OEM 's Advantages

Lower TDP (18W vs 53W)

Score

Benchmark

FP32 (float)

Radeon RX 6400 +1682%

3.565 TFLOPS

Radeon HD 7450 OEM

0.2 TFLOPS

Radeon RX 6400

VS

Radeon HD 7450 OEM

Graphics Card

Jan 2022

Release Date

Jan 2012

Navi II

Generation

Southern Islands

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

533 MHz

Memory

4GB

Memory Size

512MB

GDDR6

Memory Type

GDDR3

64bit

Memory Bus

64bit

128.0GB/s

Bandwidth

8.528GB/s

Render Config

12

Compute Units

2

-

768

Shading Units

160

48

TMUs

8

32

ROPs

4

-

12

RT Cores

-

128 KB per Array

L1 Cache

8 KB (per CU)

1024 KB

L2 Cache

128 KB

16 MB

L3 Cache

-

Theoretical Performance

74.27 GPixel/s

Pixel Rate

2.500 GPixel/s

111.4 GTexel/s

Texture Rate

5.000 GTexel/s

7.130 TFLOPS

FP16 (half)

-

3.565 TFLOPS

FP32 (float)

200.0 GFLOPS

222.8 GFLOPS

FP64 (double)

-

Board Design

53W

TDP

18W

250 W

Suggested PSU

200 W

1x HDMI 2.1 1x DisplayPort 1.4a

Outputs

1x DVI 1x HDMI 1.3a

None

Power Connectors

None

Graphics Processor

Navi 24

GPU Name

Caicos

Navi 24 XL (215-135000046)

GPU Variant

Caimour

RDNA 2.0

Architecture

TeraScale 2

TSMC

Foundry

TSMC

6 nm

Process Size

40 nm

5.4 billion

Transistors

0.37 billion

107 mm²

Die Size

67 mm²

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

-

6.7

Shader Model

5.0

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