AMD Radeon RX 6400 vs ATI Radeon HD 4650 AGP

VS

AMD Radeon RX 6400

ATI Radeon HD 4650 AGP

We compared two Desktop platform GPUs: 4GB VRAM Radeon RX 6400 and 512MB VRAM Radeon HD 4650 AGP 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 12.80GB/s)

448 additional rendering cores

ATI Radeon HD 4650 AGP 's Advantages

Lower TDP (48W vs 53W)

Score

Benchmark

FP32 (float)

Radeon RX 6400 +828%

3.565 TFLOPS

Radeon HD 4650 AGP

0.384 TFLOPS

Radeon RX 6400

VS

Radeon HD 4650 AGP

Graphics Card

Jan 2022

Release Date

Sep 2008

Navi II

Generation

Radeon R700

Desktop

Type

Desktop

PCIe 4.0 x4

Bus Interface

AGP 8x

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

128bit

128.0GB/s

Bandwidth

12.80GB/s

Render Config

12

Compute Units

4

-

768

Shading Units

320

48

TMUs

32

ROPs

8

-

12

RT Cores

-

128 KB per Array

L1 Cache

16 KB (per CU)

1024 KB

L2 Cache

128 KB

16 MB

L3 Cache

-

Theoretical Performance

74.27 GPixel/s

Pixel Rate

4.800 GPixel/s

111.4 GTexel/s

Texture Rate

19.20 GTexel/s

7.130 TFLOPS

FP16 (half)

-

3.565 TFLOPS

FP32 (float)

384.0 GFLOPS

222.8 GFLOPS

FP64 (double)

-

Board Design

53W

TDP

48W

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 Processor

Navi 24

GPU Name

RV730

Navi 24 XL (215-135000046)

GPU Variant

RV730 PRO (215-0719056)

RDNA 2.0

Architecture

TeraScale

TSMC

Foundry

TSMC

6 nm

Process Size

55 nm

5.4 billion

Transistors

0.514 billion

107 mm²

Die Size

146 mm²

Graphics Features

12 Ultimate (12_2)

DirectX

10.1 (10_1)

4.6

OpenGL

3.3

2.2

OpenCL

1.1

1.3

Vulkan

N/A

-

6.7

Shader Model

4.1

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