AMD Radeon RX 6400 vs ATI Radeon X800 GT AGP

VS

AMD Radeon RX 6400

ATI Radeon X800 GT AGP

We compared two Desktop platform GPUs: 4GB VRAM Radeon RX 6400 and 256MB VRAM Radeon X800 GT 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 14 years and 2 months late

Boost Clock2321MHz

More VRAM (4GB vs 256GB)

Larger VRAM bandwidth (128.0GB/s vs 31.55GB/s)

768 additional rendering cores

ATI Radeon X800 GT AGP 's Advantages

Lower TDP (40W vs 53W)

Score

Radeon RX 6400

VS

Radeon X800 GT AGP

Graphics Card

Jan 2022

Release Date

Nov 2007

Navi II

Generation

Radeon R400 AGP

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

493 MHz

Memory

4GB

Memory Size

256MB

GDDR6

Memory Type

GDDR3

64bit

Memory Bus

256bit

128.0GB/s

Bandwidth

31.55GB/s

Render Config

12

Compute Units

-

768

Shading Units

-

48

TMUs

8

32

ROPs

8

-

12

RT Cores

-

128 KB per Array

L1 Cache

-

1024 KB

L2 Cache

-

16 MB

L3 Cache

-

Theoretical Performance

74.27 GPixel/s

Pixel Rate

3.784 GPixel/s

111.4 GTexel/s

Texture Rate

3.784 GTexel/s

7.130 TFLOPS

FP16 (half)

-

3.565 TFLOPS

FP32 (float)

-

222.8 GFLOPS

FP64 (double)

-

Board Design

53W

TDP

40W

250 W

Suggested PSU

200 W

1x HDMI 2.1 1x DisplayPort 1.4a

Outputs

1x DVI 1x VGA 1x S-Video

None

Power Connectors

1x Molex

Graphics Processor

Navi 24

GPU Name

R420

Navi 24 XL (215-135000046)

GPU Variant

R420 GT (215RAACGA12F)

RDNA 2.0

Architecture

R400

TSMC

Foundry

TSMC

6 nm

Process Size

130 nm

5.4 billion

Transistors

0.16 billion

107 mm²

Die Size

281 mm²

Graphics Features

12 Ultimate (12_2)

DirectX

9.0b (9_2)

4.6

OpenGL

2.1

2.2

OpenCL

N/A

1.3

Vulkan

N/A

-

6.7

Shader Model

-

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