AMD Radeon RX 6600 XT vs ATI Radeon X1550 AGP

VS

AMD Radeon RX 6600 XT

ATI Radeon X1550 AGP

We compared two Desktop platform GPUs: 8GB VRAM Radeon RX 6600 XT and 256MB VRAM Radeon X1550 AGP to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon RX 6600 XT 's Advantages

Released 14 years and 6 months late

Boost Clock2589MHz

More VRAM (8GB vs 256GB)

Larger VRAM bandwidth (256.0GB/s vs 5.280GB/s)

2048 additional rendering cores

ATI Radeon X1550 AGP 's Advantages

Lower TDP (27W vs 160W)

Score

Radeon RX 6600 XT

VS

Radeon X1550 AGP

Graphics Card

Jul 2021

Release Date

Jan 2007

Navi II

Generation

Radeon R500 AGP

Desktop

Type

Desktop

PCIe 4.0 x8

Bus Interface

AGP 8x

Clock Speeds

1968 MHz

Base Clock

-

2589 MHz

Boost Clock

-

2000 MHz

Memory Clock

330 MHz

Memory

8GB

Memory Size

256MB

GDDR6

Memory Type

DDR2

128bit

Memory Bus

64bit

256.0GB/s

Bandwidth

5.280GB/s

Render Config

32

Compute Units

-

2048

Shading Units

-

128

TMUs

4

64

ROPs

4

-

32

RT Cores

-

128 KB per Array

L1 Cache

-

2 MB

L2 Cache

-

32 MB

L3 Cache

-

Theoretical Performance

165.7 GPixel/s

Pixel Rate

2.400 GPixel/s

331.4 GTexel/s

Texture Rate

2.400 GTexel/s

21.21 TFLOPS

FP16 (half)

-

10.60 TFLOPS

FP32 (float)

-

662.8 GFLOPS

FP64 (double)

-

Board Design

160W

TDP

27W

450 W

Suggested PSU

200 W

1x HDMI 2.1 3x DisplayPort 1.4a

Outputs

1x DVI 1x VGA 1x S-Video

1x 8-pin

Power Connectors

None

Graphics Processor

Navi 23

GPU Name

RV505

Navi 23 XT (215-130000006)

GPU Variant

-

RDNA 2.0

Architecture

R500

TSMC

Foundry

TSMC

7 nm

Process Size

90 nm

11.06 billion

Transistors

0.107 billion

237 mm²

Die Size

100 mm²

Graphics Features

12 Ultimate (12_2)

DirectX

9.0c (9_3)

4.6

OpenGL

2.1

OpenCL

N/A

1.3

Vulkan

N/A

-

6.7

Shader Model

3.0

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