AMD Radeon RX 6600 XT vs ATI Radeon X550 XTX

VS

AMD Radeon RX 6600 XT ATI Radeon X550 XTX

We compared two Desktop platform GPUs: 8GB VRAM Radeon RX 6600 XT and 128MB VRAM Radeon X550 XTX 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

Larger VRAM bandwidth (256.0GB/s vs 4.800GB/s)

2048 additional rendering cores

Score

Radeon RX 6600 XT

VS

Radeon X550 XTX

Graphics Card

Jul 2021

Release Date

Jan 2007

Navi II

Generation

Radeon R300

Desktop

Type

Desktop

PCIe 4.0 x8

Bus Interface

PCIe 1.0 x16

Clock Speeds

1968 MHz

Base Clock

-

2589 MHz

Boost Clock

-

2000 MHz

Memory Clock

300 MHz

Memory

8GB

Memory Size

128MB

GDDR6

Memory Type

DDR

128bit

Memory Bus

64bit

256.0GB/s

Bandwidth

4.800GB/s

Render Config

-

SM Count

-

32

Compute Units

-

2048

Shading Units

-

128

TMUs

8

64

ROPs

8

-

Tensor Cores

-

32

RT Cores

-

128 KB per Array

L1 Cache

-

2 MB

L2 Cache

-

Theoretical Performance

165.7 GPixel/s

Pixel Rate

3.200 GPixel/s

331.4 GTexel/s

Texture Rate

3.200 GTexel/s

21.21 TFLOPS

FP16 (half)

-

10.60 TFLOPS

FP32 (float)

-

662.8 GFLOPS

FP64 (double)

-

Graphics Processor

Navi 23

GPU Name

RV410

Navi 23 XT (215-130000006)

GPU Variant

-

RDNA 2.0

Architecture

R400

TSMC

Foundry

TSMC

7 nm

Process Size

110 nm

11.06 billion

Transistors

0.12 billion

237 mm²

Die Size

156 mm²

Board Design

160W

TDP

Unknown

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 Features

12 Ultimate (12_2)

DirectX

9.0b (9_2)

4.6

OpenGL

2.0

2.1

OpenCL

N/A

1.3

Vulkan

N/A

-

CUDA

-

6.7

Shader Model

-

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