AMD Radeon RX 550 512SP vs AMD Radeon RX 6600 XT

VS

AMD Radeon RX 550 512SP AMD Radeon RX 6600 XT

We compared two Desktop platform GPUs: 2GB VRAM Radeon RX 550 512SP and 8GB VRAM Radeon RX 6600 XT to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon RX 550 512SP 's Advantages

Lower TDP (50W vs 160W)

AMD Radeon RX 6600 XT 's Advantages

Released 3 years and 9 months late

Boost Clock has increased by 142% (2589MHz vs 1071MHz)

More VRAM (8GB vs 2GB)

Larger VRAM bandwidth (256.0GB/s vs 96.00GB/s)

1536 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon RX 550 512SP

1.097 TFLOPS

Radeon RX 6600 XT +866%

10.6 TFLOPS

Radeon RX 550 512SP

VS

Radeon RX 6600 XT

Graphics Card

Oct 2017

Release Date

Jul 2021

Polaris

Generation

Navi II

Desktop

Type

Desktop

PCIe 3.0 x8

Bus Interface

PCIe 4.0 x8

Clock Speeds

1019 MHz

Base Clock

1968 MHz

1071 MHz

Boost Clock

2589 MHz

1500 MHz

Memory Clock

2000 MHz

Memory

2GB

Memory Size

8GB

GDDR5

Memory Type

GDDR6

128bit

Memory Bus

128bit

96.00GB/s

Bandwidth

256.0GB/s

Render Config

-

SM Count

-

8

Compute Units

32

512

Shading Units

2048

32

TMUs

128

16

ROPs

64

-

Tensor Cores

-

RT Cores

32

16 KB (per CU)

L1 Cache

128 KB per Array

512 KB

L2 Cache

2 MB

Theoretical Performance

17.14 GPixel/s

Pixel Rate

165.7 GPixel/s

34.27 GTexel/s

Texture Rate

331.4 GTexel/s

1097 GFLOPS

FP16 (half)

21.21 TFLOPS

1097 GFLOPS

FP32 (float)

10.60 TFLOPS

68.54 GFLOPS

FP64 (double)

662.8 GFLOPS

Graphics Processor

Baffin

GPU Name

Navi 23

Baffin LE

GPU Variant

Navi 23 XT (215-130000006)

GCN 4.0

Architecture

RDNA 2.0

GlobalFoundries

Foundry

TSMC

14 nm

Process Size

7 nm

3 billion

Transistors

11.06 billion

123 mm²

Die Size

237 mm²

Board Design

50W

TDP

160W

250 W

Suggested PSU

450 W

1x DVI 1x HDMI 2.0b 1x DisplayPort 1.4a

Outputs

1x HDMI 2.1 3x DisplayPort 1.4a

None

Power Connectors

1x 8-pin

Graphics Features

12 (12_0)

DirectX

12 Ultimate (12_2)

4.6

OpenGL

4.6

2.1

OpenCL

2.1

1.2

Vulkan

1.3

-

CUDA

-

6.4

Shader Model

6.7

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