AMD Radeon RX 6800 XT vs AMD Radeon 550

VS

AMD Radeon RX 6800 XT

AMD Radeon 550

We compared two Desktop platform GPUs: 16GB VRAM Radeon RX 6800 XT and 2GB VRAM Radeon 550 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon RX 6800 XT 's Advantages

Released 3 years and 6 months late

Boost Clock has increased by 90% (2250MHz vs 1183MHz)

More VRAM (16GB vs 2GB)

Larger VRAM bandwidth (512.0GB/s vs 56.00GB/s)

4096 additional rendering cores

AMD Radeon 550 's Advantages

Lower TDP (50W vs 300W)

Score

Benchmark

FP32 (float)

Radeon RX 6800 XT +1612%

20.74 TFLOPS

Radeon 550

1.211 TFLOPS

Radeon RX 6800 XT

VS

Radeon 550

Graphics Card

Oct 2020

Release Date

Apr 2017

Navi II

Generation

Polaris

Desktop

Type

Desktop

PCIe 4.0 x16

Bus Interface

PCIe 3.0 x8

Clock Speeds

1825 MHz

Base Clock

1100 MHz

2250 MHz

Boost Clock

1183 MHz

2000 MHz

Memory Clock

1750 MHz

Memory

16GB

Memory Size

2GB

GDDR6

Memory Type

GDDR5

256bit

Memory Bus

64bit

512.0GB/s

Bandwidth

56.00GB/s

Render Config

72

Compute Units

8

-

4608

Shading Units

512

288

TMUs

32

128

ROPs

16

-

72

RT Cores

-

128 KB per Array

L1 Cache

16 KB (per CU)

4 MB

L2 Cache

256 KB

128 MB

L3 Cache

-

Theoretical Performance

288.0 GPixel/s

Pixel Rate

18.93 GPixel/s

648.0 GTexel/s

Texture Rate

37.86 GTexel/s

41.47 TFLOPS

FP16 (half)

1211 GFLOPS

20.74 TFLOPS

FP32 (float)

1211 GFLOPS

1296 GFLOPS

FP64 (double)

75.71 GFLOPS

Board Design

300W

TDP

50W

700 W

Suggested PSU

250 W

1x HDMI 2.1 2x DisplayPort 1.4a 1x USB Type-C

Outputs

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

2x 8-pin

Power Connectors

None

Graphics Processor

Navi 21

GPU Name

Lexa

Navi 21 XT (215-121000177)

GPU Variant

Lexa PRO (215-0904018)

RDNA 2.0

Architecture

GCN 4.0

TSMC

Foundry

GlobalFoundries

7 nm

Process Size

14 nm

26.8 billion

Transistors

2.2 billion

520 mm²

Die Size

103 mm²

Graphics Features

12 Ultimate (12_2)

DirectX

12 (12_0)

4.6

OpenGL

4.6

2.1

OpenCL

2.1

1.3

Vulkan

1.3

-

6.5

Shader Model

6.7

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