AMD Radeon RX 6800 XT vs AMD Radeon HD 8550 OEM

VS

AMD Radeon RX 6800 XT AMD Radeon HD 8550 OEM

We compared two Desktop platform GPUs: 16GB VRAM Radeon RX 6800 XT and 1024MB VRAM Radeon HD 8550 OEM 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 7 years late

Boost Clock2250MHz

More VRAM (16GB vs 1GB)

Larger VRAM bandwidth (512.0GB/s vs 25.60GB/s)

4128 additional rendering cores

AMD Radeon HD 8550 OEM 's Advantages

Lower TDP (60W vs 300W)

Score

Benchmark

FP32 (float)

Radeon RX 6800 XT +3223%

20.74 TFLOPS

Radeon HD 8550 OEM

0.624 TFLOPS

Radeon RX 6800 XT

VS

Radeon HD 8550 OEM

Graphics Card

Oct 2020

Release Date

Oct 2013

Navi II

Generation

Sea Islands

Desktop

Type

Desktop

PCIe 4.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

1825 MHz

Base Clock

-

2250 MHz

Boost Clock

-

2000 MHz

Memory Clock

800 MHz

Memory

16GB

Memory Size

1024MB

GDDR6

Memory Type

GDDR3

256bit

Memory Bus

128bit

512.0GB/s

Bandwidth

25.60GB/s

Render Config

-

SM Count

-

72

Compute Units

6

4608

Shading Units

480

288

TMUs

24

128

ROPs

8

-

Tensor Cores

-

72

RT Cores

-

128 KB per Array

L1 Cache

8 KB (per CU)

4 MB

L2 Cache

256 KB

Theoretical Performance

288.0 GPixel/s

Pixel Rate

5.200 GPixel/s

648.0 GTexel/s

Texture Rate

15.60 GTexel/s

41.47 TFLOPS

FP16 (half)

-

20.74 TFLOPS

FP32 (float)

624.0 GFLOPS

1296 GFLOPS

FP64 (double)

-

Graphics Processor

Navi 21

GPU Name

Turks

Navi 21 XT (215-121000177)

GPU Variant

Turks PRO (215-0803002)

RDNA 2.0

Architecture

TeraScale 2

TSMC

Foundry

TSMC

7 nm

Process Size

40 nm

26.8 billion

Transistors

0.716 billion

520 mm²

Die Size

118 mm²

Board Design

300W

TDP

60W

700 W

Suggested PSU

250 W

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

Outputs

1x DVI 1x HDMI 1.3a 1x VGA

2x 8-pin

Power Connectors

None

Graphics Features

12 Ultimate (12_2)

DirectX

11.2 (11_0)

4.6

OpenGL

4.4

2.1

OpenCL

1.2

1.3

Vulkan

N/A

-

CUDA

-

6.5

Shader Model

5.0

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