AMD Radeon RX 7900 XT vs AMD Radeon HD 8550 OEM

VS

AMD Radeon RX 7900 XT AMD Radeon HD 8550 OEM

We compared two Desktop platform GPUs: 20GB VRAM Radeon RX 7900 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 7900 XT 's Advantages

Released 9 years and 1 months late

Boost Clock2394MHz

More VRAM (20GB vs 1GB)

Larger VRAM bandwidth (800.0GB/s vs 25.60GB/s)

4896 additional rendering cores

AMD Radeon HD 8550 OEM 's Advantages

Lower TDP (60W vs 300W)

Score

Benchmark

FP32 (float)

Radeon RX 7900 XT +8150%

51.48 TFLOPS

Radeon HD 8550 OEM

0.624 TFLOPS

Radeon RX 7900 XT

VS

Radeon HD 8550 OEM

Graphics Card

Nov 2022

Release Date

Oct 2013

Navi III

Generation

Sea Islands

Desktop

Type

Desktop

PCIe 4.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

1387 MHz

Base Clock

-

2394 MHz

Boost Clock

-

2500 MHz

Memory Clock

800 MHz

Memory

20GB

Memory Size

1024MB

GDDR6

Memory Type

GDDR3

320bit

Memory Bus

128bit

800.0GB/s

Bandwidth

25.60GB/s

Render Config

-

SM Count

-

84

Compute Units

6

5376

Shading Units

480

336

TMUs

24

192

ROPs

8

-

Tensor Cores

-

84

RT Cores

-

256 KB per Array

L1 Cache

8 KB (per CU)

6 MB

L2 Cache

256 KB

Theoretical Performance

459.6 GPixel/s

Pixel Rate

5.200 GPixel/s

804.4 GTexel/s

Texture Rate

15.60 GTexel/s

103.0 TFLOPS

FP16 (half)

-

51.48 TFLOPS

FP32 (float)

624.0 GFLOPS

1.609 TFLOPS

FP64 (double)

-

Graphics Processor

Navi 31

GPU Name

Turks

Navi 31 XT (215-145000156)

GPU Variant

Turks PRO (215-0803002)

RDNA 3.0

Architecture

TeraScale 2

TSMC

Foundry

TSMC

5 nm

Process Size

40 nm

57.7 billion

Transistors

0.716 billion

529 mm²

Die Size

118 mm²

Board Design

300W

TDP

60W

700 W

Suggested PSU

250 W

1x HDMI 2.1a 2x DisplayPort 2.1 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

2.2

OpenCL

1.2

1.3

Vulkan

N/A

-

CUDA

-

6.7

Shader Model

5.0

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