AMD Radeon RX 7800 XT vs ATI Radeon X1550 PCI

VS

AMD Radeon RX 7800 XT

ATI Radeon X1550 PCI

We compared two Desktop platform GPUs: 16GB VRAM Radeon RX 7800 XT and 256MB VRAM Radeon X1550 PCI to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon RX 7800 XT 's Advantages

Released 16 years and 7 months late

Boost Clock2430MHz

More VRAM (16GB vs 256GB)

Larger VRAM bandwidth (624.1GB/s vs 4.256GB/s)

3840 additional rendering cores

ATI Radeon X1550 PCI 's Advantages

Lower TDP (27W vs 263W)

Score

Radeon RX 7800 XT

VS

Radeon X1550 PCI

Graphics Card

Aug 2023

Release Date

Jan 2007

Navi III

Generation

Radeon R500 PCIe

Desktop

Type

Desktop

PCIe 4.0 x16

Bus Interface

PCIe 1.0 x16

Clock Speeds

1295 MHz

Base Clock

-

2430 MHz

Boost Clock

-

2438 MHz

Memory Clock

266 MHz

Memory

16GB

Memory Size

256MB

GDDR6

Memory Type

DDR2

256bit

Memory Bus

64bit

624.1GB/s

Bandwidth

4.256GB/s

Render Config

60

Compute Units

-

3840

Shading Units

-

240

TMUs

4

96

ROPs

4

-

60

RT Cores

-

128 KB per Array

L1 Cache

-

4 MB

L2 Cache

-

64 MB

L3 Cache

-

Theoretical Performance

233.3 GPixel/s

Pixel Rate

1.808 GPixel/s

583.2 GTexel/s

Texture Rate

1.808 GTexel/s

74.65 TFLOPS

FP16 (half)

-

37.32 TFLOPS

FP32 (float)

-

1166 GFLOPS

FP64 (double)

-

Board Design

263W

TDP

27W

600 W

Suggested PSU

200 W

1x HDMI 2.1a 3x DisplayPort 2.1

Outputs

1x DVI 1x VGA 1x S-Video

2x 8-pin

Power Connectors

None

Graphics Processor

Navi 32

GPU Name

RV516

Navi 32 XT (215-180000006)

GPU Variant

-

RDNA 3.0

Architecture

R500

TSMC

Foundry

UMC

5 nm

Process Size

80 nm

28.1 billion

Transistors

0.107 billion

346 mm²

Die Size

100 mm²

Graphics Features

12 Ultimate (12_2)

DirectX

9.0c (9_3)

4.6

OpenGL

2.1

2.2

OpenCL

N/A

1.3

Vulkan

N/A

-

6.7

Shader Model

3.0

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