AMD Radeon RX 6900 XTX vs ATI Radeon X1550 AGP

VS

AMD Radeon RX 6900 XTX

ATI Radeon X1550 AGP

We compared two Desktop platform GPUs: 16GB VRAM Radeon RX 6900 XTX and 256MB VRAM Radeon X1550 AGP to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon RX 6900 XTX 's Advantages

Boost Clock2435MHz

More VRAM (16GB vs 256GB)

Larger VRAM bandwidth (576.0GB/s vs 5.280GB/s)

5120 additional rendering cores

ATI Radeon X1550 AGP 's Advantages

Lower TDP (27W vs 330W)

Score

Radeon RX 6900 XTX

VS

Radeon X1550 AGP

Graphics Card

Unknown

Release Date

Jan 2007

Navi II

Generation

Radeon R500 AGP

Desktop

Type

Desktop

PCIe 4.0 x16

Bus Interface

AGP 8x

Clock Speeds

2075 MHz

Base Clock

-

2435 MHz

Boost Clock

-

2250 MHz

Memory Clock

330 MHz

Memory

16GB

Memory Size

256MB

GDDR6

Memory Type

DDR2

256bit

Memory Bus

64bit

576.0GB/s

Bandwidth

5.280GB/s

Render Config

80

Compute Units

-

5120

Shading Units

-

320

TMUs

4

128

ROPs

4

-

80

RT Cores

-

128 KB per Array

L1 Cache

-

4 MB

L2 Cache

-

128 MB

L3 Cache

-

Theoretical Performance

311.7 GPixel/s

Pixel Rate

2.400 GPixel/s

779.2 GTexel/s

Texture Rate

2.400 GTexel/s

49.87 TFLOPS

FP16 (half)

-

24.93 TFLOPS

FP32 (float)

-

1.558 TFLOPS

FP64 (double)

-

Board Design

330W

TDP

27W

700 W

Suggested PSU

200 W

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

Outputs

1x DVI 1x VGA 1x S-Video

2x 8-pin

Power Connectors

None

Graphics Processor

Navi 21

GPU Name

RV505

Navi 21 XTXH (215-121000247)

GPU Variant

-

RDNA 2.0

Architecture

R500

TSMC

Foundry

TSMC

7 nm

Process Size

90 nm

26.8 billion

Transistors

0.107 billion

520 mm²

Die Size

100 mm²

Graphics Features

12 Ultimate (12_2)

DirectX

9.0c (9_3)

4.6

OpenGL

2.1

OpenCL

N/A

1.3

Vulkan

N/A

-

6.5

Shader Model

3.0

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