AMD Radeon RX 6800 vs ATI Radeon X1550 PCI

VS

We compared two Desktop platform GPUs: 16GB VRAM Radeon RX 6800 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 6800 's Advantages

Released 13 years and 9 months late

Boost Clock2105MHz

Larger VRAM bandwidth (512.0GB/s vs 4.256GB/s)

3840 additional rendering cores

ATI Radeon X1550 PCI 's Advantages

Lower TDP (27W vs 250W)

Score

Radeon RX 6800

VS

Radeon X1550 PCI

Graphics Card

Oct 2020

Release Date

Jan 2007

Navi II

Generation

Radeon R500 PCIe

Desktop

Type

Desktop

PCIe 4.0 x16

Bus Interface

PCIe 1.0 x16

Clock Speeds

1700 MHz

Base Clock

-

2105 MHz

Boost Clock

-

2000 MHz

Memory Clock

266 MHz

Memory

16GB

Memory Size

256MB

GDDR6

Memory Type

DDR2

256bit

Memory Bus

64bit

512.0GB/s

Bandwidth

4.256GB/s

Render Config

-

SM Count

-

60

Compute Units

-

3840

Shading Units

-

240

TMUs

4

96

ROPs

4

-

Tensor Cores

-

60

RT Cores

-

128 KB per Array

L1 Cache

-

4 MB

L2 Cache

-

Theoretical Performance

202.1 GPixel/s

Pixel Rate

1.808 GPixel/s

505.2 GTexel/s

Texture Rate

1.808 GTexel/s

32.33 TFLOPS

FP16 (half)

-

16.17 TFLOPS

FP32 (float)

-

1010 GFLOPS

FP64 (double)

-

Graphics Processor

Navi 21

GPU Name

RV516

Navi 21 XL (215-121000187)

GPU Variant

-

RDNA 2.0

Architecture

R500

TSMC

Foundry

UMC

7 nm

Process Size

80 nm

26.8 billion

Transistors

0.107 billion

520 mm²

Die Size

100 mm²

Board Design

250W

TDP

27W

600 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 Features

12 Ultimate (12_2)

DirectX

9.0c (9_3)

4.6

OpenGL

2.1

OpenCL

N/A

1.3

Vulkan

N/A

-

CUDA

-

6.5

Shader Model

3.0

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