AMD Radeon RX 6800 XT vs ATI Radeon X1600

VS

AMD Radeon RX 6800 XT

ATI Radeon X1600

We compared two Desktop platform GPUs: 16GB VRAM Radeon RX 6800 XT and 512MB VRAM Radeon X1600 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 13 years and 9 months late

Boost Clock2250MHz

More VRAM (16GB vs 512GB)

Larger VRAM bandwidth (512.0GB/s vs 12.80GB/s)

4608 additional rendering cores

ATI Radeon X1600 's Advantages

Lower TDP (27W vs 300W)

Score

Radeon RX 6800 XT

VS

Radeon X1600

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

1825 MHz

Base Clock

-

2250 MHz

Boost Clock

-

2000 MHz

Memory Clock

400 MHz

Memory

16GB

Memory Size

512MB

GDDR6

Memory Type

DDR2

256bit

Memory Bus

128bit

512.0GB/s

Bandwidth

12.80GB/s

Render Config

72

Compute Units

-

4608

Shading Units

-

288

TMUs

4

128

ROPs

4

-

72

RT Cores

-

128 KB per Array

L1 Cache

-

4 MB

L2 Cache

-

128 MB

L3 Cache

-

Theoretical Performance

288.0 GPixel/s

Pixel Rate

2.540 GPixel/s

648.0 GTexel/s

Texture Rate

2.540 GTexel/s

41.47 TFLOPS

FP16 (half)

-

20.74 TFLOPS

FP32 (float)

-

1296 GFLOPS

FP64 (double)

-

Board Design

300W

TDP

27W

700 W

Suggested PSU

200 W

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

Outputs

2x DVI 1x S-Video

2x 8-pin

Power Connectors

None

Graphics Processor

Navi 21

GPU Name

RV516

Navi 21 XT (215-121000177)

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

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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