AMD Radeon RX 6800 vs ATI Radeon HD 3650 AGP

VS

AMD Radeon RX 6800

ATI Radeon HD 3650 AGP

We compared two Desktop platform GPUs: 16GB VRAM Radeon RX 6800 and 512MB VRAM Radeon HD 3650 AGP to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon RX 6800 's Advantages

Released 12 years and 9 months late

Boost Clock2105MHz

More VRAM (16GB vs 512GB)

Larger VRAM bandwidth (512.0GB/s vs 16.00GB/s)

3720 additional rendering cores

ATI Radeon HD 3650 AGP 's Advantages

Lower TDP (65W vs 250W)

Score

Benchmark

FP32 (float)

Radeon RX 6800 +9193%

16.17 TFLOPS

Radeon HD 3650 AGP

0.174 TFLOPS

Radeon RX 6800

VS

Radeon HD 3650 AGP

Graphics Card

Oct 2020

Release Date

Jan 2008

Navi II

Generation

Radeon R600(HD 3600)

Desktop

Type

Desktop

PCIe 4.0 x16

Bus Interface

AGP 8x

Clock Speeds

1700 MHz

Base Clock

-

2105 MHz

Boost Clock

-

2000 MHz

Memory Clock

500 MHz

Memory

16GB

Memory Size

512MB

GDDR6

Memory Type

DDR2

256bit

Memory Bus

128bit

512.0GB/s

Bandwidth

16.00GB/s

Render Config

60

Compute Units

3

-

3840

Shading Units

120

240

TMUs

8

96

ROPs

4

-

60

RT Cores

-

128 KB per Array

L1 Cache

-

4 MB

L2 Cache

128 KB

128 MB

L3 Cache

-

Theoretical Performance

202.1 GPixel/s

Pixel Rate

2.900 GPixel/s

505.2 GTexel/s

Texture Rate

5.800 GTexel/s

32.33 TFLOPS

FP16 (half)

-

16.17 TFLOPS

FP32 (float)

174.0 GFLOPS

1010 GFLOPS

FP64 (double)

-

Board Design

250W

TDP

65W

600 W

Suggested PSU

250 W

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

Outputs

2x DVI1x S-Video

2x 8-pin

Power Connectors

Floppy

Graphics Processor

Navi 21

GPU Name

RV635

Navi 21 XL (215-121000187)

GPU Variant

RV635 PRO AGP (215-0682020)

RDNA 2.0

Architecture

TeraScale

TSMC

Foundry

TSMC

7 nm

Process Size

55 nm

26.8 billion

Transistors

0.378 billion

520 mm²

Die Size

135 mm²

Graphics Features

12 Ultimate (12_2)

DirectX

10.1 (10_1)

4.6

OpenGL

3.3

2.1

OpenCL

N/A

1.3

Vulkan

N/A

-

6.5

Shader Model

4.1

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