ATI Radeon HD 3850 AGP vs AMD Radeon RX 6800

VS

ATI Radeon HD 3850 AGP AMD Radeon RX 6800

We compared two Desktop platform GPUs: 512MB VRAM Radeon HD 3850 AGP and 16GB VRAM Radeon RX 6800 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

ATI Radeon HD 3850 AGP 's Advantages

Lower TDP (75W vs 250W)

AMD Radeon RX 6800 's Advantages

Released 12 years and 9 months late

Boost Clock2105MHz

Larger VRAM bandwidth (512.0GB/s vs 52.99GB/s)

3520 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 3850 AGP

0.428 TFLOPS

Radeon RX 6800 +3678%

16.17 TFLOPS

Radeon HD 3850 AGP

VS

Radeon RX 6800

Graphics Card

Jan 2008

Release Date

Oct 2020

Radeon R600

Generation

Navi II

Desktop

Type

Desktop

AGP 8x

Bus Interface

PCIe 4.0 x16

Clock Speeds

-

Base Clock

1700 MHz

-

Boost Clock

2105 MHz

828 MHz

Memory Clock

2000 MHz

Memory

512MB

Memory Size

16GB

GDDR3

Memory Type

GDDR6

256bit

Memory Bus

256bit

52.99GB/s

Bandwidth

512.0GB/s

Render Config

-

SM Count

-

4

Compute Units

60

320

Shading Units

3840

16

TMUs

240

16

ROPs

96

-

Tensor Cores

-

RT Cores

60

-

L1 Cache

128 KB per Array

256 KB

L2 Cache

4 MB

Theoretical Performance

10.69 GPixel/s

Pixel Rate

202.1 GPixel/s

10.69 GTexel/s

Texture Rate

505.2 GTexel/s

-

FP16 (half)

32.33 TFLOPS

427.5 GFLOPS

FP32 (float)

16.17 TFLOPS

85.50 GFLOPS

FP64 (double)

1010 GFLOPS

Graphics Processor

RV670

GPU Name

Navi 21

RV670 PRO (215-0708003)

GPU Variant

Navi 21 XL (215-121000187)

TeraScale

Architecture

RDNA 2.0

TSMC

Foundry

TSMC

55 nm

Process Size

7 nm

0.666 billion

Transistors

26.8 billion

192 mm²

Die Size

520 mm²

Board Design

75W

TDP

250W

250 W

Suggested PSU

600 W

2x DVI 1x S-Video

Outputs

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

1x 8-pin

Power Connectors

2x 8-pin

Graphics Features

10.1 (10_1)

DirectX

12 Ultimate (12_2)

3.3 (full) 4.0 (partial)

OpenGL

4.6

N/A

OpenCL

2.1

N/A

Vulkan

1.3

-

CUDA

-

4.1

Shader Model

6.5

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