ATI Radeon HD 3850 X3 vs AMD Radeon Pro W6800X

VS

ATI Radeon HD 3850 X3

AMD Radeon Pro W6800X

We compared two Desktop platform GPUs: 512MB VRAM Radeon HD 3850 X3 and 32GB VRAM Radeon Pro W6800X to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

ATI Radeon HD 3850 X3 's Advantages

Lower TDP (145W vs 200W)

AMD Radeon Pro W6800X 's Advantages

Boost Clock2087MHz

More VRAM (32GB vs 512GB)

Larger VRAM bandwidth (512.0GB/s vs 54.40GB/s)

3520 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 3850 X3

0.428 TFLOPS

Radeon Pro W6800X +3645%

16.03 TFLOPS

Radeon HD 3850 X3

VS

Radeon Pro W6800X

Graphics Card

Unknown

Release Date

Aug 2021

Radeon R600

Generation

Radeon Pro Mac

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

Apple MPX

Clock Speeds

-

Base Clock

1800 MHz

-

Boost Clock

2087 MHz

850 MHz

Memory Clock

2000 MHz

Memory

512MB

Memory Size

32GB

GDDR3

Memory Type

GDDR6

256bit

Memory Bus

256bit

54.40GB/s

Bandwidth

512.0GB/s

Render Config

4

Compute Units

60

-

320

Shading Units

3840

16

TMUs

240

16

ROPs

96

-

RT Cores

60

-

L1 Cache

128 KB per Array

256 KB

L2 Cache

4 MB

-

L3 Cache

128 MB

Theoretical Performance

10.70 GPixel/s

Pixel Rate

200.4 GPixel/s

10.70 GTexel/s

Texture Rate

500.9 GTexel/s

-

FP16 (half)

32.06 TFLOPS

428.2 GFLOPS

FP32 (float)

16.03 TFLOPS

-

FP64 (double)

1002 GFLOPS

Board Design

145W

TDP

200W

300 W

Suggested PSU

550 W

4x DVI

Outputs

1x HDMI 2.1 4x Thunderbolt

1x 8-pin

Power Connectors

Apple MPX

Graphics Processor

RV670

GPU Name

Navi 21

RV670 PRO (215-0708003)

GPU Variant

Navi 21 Pro-XLA

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

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

-

4.1

Shader Model

6.7

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