AMD Radeon Pro W6600 vs ATI Radeon HD 3870 X2

VS

AMD Radeon Pro W6600

ATI Radeon HD 3870 X2

We compared two Desktop platform GPUs: 8GB VRAM Radeon Pro W6600 and 512MB VRAM Radeon HD 3870 X2 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon Pro W6600 's Advantages

Released 13 years and 5 months late

Boost Clock2580MHz

More VRAM (8GB vs 512GB)

Larger VRAM bandwidth (224.0GB/s vs 57.66GB/s)

1472 additional rendering cores

Lower TDP (100W vs 165W)

Score

Benchmark

FP32 (float)

Radeon Pro W6600 +1651%

9.247 TFLOPS

Radeon HD 3870 X2

0.528 TFLOPS

Radeon Pro W6600

VS

Radeon HD 3870 X2

Graphics Card

Jun 2021

Release Date

Jan 2008

Radeon Pro

Generation

Radeon R600

Desktop

Type

Desktop

PCIe 4.0 x8

Bus Interface

PCIe 2.0 x16

Clock Speeds

2331 MHz

Base Clock

-

2580 MHz

Boost Clock

-

1750 MHz

Memory Clock

901 MHz

Memory

8GB

Memory Size

512MB

GDDR6

Memory Type

GDDR3

128bit

Memory Bus

256bit

224.0GB/s

Bandwidth

57.66GB/s

Render Config

28

Compute Units

4

-

1792

Shading Units

320

112

TMUs

16

64

ROPs

16

-

28

RT Cores

-

128 KB per Array

L1 Cache

-

2 MB

L2 Cache

256 KB

32 MB

L3 Cache

-

Theoretical Performance

165.1 GPixel/s

Pixel Rate

13.20 GPixel/s

289.0 GTexel/s

Texture Rate

13.20 GTexel/s

18.49 TFLOPS

FP16 (half)

-

9.247 TFLOPS

FP32 (float)

528.0 GFLOPS

577.9 GFLOPS

FP64 (double)

105.6 GFLOPS

Board Design

100W

TDP

165W

300 W

Suggested PSU

450 W

4x DisplayPort 1.4a

Outputs

2x DVI 1x S-Video

1x 6-pin

Power Connectors

1x 6-pin + 1x 8-pin

Graphics Processor

Navi 23

GPU Name

R680

-

GPU Variant

R680 XT (215-0708017)

RDNA 2.0

Architecture

TeraScale

TSMC

Foundry

TSMC

7 nm

Process Size

55 nm

11.06 billion

Transistors

0.666 billion

237 mm²

Die Size

192 mm²

Graphics Features

12 Ultimate (12_2)

DirectX

10.1 (10_1)

4.6

OpenGL

3.3 (full) 4.0 (partial)

2.1

OpenCL

N/A

1.3

Vulkan

N/A

-

6.5

Shader Model

4.1

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