AMD Radeon Pro W6600 vs ATI Radeon HD 3870 Mac Edition

VS

AMD Radeon Pro W6600 ATI Radeon HD 3870 Mac Edition

We compared two Desktop platform GPUs: 8GB VRAM Radeon Pro W6600 and 512MB VRAM Radeon HD 3870 Mac Edition 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 late

Boost Clock2580MHz

Larger VRAM bandwidth (224.0GB/s vs 72.06GB/s)

1472 additional rendering cores

Lower TDP (100W vs 106W)

Score

Benchmark

FP32 (float)

Radeon Pro W6600 +1760%

9.247 TFLOPS

Radeon HD 3870 Mac Edition

0.497 TFLOPS

Radeon Pro W6600

VS

Radeon HD 3870 Mac Edition

Graphics Card

Jun 2021

Release Date

Jun 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

1126 MHz

Memory

8GB

Memory Size

512MB

GDDR6

Memory Type

GDDR4

128bit

Memory Bus

256bit

224.0GB/s

Bandwidth

72.06GB/s

Render Config

-

SM Count

-

28

Compute Units

4

1792

Shading Units

320

112

TMUs

16

64

ROPs

16

-

Tensor Cores

-

28

RT Cores

-

128 KB per Array

L1 Cache

-

2 MB

L2 Cache

256 KB

Theoretical Performance

165.1 GPixel/s

Pixel Rate

12.43 GPixel/s

289.0 GTexel/s

Texture Rate

12.43 GTexel/s

18.49 TFLOPS

FP16 (half)

-

9.247 TFLOPS

FP32 (float)

497.3 GFLOPS

577.9 GFLOPS

FP64 (double)

99.46 GFLOPS

Graphics Processor

Navi 23

GPU Name

RV670

-

GPU Variant

RV670 XT (215-0708005)

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

Board Design

100W

TDP

106W

300 W

Suggested PSU

300 W

4x DisplayPort 1.4a

Outputs

2x DVI 1x S-Video

1x 6-pin

Power Connectors

1x 6-pin

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

-

CUDA

-

6.5

Shader Model

4.1

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