AMD Radeon Pro W6600 vs ATI Radeon HD 4870 Mac Edition

VS

AMD Radeon Pro W6600

ATI Radeon HD 4870 Mac Edition

We compared two Desktop platform GPUs: 8GB VRAM Radeon Pro W6600 and 512MB VRAM Radeon HD 4870 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 12 years and 5 months late

Boost Clock2580MHz

More VRAM (8GB vs 512GB)

Larger VRAM bandwidth (224.0GB/s vs 108.8GB/s)

992 additional rendering cores

Lower TDP (100W vs 150W)

Score

Benchmark

FP32 (float)

Radeon Pro W6600 +670%

9.247 TFLOPS

Radeon HD 4870 Mac Edition

1.2 TFLOPS

Radeon Pro W6600

VS

Radeon HD 4870 Mac Edition

Graphics Card

Jun 2021

Release Date

Jan 2009

Radeon Pro

Generation

Radeon R700

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

850 MHz

Memory

8GB

Memory Size

512MB

GDDR6

Memory Type

GDDR5

128bit

Memory Bus

256bit

224.0GB/s

Bandwidth

108.8GB/s

Render Config

28

Compute Units

10

-

1792

Shading Units

800

112

TMUs

40

64

ROPs

16

-

28

RT Cores

-

128 KB per Array

L1 Cache

16 KB (per CU)

2 MB

L2 Cache

256 KB

32 MB

L3 Cache

-

Theoretical Performance

165.1 GPixel/s

Pixel Rate

12.00 GPixel/s

289.0 GTexel/s

Texture Rate

30.00 GTexel/s

18.49 TFLOPS

FP16 (half)

-

9.247 TFLOPS

FP32 (float)

1200 GFLOPS

577.9 GFLOPS

FP64 (double)

240.0 GFLOPS

Board Design

100W

TDP

150W

300 W

Suggested PSU

450 W

4x DisplayPort 1.4a

Outputs

1x DVI 1x mini-DisplayPort 1.0

1x 6-pin

Power Connectors

2x 6-pin

Graphics Processor

Navi 23

GPU Name

RV770

-

GPU Variant

RV770 XT Mac (215-0669080)

RDNA 2.0

Architecture

TeraScale

TSMC

Foundry

TSMC

7 nm

Process Size

55 nm

11.06 billion

Transistors

0.956 billion

237 mm²

Die Size

256 mm²

Graphics Features

12 Ultimate (12_2)

DirectX

10.1 (10_1)

4.6

OpenGL

3.3

2.1

OpenCL

1.1

1.3

Vulkan

N/A

-

6.5

Shader Model

4.1

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