AMD Radeon HD 8870 OEM vs AMD Radeon Pro W6600

VS

AMD Radeon HD 8870 OEM

AMD Radeon Pro W6600

We compared two Desktop platform GPUs: 2GB VRAM Radeon HD 8870 OEM and 8GB VRAM Radeon Pro W6600 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon Pro W6600 's Advantages

Released 8 years and 5 months late

Boost Clock2580MHz

More VRAM (8GB vs 2GB)

Larger VRAM bandwidth (224.0GB/s vs 153.6GB/s)

512 additional rendering cores

Lower TDP (100W vs 175W)

Score

Benchmark

FP32 (float)

Radeon HD 8870 OEM

2.56 TFLOPS

Radeon Pro W6600 +261%

9.247 TFLOPS

Radeon HD 8870 OEM

VS

Radeon Pro W6600

Graphics Card

Jan 2013

Release Date

Jun 2021

Sea Islands

Generation

Radeon Pro

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 4.0 x8

Clock Speeds

-

Base Clock

2331 MHz

-

Boost Clock

2580 MHz

1200 MHz

Memory Clock

1750 MHz

Memory

2GB

Memory Size

8GB

GDDR5

Memory Type

GDDR6

256bit

Memory Bus

128bit

153.6GB/s

Bandwidth

224.0GB/s

Render Config

20

Compute Units

28

-

1280

Shading Units

1792

80

TMUs

112

32

ROPs

64

-

RT Cores

28

16 KB (per CU)

L1 Cache

128 KB per Array

512 KB

L2 Cache

2 MB

-

L3 Cache

32 MB

Theoretical Performance

32.00 GPixel/s

Pixel Rate

165.1 GPixel/s

80.00 GTexel/s

Texture Rate

289.0 GTexel/s

-

FP16 (half)

18.49 TFLOPS

2.560 TFLOPS

FP32 (float)

9.247 TFLOPS

160.0 GFLOPS

FP64 (double)

577.9 GFLOPS

Board Design

175W

TDP

100W

450 W

Suggested PSU

300 W

1x DVI 1x HDMI 1.4a 2x mini-DisplayPort 1.2

Outputs

4x DisplayPort 1.4a

2x 6-pin

Power Connectors

1x 6-pin

Graphics Processor

Pitcairn

GPU Name

Navi 23

Pitcairn XT (215-0828047)

GPU Variant

-

GCN 1.0

Architecture

RDNA 2.0

TSMC

Foundry

TSMC

28 nm

Process Size

7 nm

2.8 billion

Transistors

11.06 billion

212 mm²

Die Size

237 mm²

Graphics Features

12 (11_1)

DirectX

12 Ultimate (12_2)

4.6

OpenGL

4.6

1.2

OpenCL

2.1

1.2

Vulkan

1.3

-

5.1

Shader Model

6.5

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