AMD Radeon HD 8870M vs AMD Radeon Pro W6600M

VS

AMD Radeon HD 8870M

AMD Radeon Pro W6600M

We compared two Mobile platform GPUs: 2GB VRAM Radeon HD 8870M and 8GB VRAM Radeon Pro W6600M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon Pro W6600M 's Advantages

Released 8 years and 2 months late

Boost Clock has increased by 162% (2034MHz vs 775MHz)

More VRAM (8GB vs 2GB)

Larger VRAM bandwidth (224.0GB/s vs 72.00GB/s)

1152 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 8870M

0.992 TFLOPS

Radeon Pro W6600M +634%

7.29 TFLOPS

Radeon HD 8870M

VS

Radeon Pro W6600M

Graphics Card

Apr 2013

Release Date

Jun 2021

Solar System

Generation

Radeon Pro Mobile

Mobile

Type

Mobile

PCIe 3.0 x16

Bus Interface

PCIe 4.0 x16

Clock Speeds

725 MHz

Base Clock

1224 MHz

775 MHz

Boost Clock

2034 MHz

1125 MHz

Memory Clock

1750 MHz

Memory

2GB

Memory Size

8GB

GDDR5

Memory Type

GDDR6

128bit

Memory Bus

128bit

72.00GB/s

Bandwidth

224.0GB/s

Render Config

10

Compute Units

28

-

SM Count

66

640

Shading Units

1792

40

TMUs

112

16

ROPs

64

-

Tensor Cores

264

-

RT Cores

28

16 KB (per CU)

L1 Cache

128 KB per Array

256 KB

L2 Cache

2 MB

-

L3 Cache

32 MB

Theoretical Performance

12.40 GPixel/s

Pixel Rate

130.2 GPixel/s

31.00 GTexel/s

Texture Rate

227.8 GTexel/s

-

FP16 (half)

14.58 TFLOPS

992.0 GFLOPS

FP32 (float)

7.290 TFLOPS

62.00 GFLOPS

FP64 (double)

455.6 GFLOPS

Board Design

Unknown

TDP

90W

-

Suggested PSU

600 W

Portable Device Dependent

Outputs

Portable Device Dependent

-

Power Connectors

None

Graphics Processor

Venus

GPU Name

Navi 23

Venus XT (216-0846000)

GPU Variant

Navi 23 WKS-XM

GCN 1.0

Architecture

RDNA 2.0

TSMC

Foundry

TSMC

28 nm

Process Size

7 nm

1.5 billion

Transistors

11.06 billion

123 mm²

Die Size

237 mm²

Graphics Features

12 (11_1)

DirectX

12 Ultimate (12_2)

4.6

OpenGL

4.6

2.1 (1.2)

OpenCL

2.1

1.2.170

Vulkan

1.3

-

CUDA

8.9

6.5 (5.1)

Shader Model

6.7

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