AMD Radeon RX 6600S vs NVIDIA GeForce GTX 860M

VS

AMD Radeon RX 6600S

NVIDIA GeForce GTX 860M

We compared two Mobile platform GPUs: 4GB VRAM Radeon RX 6600S and 4GB VRAM GeForce GTX 860M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon RX 6600S 's Advantages

Released 8 years late

Boost Clock has increased by 84% (2000MHz vs 1085MHz)

Larger VRAM bandwidth (224.0GB/s vs 80.19GB/s)

1152 additional rendering cores

NVIDIA GeForce GTX 860M 's Advantages

Lower TDP (75W vs 80W)

Score

Benchmark

FP32 (float)

Radeon RX 6600S +416%

7.168 TFLOPS

GeForce GTX 860M

1.389 TFLOPS

Radeon RX 6600S

VS

GeForce GTX 860M

Graphics Card

Jan 2022

Release Date

Jan 2014

Mobility Radeon

Generation

GeForce 800M

Mobile

Type

Mobile

PCIe 4.0 x8

Bus Interface

MXM-B (3.0)

Clock Speeds

1700 MHz

Base Clock

1020 MHz

2000 MHz

Boost Clock

1085 MHz

1750 MHz

Memory Clock

1253 MHz

Memory

4GB

Memory Size

4GB

GDDR6

Memory Type

GDDR5

128bit

Memory Bus

128bit

224.0GB/s

Bandwidth

80.19GB/s

Render Config

28

Compute Units

-

1792

Shading Units

640

112

TMUs

40

64

ROPs

16

-

28

RT Cores

-

128 KB per Array

L1 Cache

64 KB (per SMM)

2 MB

L2 Cache

2 MB

32 MB

L3 Cache

-

Theoretical Performance

128.0 GPixel/s

Pixel Rate

17.36 GPixel/s

224.0 GTexel/s

Texture Rate

43.40 GTexel/s

14.34 TFLOPS

FP16 (half)

-

7.168 TFLOPS

FP32 (float)

1389 GFLOPS

448.0 GFLOPS

FP64 (double)

43.40 GFLOPS

Board Design

80W

TDP

75W

-

No outputs

Outputs

No outputs

None

Power Connectors

None

Graphics Processor

Navi 23

GPU Name

GM107

-

GPU Variant

N15P-GX-A1

RDNA 2.0

Architecture

Maxwell

TSMC

Foundry

TSMC

7 nm

Process Size

28 nm

11.06 billion

Transistors

1.87 billion

237 mm²

Die Size

148 mm²

Graphics Features

12 Ultimate (12_2)

DirectX

12 (11_0)

4.6

OpenGL

4.6

2.1

OpenCL

3.0

1.3

Vulkan

1.3

-

CUDA

5.0

6.5

Shader Model

5.1

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