AMD Radeon RX 6600M vs NVIDIA GeForce GTX 860M OEM

VS

AMD Radeon RX 6600M NVIDIA GeForce GTX 860M OEM

We compared two Mobile platform GPUs: 8GB VRAM Radeon RX 6600M and 2GB VRAM GeForce GTX 860M OEM to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon RX 6600M 's Advantages

Released 6 years and 3 months late

Boost Clock has increased by 123% (2416MHz vs 1085MHz)

More VRAM (8GB vs 2GB)

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

1152 additional rendering cores

NVIDIA GeForce GTX 860M OEM 's Advantages

Lower TDP (75W vs 100W)

Score

Benchmark

FP32 (float)

Radeon RX 6600M +523%

8.659 TFLOPS

GeForce GTX 860M OEM

1.389 TFLOPS

Blender

Radeon RX 6600M +810%

956

GeForce GTX 860M OEM

105

Radeon RX 6600M

VS

GeForce GTX 860M OEM

Graphics Card

May 2021

Release Date

Feb 2015

Mobility Radeon

Generation

GeForce 800M

Mobile

Type

Mobile

PCIe 4.0 x8

Bus Interface

MXM-B (3.0)

Clock Speeds

2068 MHz

Base Clock

1020 MHz

2416 MHz

Boost Clock

1085 MHz

1750 MHz

Memory Clock

1253 MHz

Memory

8GB

Memory Size

2GB

GDDR6

Memory Type

GDDR5

128bit

Memory Bus

128bit

224.0GB/s

Bandwidth

80.19GB/s

Render Config

-

SM Count

-

28

Compute Units

-

1792

Shading Units

640

112

TMUs

40

64

ROPs

16

-

Tensor Cores

-

28

RT Cores

-

128 KB per Array

L1 Cache

64 KB (per SMM)

2 MB

L2 Cache

2 MB

Theoretical Performance

154.6 GPixel/s

Pixel Rate

17.36 GPixel/s

270.6 GTexel/s

Texture Rate

43.40 GTexel/s

17.32 TFLOPS

FP16 (half)

-

8.659 TFLOPS

FP32 (float)

1389 GFLOPS

541.2 GFLOPS

FP64 (double)

43.40 GFLOPS

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

Board Design

100W

TDP

75W

-

Suggested PSU

-

No outputs

Outputs

No outputs

None

Power Connectors

None

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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