NVIDIA GeForce GTX 880M vs AMD Radeon RX 6600M

VS

NVIDIA GeForce GTX 880M

AMD Radeon RX 6600M

We compared two Mobile platform GPUs: 8GB VRAM GeForce GTX 880M and 8GB VRAM Radeon RX 6600M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon RX 6600M 's Advantages

Released 7 years and 2 months late

Boost Clock has increased by 143% (2416MHz vs 993MHz)

Larger VRAM bandwidth (224.0GB/s vs 160.0GB/s)

256 additional rendering cores

Lower TDP (100W vs 122W)

Score

Benchmark

FP32 (float)

GeForce GTX 880M

3.05 TFLOPS

Radeon RX 6600M +183%

8.659 TFLOPS

Blender

GeForce GTX 880M

190

Radeon RX 6600M +430%

1007

GeForce GTX 880M

VS

Radeon RX 6600M

Graphics Card

Mar 2014

Release Date

May 2021

GeForce 800M

Generation

Mobility Radeon

Mobile

Type

Mobile

MXM-B (3.0)

Bus Interface

PCIe 4.0 x8

Clock Speeds

954 MHz

Base Clock

2068 MHz

993 MHz

Boost Clock

2416 MHz

1250 MHz

Memory Clock

1750 MHz

Memory

8GB

Memory Size

8GB

GDDR5

Memory Type

GDDR6

256bit

Memory Bus

128bit

160.0GB/s

Bandwidth

224.0GB/s

Render Config

-

Compute Units

28

-

1536

Shading Units

1792

128

TMUs

112

32

ROPs

64

-

RT Cores

28

16 KB (per SMX)

L1 Cache

128 KB per Array

512 KB

L2 Cache

2 MB

-

L3 Cache

32 MB

Theoretical Performance

31.78 GPixel/s

Pixel Rate

154.6 GPixel/s

127.1 GTexel/s

Texture Rate

270.6 GTexel/s

-

FP16 (half)

17.32 TFLOPS

3.050 TFLOPS

FP32 (float)

8.659 TFLOPS

127.1 GFLOPS

FP64 (double)

541.2 GFLOPS

Board Design

122W

TDP

100W

-

No outputs

Outputs

No outputs

None

Power Connectors

None

Graphics Processor

GK104

GPU Name

Navi 23

N15E-GX-A2

GPU Variant

-

Kepler

Architecture

RDNA 2.0

TSMC

Foundry

TSMC

28 nm

Process Size

7 nm

3.54 billion

Transistors

11.06 billion

294 mm²

Die Size

237 mm²

Graphics Features

12 (11_0)

DirectX

12 Ultimate (12_2)

4.6

OpenGL

4.6

3.0

OpenCL

2.1

1.1

Vulkan

1.3

3.0

CUDA

-

5.1

Shader Model

6.5

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