AMD Radeon RX 6600M vs NVIDIA GeForce GT 755M Mac Edition

VS

AMD Radeon RX 6600M

NVIDIA GeForce GT 755M Mac Edition

We compared two Mobile platform GPUs: 8GB VRAM Radeon RX 6600M and 1024MB VRAM GeForce GT 755M Mac Edition 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 6 months late

Boost Clock2416MHz

More VRAM (8GB vs 1024GB)

Larger VRAM bandwidth (224.0GB/s vs 80.00GB/s)

1408 additional rendering cores

NVIDIA GeForce GT 755M Mac Edition 's Advantages

Lower TDP (50W vs 100W)

Score

Benchmark

FP32 (float)

Radeon RX 6600M +939%

8.659 TFLOPS

GeForce GT 755M Mac Edition

0.833 TFLOPS

Radeon RX 6600M

VS

GeForce GT 755M Mac Edition

Graphics Card

May 2021

Release Date

Nov 2013

Mobility Radeon

Generation

GeForce 700M

Mobile

Type

Mobile

PCIe 4.0 x8

Bus Interface

PCIe 3.0 x16

Clock Speeds

2068 MHz

Base Clock

-

2416 MHz

Boost Clock

-

1750 MHz

Memory Clock

1250 MHz

Memory

8GB

Memory Size

1024MB

GDDR6

Memory Type

GDDR5

128bit

Memory Bus

128bit

224.0GB/s

Bandwidth

80.00GB/s

Render Config

28

Compute Units

-

1792

Shading Units

384

112

TMUs

32

64

ROPs

16

-

28

RT Cores

-

128 KB per Array

L1 Cache

16 KB (per SMX)

2 MB

L2 Cache

256 KB

32 MB

L3 Cache

-

Theoretical Performance

154.6 GPixel/s

Pixel Rate

8.680 GPixel/s

270.6 GTexel/s

Texture Rate

34.72 GTexel/s

17.32 TFLOPS

FP16 (half)

-

8.659 TFLOPS

FP32 (float)

833.3 GFLOPS

541.2 GFLOPS

FP64 (double)

34.72 GFLOPS

Board Design

100W

TDP

50W

-

No outputs

Outputs

No outputs

None

Power Connectors

-

Graphics Processor

Navi 23

GPU Name

GK107

-

GPU Variant

GT 755M

RDNA 2.0

Architecture

Kepler

TSMC

Foundry

TSMC

7 nm

Process Size

28 nm

11.06 billion

Transistors

1.27 billion

237 mm²

Die Size

118 mm²

Graphics Features

12 Ultimate (12_2)

DirectX

12 (11_0)

4.6

OpenGL

4.6

2.1

OpenCL

3.0

1.3

Vulkan

1.1

-

CUDA

3.0

6.5

Shader Model

5.1

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