AMD Radeon RX 6600S vs NVIDIA GeForce GT 745A

VS

AMD Radeon RX 6600S NVIDIA GeForce GT 745A

We compared two Mobile platform GPUs: 4GB VRAM Radeon RX 6600S and 2GB VRAM GeForce GT 745A 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 and 5 months late

Boost Clock has increased by 119% (2000MHz vs 915MHz)

More VRAM (4GB vs 2GB)

Larger VRAM bandwidth (224.0GB/s vs 28.80GB/s)

1408 additional rendering cores

NVIDIA GeForce GT 745A 's Advantages

Lower TDP (33W vs 80W)

Score

Benchmark

FP32 (float)

Radeon RX 6600S +919%

7.168 TFLOPS

GeForce GT 745A

0.703 TFLOPS

Radeon RX 6600S

VS

GeForce GT 745A

Graphics Card

Jan 2022

Release Date

Aug 2013

Mobility Radeon

Generation

GeForce 700A

Mobile

Type

Mobile

PCIe 4.0 x8

Bus Interface

PCIe 3.0 x16

Clock Speeds

1700 MHz

Base Clock

837 MHz

2000 MHz

Boost Clock

915 MHz

1750 MHz

Memory Clock

900 MHz

Memory

4GB

Memory Size

2GB

GDDR6

Memory Type

DDR3

128bit

Memory Bus

128bit

224.0GB/s

Bandwidth

28.80GB/s

Render Config

-

SM Count

-

28

Compute Units

-

1792

Shading Units

384

112

TMUs

32

64

ROPs

16

-

Tensor Cores

-

28

RT Cores

-

128 KB per Array

L1 Cache

16 KB (per SMX)

2 MB

L2 Cache

256 KB

Theoretical Performance

128.0 GPixel/s

Pixel Rate

7.320 GPixel/s

224.0 GTexel/s

Texture Rate

29.28 GTexel/s

14.34 TFLOPS

FP16 (half)

-

7.168 TFLOPS

FP32 (float)

702.7 GFLOPS

448.0 GFLOPS

FP64 (double)

29.28 GFLOPS

Graphics Processor

Navi 23

GPU Name

GK107

-

GPU Variant

N14P-LP

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

Board Design

80W

TDP

33W

-

Suggested PSU

-

No outputs

Outputs

No outputs

None

Power Connectors

-

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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