AMD Radeon RX 6600S vs AMD Radeon RX 6650 XT

VS

AMD Radeon RX 6600S AMD Radeon RX 6650 XT

We compared a Mobile platform GPU: 4GB VRAM Radeon RX 6600S and a Desktop platform GPU: 8GB VRAM Radeon RX 6650 XT to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon RX 6600S 's Advantages

Lower TDP (80W vs 176W)

AMD Radeon RX 6650 XT 's Advantages

Boost Clock has increased by 32% (2635MHz vs 2000MHz)

More VRAM (8GB vs 4GB)

Larger VRAM bandwidth (280.3GB/s vs 224.0GB/s)

256 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon RX 6600S

7.168 TFLOPS

Radeon RX 6650 XT +50%

10.79 TFLOPS

Blender

Radeon RX 6600S

1061

Radeon RX 6650 XT +15%

1229

Radeon RX 6600S

VS

Radeon RX 6650 XT

Graphics Card

Jan 2022

Release Date

May 2022

Mobility Radeon

Generation

Navi II

Mobile

Type

Desktop

PCIe 4.0 x8

Bus Interface

PCIe 4.0 x8

Clock Speeds

1700 MHz

Base Clock

2055 MHz

2000 MHz

Boost Clock

2635 MHz

1750 MHz

Memory Clock

2190 MHz

Memory

4GB

Memory Size

8GB

GDDR6

Memory Type

GDDR6

128bit

Memory Bus

128bit

224.0GB/s

Bandwidth

280.3GB/s

Render Config

-

SM Count

-

28

Compute Units

32

1792

Shading Units

2048

112

TMUs

128

64

ROPs

64

-

Tensor Cores

-

28

RT Cores

32

128 KB per Array

L1 Cache

128 KB per Array

2 MB

L2 Cache

2 MB

Theoretical Performance

128.0 GPixel/s

Pixel Rate

168.6 GPixel/s

224.0 GTexel/s

Texture Rate

337.3 GTexel/s

14.34 TFLOPS

FP16 (half)

21.59 TFLOPS

7.168 TFLOPS

FP32 (float)

10.79 TFLOPS

448.0 GFLOPS

FP64 (double)

674.6 GFLOPS

Graphics Processor

Navi 23

GPU Name

Navi 23

-

GPU Variant

Navi 23 KXT (215-130000136)

RDNA 2.0

Architecture

RDNA 2.0

TSMC

Foundry

TSMC

7 nm

Process Size

7 nm

11.06 billion

Transistors

11.06 billion

237 mm²

Die Size

237 mm²

Board Design

80W

TDP

176W

-

Suggested PSU

450 W

No outputs

Outputs

1x HDMI 2.1 3x DisplayPort 1.4a

None

Power Connectors

1x 8-pin

Graphics Features

12 Ultimate (12_2)

DirectX

12 Ultimate (12_2)

4.6

OpenGL

4.6

2.1

OpenCL

2.1

1.3

Vulkan

1.3

-

CUDA

-

6.5

Shader Model

6.5

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