AMD Radeon RX 6600S vs NVIDIA GeForce RTX 5090 Mobile

VS

AMD Radeon RX 6600S

NVIDIA GeForce RTX 5090 Mobile

We compared two Mobile platform GPUs: 4GB VRAM Radeon RX 6600S and 16GB VRAM GeForce RTX 5090 Mobile 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 175W)

NVIDIA GeForce RTX 5090 Mobile 's Advantages

Released 3 years late

More VRAM (16GB vs 4GB)

Larger VRAM bandwidth (1.01TB/s vs 224.0GB/s)

8960 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon RX 6600S

7.168 TFLOPS

GeForce RTX 5090 Mobile +500%

43.01 TFLOPS

Radeon RX 6600S

VS

GeForce RTX 5090 Mobile

Graphics Card

Jan 2022

Release Date

Jan 2025

Mobility Radeon

Generation

GeForce 50 Mobile

Mobile

Type

Mobile

PCIe 4.0 x8

Bus Interface

PCIe 5.0 x16

Clock Speeds

1700 MHz

Base Clock

1500 MHz

2000 MHz

Boost Clock

2000 MHz

1750 MHz

Memory Clock

2500 MHz

Memory

4GB

Memory Size

16GB

GDDR6

Memory Type

GDDR7

128bit

Memory Bus

256bit

224.0GB/s

Bandwidth

1.01TB/s

Render Config

28

Compute Units

-

SM Count

84

1792

Shading Units

10752

112

TMUs

336

64

ROPs

128

-

Tensor Cores

336

28

RT Cores

84

128 KB per Array

L1 Cache

128 KB (per SM)

2 MB

L2 Cache

64 MB

32 MB

L3 Cache

-

Theoretical Performance

128.0 GPixel/s

Pixel Rate

256.0 GPixel/s

224.0 GTexel/s

Texture Rate

672.0 GTexel/s

14.34 TFLOPS

FP16 (half)

43.01 TFLOPS

7.168 TFLOPS

FP32 (float)

43.01 TFLOPS

448.0 GFLOPS

FP64 (double)

672.0 GFLOPS

Board Design

80W

TDP

175W

-

Suggested PSU

550 W

No outputs

Outputs

1x HDMI 2.13x DisplayPort 1.4a

None

Power Connectors

None

Graphics Processor

Navi 23

GPU Name

GB203

-

RDNA 2.0

Architecture

Blackwell 2.0

TSMC

Foundry

TSMC

7 nm

Process Size

4 nm

11.06 billion

Transistors

Unknown

237 mm²

Die Size

377 mm²

Graphics Features

12 Ultimate (12_2)

DirectX

12 Ultimate (12_2)

4.6

OpenGL

4.6

2.1

OpenCL

3.0

1.3

Vulkan

1.3

-

CUDA

10.1

6.5

Shader Model

6.8

Related GPU Comparisons

1

AMD Radeon RX 6600S vs NVIDIA GeForce GTX 965M

2

AMD Radeon RX 6600S vs AMD Radeon Pro Vega 64X

3

AMD Radeon RX 6600S vs NVIDIA GeForce GTX 760M

4

AMD Radeon RX 6600S vs NVIDIA GeForce GT 710M

5

AMD Radeon RX 6600S vs AMD Radeon HD 8770M

6

AMD Radeon RX 6600S vs AMD FirePro M8900

7

AMD Radeon RX 6600S vs NVIDIA GeForce RTX 2070 Max Q Refresh

8

AMD Radeon RX 6600S vs AMD Radeon HD 6630M

9

AMD Radeon RX 6600S vs NVIDIA GeForce 720M

10

AMD Radeon RX 6600S vs NVIDIA GeForce GT 120M

Related News

1

Double the Excitement! AMD FSR 4.0 to Launch Alongside RX 9070 XT Graphics Card

2

CPU-Z Minor Update: Support for Intel's Four New Products and New Memory

3

CXMT Reportedly Achieves 80% Yield in DDR5 Production

4

Intel Wildcat Lake Appears on Shipping List with FCBGA1516 Socket, Poised to Replace Alder Lake-N

5

The Commencement of ARM and Qualcomm Licensing Dispute Trial: Potential Major Impact on PC Market

6

NVIDIA Allegedly Equips RTX 5080 with 30Gbps Memory Speed, Other Models to Feature 28Gbps

7

Intel Reports High Return Rates for Devices Featuring Snapdragon X Series; Qualcomm Counters with 'Industry Standard' Claim

8

Intel Confirms Panther Lake Adopts 18A Process, ES0 Samples Already Sent to Customers

9

Complete Lineup of Core Ultra 200HX/H/U and Core 200H/U Revealed: 31 Models to Dazzle the Eyes

10

Amechi Unveils V1 Mini PC: Only 0.33L Volume with 150W Power Consumption