Radeon RX 6600S vs RTX A3000 Mobile

AMD

Radeon RX 6600S

2022Core: 1700 MHzBoost: 2000 MHz

Popular choices:

VS
NVIDIA

RTX A3000 Mobile

2021Core: 600 MHzBoost: 1230 MHz

Popular choices:

Performance Spectrum - GPU

About G3D Mark

G3D Mark is a standard benchmark that measures graphics performance in real-world gaming scenarios. It simplifies comparing cards from different brands, where higher scores directly correlate with better fps and smoother gaming experiences.

Head-to-Head Verdict, Benchmarks, Value & Long-Term Outlook

This comparison brings together gaming FPS, raw graphics performance, VRAM, feature set, power efficiency, pricing context, and long-term value so you can see which GPU actually makes more sense.

Radeon RX 6600S

2022

Why buy it

  • Delivers 100+% more G3D Mark for each dollar spent, at 32.5 vs 0 G3D/$ ($400 MSRP vs Unknown MSRP).
  • Access to a newer frame-generation stack with FSR Frame Generation + AFMF (2023).
  • More future proof: RDNA 2.0 (2020−2025) on 7nm with a newer platform for upcoming games.

Trade-offs

  • Less VRAM, with 4 GB vs 8 GB for high-resolution textures and newer games.

RTX A3000 Mobile

2021

Why buy it

  • 100% more VRAM for high-resolution textures and newer games (8 GB vs 4 GB).

Trade-offs

  • No equivalent frame-generation stack like FSR Frame Generation + AFMF (2023).
  • Weaker long-term outlook: Radeon RX 6600S is the safer future-proof pick thanks to newer hardware and better gaming feature support.
  • Lower G3D Mark per dollar, at 0 vs 32.5 G3D/$ (Unknown MSRP vs $400 MSRP).

Quick Answers

So, is Radeon RX 6600S better than RTX A3000 Mobile?
Yes, but this is not really about a huge raw performance gap. The broader synthetic picture is also very close at 13,016 vs 12,720 in G3D Mark. The bigger reason to prefer Radeon RX 6600S is the overall package: you are getting a newer generation, FSR 3 + AFMF.
Which one is more future-proof for 2026 and beyond?
Radeon RX 6600S is the more future-proof choice for 2026 and beyond. You are getting a newer 2022 generation instead of 2021, better upscaling support with FSR 3 (2023) instead of no meaningful modern upscaling stack and better frame-generation support with FSR Frame Generation + AFMF (2023) instead of no meaningful modern upscaling stack, and a 7nm process instead of 8nm. That broader feature stack should age better as more games lean on modern upscaling and frame-generation support.
Which one is the smarter buy today, not just the cheaper card?
Radeon RX 6600S can still make sense if you find it at the right price, especially around $400 MSRP. Radeon RX 6600S is still the smarter buy for most people, though, because the raw performance is close while the overall package is cleaner. Radeon RX 6600S is priced in an unclear MSRP range at $400 MSRP versus an unclear MSRP, and you are getting 2.3% higher G3D Mark. Moving to $400 MSRP gets you newer hardware, and FSR 3 + AFMF.
Is RTX A3000 Mobile still worth buying for gaming in 2026?
Yes. RTX A3000 Mobile is still a strong gaming card in 2026: it is very strong for 1080p, good for 1440p, and more limited at 4K. Price is really the swing factor here. If you find it at or below an unclear MSRP, it remains a very sensible buy. Radeon RX 6600S is still the safer recommendation for most fresh builds because it offers a cleaner overall package with newer hardware and FSR 3 + AFMF.

Games Benchmarks

Real-world benchmarks and performance projections based on comprehensive hardware analysis and comparative metrics. Values represent expected performance on High/Ultra settings at 1080p, 1440p, and 4K. Modeled using a Ryzen 7 9800X3D reference profile to minimize specific CPU bottlenecks.

Note: Performance behavior can vary per game. Specific architectures may perform better or worse depending on game engine optimizations and API implementation.

Path of Exile 2

Path of Exile 2

PresetRadeon RX 6600SRTX A3000 Mobile
1080p
low157 FPS142 FPS
medium144 FPS120 FPS
high125 FPS99 FPS
ultra94 FPS60 FPS
1440p
low137 FPS119 FPS
medium117 FPS100 FPS
high100 FPS74 FPS
ultra78 FPS44 FPS
4K
low64 FPS43 FPS
medium56 FPS39 FPS
high48 FPS24 FPS
ultra43 FPS20 FPS
Counter-Strike 2

Counter-Strike 2

PresetRadeon RX 6600SRTX A3000 Mobile
1080p
low287 FPS188 FPS
medium235 FPS149 FPS
high185 FPS118 FPS
ultra145 FPS95 FPS
1440p
low182 FPS129 FPS
medium147 FPS104 FPS
high115 FPS85 FPS
ultra92 FPS67 FPS
4K
low98 FPS70 FPS
medium78 FPS56 FPS
high64 FPS47 FPS
ultra49 FPS35 FPS
League of Legends

League of Legends

PresetRadeon RX 6600SRTX A3000 Mobile
1080p
low498 FPS572 FPS
medium438 FPS458 FPS
high346 FPS382 FPS
ultra293 FPS286 FPS
1440p
low347 FPS429 FPS
medium316 FPS343 FPS
high262 FPS286 FPS
ultra213 FPS215 FPS
4K
low226 FPS286 FPS
medium196 FPS229 FPS
high150 FPS191 FPS
ultra112 FPS143 FPS
Valorant

Valorant

PresetRadeon RX 6600SRTX A3000 Mobile
1080p
low327 FPS339 FPS
medium261 FPS296 FPS
high235 FPS249 FPS
ultra200 FPS195 FPS
1440p
low250 FPS253 FPS
medium199 FPS228 FPS
high174 FPS192 FPS
ultra146 FPS147 FPS
4K
low134 FPS151 FPS
medium107 FPS130 FPS
high99 FPS107 FPS
ultra79 FPS82 FPS

Technical Specifications

Side-by-side comparison of Radeon RX 6600S and RTX A3000 Mobile

AMD

Radeon RX 6600S

The Radeon RX 6600S is manufactured by AMD. It was released in January 4 2022. It features the RDNA 2.0 architecture. The core clock ranges from 1700 MHz to 2000 MHz. It has 1792 shading units. The thermal design power (TDP) is 80W. Manufactured using 7 nm process technology. It features 28 dedicated ray tracing cores for enhanced lighting effects. G3D Mark benchmark score: 13,016 points.

NVIDIA

RTX A3000 Mobile

The RTX A3000 Mobile is manufactured by NVIDIA. It was released in April 12 2021. It features the Ampere architecture. The core clock ranges from 600 MHz to 1230 MHz. It has 4096 shading units. The thermal design power (TDP) is 70W. Manufactured using 8 nm process technology. It features 32 dedicated ray tracing cores for enhanced lighting effects. G3D Mark benchmark score: 12,720 points.

Graphics Performance

The Radeon RX 6600S scores 13,016 and the RTX A3000 Mobile reaches 12,720 in the G3D Mark benchmark — just a 2.3% difference, making them near-identical in rasterization performance. The Radeon RX 6600S is built on RDNA 2.0 while the RTX A3000 Mobile uses Ampere, both on 7 nm vs 8 nm. Shader units: 1,792 (Radeon RX 6600S) vs 4,096 (RTX A3000 Mobile). Raw compute: 7.168 TFLOPS (Radeon RX 6600S) vs 10.08 TFLOPS (RTX A3000 Mobile). Boost clocks: 2000 MHz vs 1230 MHz. Ray tracing: 28 RT cores (Radeon RX 6600S) vs 32 (RTX A3000 Mobile) vs 128.

FeatureRadeon RX 6600SRTX A3000 Mobile
G3D Mark Score
13,016+2%
12,720
Architecture
RDNA 2.0
Ampere
Process Node
7 nm
8 nm
Shading Units
1792
4096+129%
Compute (TFLOPS)
7.168 TFLOPS
10.08 TFLOPS+41%
Boost Clock
2000 MHz+63%
1230 MHz
ROPs
64
64
TMUs
112
128+14%
L1 Cache
0.5 MB
4 MB+700%
L2 Cache
2 MB
4 MB+100%
Ray Tracing Cores
28
32+14%

Advanced Features (DLSS/FSR)

A critical advantage for the Radeon RX 6600S is support for FSR Frame Generation + AFMF. This allows it to generate entire frames using AI/Algorithms, essentially doubling the frame rate in CPU-bound scenarios or heavy ray-tracing titles. The RTX A3000 Mobile lacks specific hardware/driver support for this native frame generation tier.The RTX A3000 Mobile gives access to NVIDIA DLSS (Deep Learning Super Sampling), widely regarding as the superior upscaling method for image quality. The Radeon RX 6600S relies on FSR (FidelityFX Super Resolution), which is capable but generally slightly noisier than DLSS in motion.

FeatureRadeon RX 6600SRTX A3000 Mobile
Upscaling Tech
FSR 3
Upscaling support
Frame Generation
FSR Frame Generation + AFMF
Not Supported
Ray Reconstruction
No
No
Low Latency
AMD Anti-Lag
NVIDIA Reflex
💾

Video Memory (VRAM)

The Radeon RX 6600S comes with 4 GB of VRAM, while the RTX A3000 Mobile has 8 GB. The RTX A3000 Mobile offers 100% more capacity, crucial for higher resolutions and texture-heavy games. Bus width: 128-bit vs 128-bit. L2 Cache: 2 MB (Radeon RX 6600S) vs 4 MB (RTX A3000 Mobile) — the RTX A3000 Mobile has significantly larger on-die cache to reduce VRAM reliance.

FeatureRadeon RX 6600SRTX A3000 Mobile
VRAM Capacity
4 GB
8 GB+100%
Memory Type
GDDR6
GDDR6
Bus Width
128-bit
128-bit
L2 Cache
2 MB
4 MB+100%
🖥️

Display & API Support

DirectX support: 12_2 (Radeon RX 6600S) vs 12.2 (RTX A3000 Mobile). Vulkan: 1.4 vs 1.3. OpenGL: 4.6 vs 4.6. Maximum simultaneous displays: 0 vs 4.

FeatureRadeon RX 6600SRTX A3000 Mobile
DirectX
12_2
12.2+2%
Vulkan
1.4+8%
1.3
OpenGL
4.6
4.6
Max Displays
0
4
🎬

Media & Encoding

Hardware encoder: VCN 3.0 (Radeon RX 6600S) vs 7th Gen NVENC (RTX A3000 Mobile). Decoder: VCN 3.0 vs 5th Gen NVDEC. Supported codecs: H.264,H.265/HEVC (Radeon RX 6600S) vs MPEG-2,H.264,HEVC,VP9,AV1 (Decode) (RTX A3000 Mobile).

FeatureRadeon RX 6600SRTX A3000 Mobile
Encoder
VCN 3.0
7th Gen NVENC
Decoder
VCN 3.0
5th Gen NVDEC
Codecs
H.264,H.265/HEVC
MPEG-2,H.264,HEVC,VP9,AV1 (Decode)
🔌

Power & Dimensions

The Radeon RX 6600S draws 80W versus the RTX A3000 Mobile's 70W — a 13.3% difference. The RTX A3000 Mobile is more power-efficient. Recommended PSU: 500W (Radeon RX 6600S) vs 500W (RTX A3000 Mobile). Power connectors: Mobile vs PCIe-powered. Card length: 1mm vs 0mm, occupying 0 vs 0 slots.

FeatureRadeon RX 6600SRTX A3000 Mobile
TDP
80W
70W-13%
Recommended PSU
500W
500W
Power Connector
Mobile
PCIe-powered
Length
1mm
0mm
Height
0mm
Slots
0
0
Temp (Load)
80°C
Perf/Watt
162.7
181.7+12%
💰

Value Analysis

The Radeon RX 6600S is the newer GPU (2022 vs 2021).

FeatureRadeon RX 6600SRTX A3000 Mobile
MSRP
$400
Codename
Navi 23
GA104
Release
January 4 2022
April 12 2021
Ranking
#200
#205