Radeon 660M vs Radeon Ryzen 5 6600U

Radeon 660M vs Radeon Ryzen 5 6600U Performance Spectrum

Radeon 660M

2 GB 40

3,221

+0.5%

3,206

0.0%

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.

Radeon 660M vs Radeon Ryzen 5 6600U FPS Benchmarks

Predicted gaming performance across popular games. Tested paired with Ryzen 7 9800X3D to isolate GPU performance.

Search any supported game below to compare 1080p FPS for both components.

Radeon 660M vs Radeon Ryzen 5 6600U: Pros, Cons & Final Verdict

See where each GPU makes more sense in practice: raw FPS, VRAM, features, power draw, pricing, and long-term headroom.

Radeon 660M

2023

Why buy it

✅Draws 40W instead of 132W, a 92W reduction.
✅More future proof: RDNA 2.0 (2020−2025) on 6nm with a newer platform for upcoming games.

Trade-offs

❌Lower average FPS than Radeon Ryzen 5 6600U across 50 tracked games in our benchmark data.
❌Lower G3D Mark per dollar, at 0 vs 9.2 G3D/$ (Unknown MSRP vs $350 MSRP).

Radeon Ryzen 5 6600U

2021

Why buy it

✅98.5% more average FPS across 50 tracked games in our benchmark data.
✅Delivers 100+% more G3D Mark for each dollar spent, at 9.2 vs 0 G3D/$ ($350 MSRP vs Unknown MSRP).

Trade-offs

❌230% higher power demand at 132W vs 40W.

Quick Answers

Which GPU is faster for gaming right now?

Radeon Ryzen 5 6600U is the faster gaming card right now. In our data, it leads by 98.5% in average FPS across 50 tracked games in our benchmark data. PassMark G3D leans toward Radeon 660M instead at 3,221 vs 3,206, so for this question the real-game FPS result matters more than the synthetic split.

Which GPU is the safer long-term pick for 2026 and beyond?

Radeon 660M is the safer long-term pick for 2026 and beyond. The case is simple: a 6nm process instead of 7nm and a newer 2023 generation instead of 2021. That makes it the less risky pick as game demands keep moving.

Which GPU is the better buy today?

Radeon Ryzen 5 6600U makes the most sense today based on the pricing and value data we have for this matchup. If you are mainly targeting 1080p and some 1440p, Radeon Ryzen 5 6600U is the easier value choice. If you care more about 1080p and some 1440p headroom, Radeon 660M has the stronger long-term case.

Radeon 660M vs Radeon Ryzen 5 6600U Technical Specifications

Side-by-side specs, architecture details, clocks, memory, power, and platform differences.

Radeon 660M

The Radeon 660M is manufactured by AMD. It was released in January 3 2023. It features the RDNA 2.0 architecture. The core clock ranges from 1500 MHz to 1900 MHz. It has 384 shading units. The thermal design power (TDP) is 40W. Manufactured using 6 nm process technology. It features 6 dedicated ray tracing cores for enhanced lighting effects. G3D Mark benchmark score: 3,221 points.

Radeon Ryzen 5 6600U

The Radeon Ryzen 5 6600U is manufactured by AMD. It was released in October 13 2021. It features the RDNA 2.0 architecture. The core clock ranges from 1626 MHz to 2491 MHz. It has 1792 shading units. The thermal design power (TDP) is 132W. Manufactured using 7 nm process technology. It features 28 dedicated ray tracing cores for enhanced lighting effects. G3D Mark benchmark score: 3,206 points. Launch price was $329.

⚡

Graphics Performance

The Radeon 660M scores 3,221 and the Radeon Ryzen 5 6600U reaches 3,206 in the G3D Mark benchmark — just a 0.5% difference, making them near-identical in rasterization performance. The Radeon 660M is built on RDNA 2.0 while the Radeon Ryzen 5 6600U uses RDNA 2.0, both on 6 nm vs 7 nm. Shader units: 384 (Radeon 660M) vs 1,792 (Radeon Ryzen 5 6600U). Raw compute: 1.459 TFLOPS (Radeon 660M) vs 8.928 TFLOPS (Radeon Ryzen 5 6600U). Boost clocks: 1900 MHz vs 2491 MHz. Ray tracing: 6 RT cores (Radeon 660M) vs 28 (Radeon Ryzen 5 6600U).

Feature	Radeon 660M	Radeon Ryzen 5 6600U
G3D Mark Score	3,221	3,206
Architecture	RDNA 2.0	RDNA 2.0
Process Node	6 nm	7 nm
Shading Units	384	1792+367%
Compute (TFLOPS)	1.459 TFLOPS	8.928 TFLOPS+512%
Boost Clock	1900 MHz	2491 MHz+31%
ROPs	16	64+300%
TMUs	24	112+367%
L1 Cache	128 KB	512 KB+300%
L2 Cache	2 MB	2 MB
Frame Generation	FSR upscaling + RSR	FSR upscaling + RSR
Ray Tracing Cores	6	28+367%

✨

Advanced Features (DLSS/FSR)

Feature	Radeon 660M	Radeon Ryzen 5 6600U
Upscaling Tech	FSR Upscaling / FSR 4	FSR Upscaling / FSR 4
Frame Generation	Not Supported	Not Supported
Ray Reconstruction	No	No
Low Latency	AMD Anti-Lag	AMD Anti-Lag

💾

Video Memory (VRAM)

Both cards ship with 2 GB of Shared. Memory bus width is System on the Radeon 660M and System on the Radeon Ryzen 5 6600U.

Feature	Radeon 660M	Radeon Ryzen 5 6600U
VRAM Capacity	2 GB	2 GB
Memory Type	Shared	Shared
Memory Bandwidth	System	System
Bus Width	System	System
L2 Cache	2 MB	2 MB

🔌

Power & Dimensions

The Radeon 660M draws 40W versus the Radeon Ryzen 5 6600U's 132W — a 107% difference. The Radeon 660M is more power-efficient. Recommended PSU: 350W (Radeon 660M) vs 350W (Radeon Ryzen 5 6600U). Power connectors: PCIe-powered vs None.

Feature	Radeon 660M	Radeon Ryzen 5 6600U
TDP	40W-70%	132W
Recommended PSU	350W	350W
Power Connector	PCIe-powered	None
Perf/Watt	80.5+231%	24.3

💰

Value Analysis

The newer card here is Radeon 660M (2023 vs 2021).

Feature	Radeon 660M	Radeon Ryzen 5 6600U
MSRP	—	$350
Codename	Rembrandt+	Navi 23
Release	January 3 2023	October 13 2021
Ranking	#565	#150

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