AMD Radeon RX 7900 XTX vs AMD Radeon 660M

Updated Nov 2026 · Scored by the Let’s Compare Data Engine · How we score

For most buyers the AMD Radeon RX 7900 XTX is the better pick — it scores 86/100 to the AMD Radeon 660M's 22, leading on Core Specifications and Memory. Choose the AMD Radeon 660M instead if you want to spend less.

Verdict

Our overall take, at a glance

AMD Radeon RX 7900 XTX leads overall

AMD Radeon RX 7900 XTX

AMD Radeon 660M

Why it stands out

Theoretical Performance Performance (FP16): 61.4 TFLOPS (2004% more)
Theoretical Performance Performance (FP32): 61.4 TFLOPS (4108% more)
Benchmark G3D Mark: 31,457 (884% more)

Winner by category for AMD Radeon RX 7900 XTX vs AMD Radeon 660M
Category	AMD Radeon RX 7900 XTX	AMD Radeon 660M	Winner
Core Specifications	80	42	AMD Radeon RX 7900 XTX
Memory	95	54	AMD Radeon RX 7900 XTX
API Support	52	48	AMD Radeon RX 7900 XTX
Theoretical Performance	90	29	AMD Radeon RX 7900 XTX
Benchmark	87	4	AMD Radeon RX 7900 XTX
Miscellaneous	89	22	AMD Radeon RX 7900 XTX

In-depth analysisAI

AI-generated from the cited sources — may be incomplete or inaccurate; verify important details before deciding · generated Nov 2026.

AMD Radeon RX 7900 XTX

The AMD Radeon RX 7900 XTX is a high-end graphics card built on the company's RDNA3 chiplet architecture, designed for enthusiast-level gaming. Positioned at a $1,000 launch price, it is built to compete directly with Nvidia's $1,200 RTX 4080 by offering comparable rasterized performance and modern DisplayPort 2.1 connectivity.

Best for Gamers wanting high-end 4K performance without paying the premium pricing of…Best for Users planning to buy custom partner-designed cards to bypass reference thermal

Pros

Lower launch price than its direct Nvidia competitor, the RTX 4080
Built on an innovative RDNA3 chiplet design
Features next-generation DisplayPort 2.1 connectivity

Cons

Reference design exhibits issues with coil whine, thermals, and noise regulation
Does not match the top-tier performance of Nvidia's flagship RTX 4090
DisplayPort 2.1 implementation does not support the highest UHBR20 transmission speeds

Video — reviews used (3)

Provided details on RDNA3 architecture, pricing comparisons to the RTX 4080/4090, DisplayPort limitations, and physical drawbacks like coil whine and thermal concerns in the reference model.

Generated Aug 5, 2026

AMD Radeon 660M

The AMD Radeon 660M is an integrated mobile graphics solution introduced in early 2022 for everyday laptop computing. Built on a 6nm lithography process, it operates on shared system memory and reaches a maximum clock frequency of 1.9 GHz. It is designed for entry-level devices where energy efficiency and basic display capabilities are prioritized over heavy 3D rendering.

Best for Basic multimedia consumption and everyday productivity tasks on thin laptopsBest for Casual or light 3D gaming at low graphics settings

Pros

Built on an efficient 6nm manufacturing process
Reaches maximum boost frequencies up to 1.9 GHz
Includes support for DirectX 12 API

Cons

Relies entirely on shared system memory rather than fast dedicated VRAM
Entry-level integrated graphics performance restricts heavy 3D gaming and intense GPU workloads

Value for Money

Which is the better deal for the price

Pre-filled with launch prices where known — enter today's price for an up-to-date check. Use the same currency for both.

AMD Radeon RX 7900 XTX

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AMD Radeon 660M

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Performance

Higher benchmark score = faster

AMD Radeon RX 7900 XTX31,457

AMD Radeon 660M3,197

See the raw benchmark values →

Benchmark score — a measured indicator of raw performance, not a guarantee of real-world speed.

Review Videos

Hand-picked expert reviews for each product

Detailed Specifications

The full spec sheet, side by side

Core Specifications

Feature	AMD Radeon RX 7900 XTX	AMD Radeon 660M
Base Frequency	1.9 GHz	N/A
Base Power	N/A	N/A
Maximum Frequency	2.495 GHz	1.9 GHz
Maximum Power	355 W	N/A
Lithography Process	5 nm17% less	6 nm

Memory

Feature	AMD Radeon RX 7900 XTX	AMD Radeon 660M
Capacity	24 GB	N/A
Technology
Bus Width	384 bit	N/A
Bandwidth	960 GB/s	N/A
Is Shared	No	Yes

API Support

Feature	AMD Radeon RX 7900 XTX	AMD Radeon 660M
DirectX Version	12	12
OpenGL Version	4.6	N/A
Vulkan Version	1.48% more	1.3
OpenCL Version	2.1	N/A

Theoretical Performance

Feature	AMD Radeon RX 7900 XTX	AMD Radeon 660M
Pixel Rate	480 GP/s	N/A
Texture Rate	960 GT/s	N/A
Performance (FP16)	61.4 TFLOPS2004% more	2.918 TFLOPS
Performance (FP32)	61.4 TFLOPS4108% more	1.459 TFLOPS
Performance (FP64)	960 GFLOPS	N/A

Benchmark

Feature	AMD Radeon RX 7900 XTX	AMD Radeon 660M
G3D Mark	31,457884% more	3,197

Miscellaneous

Feature	AMD Radeon RX 7900 XTX	AMD Radeon 660M
Release Date	December 13, 2022	January 4, 2022
Platform

Specification Note

Specifications are compiled from official manufacturer data and other reliable internet sources. Some features may vary by region or model configuration.

Frequently Asked Questions

Common questions about AMD Radeon RX 7900 XTX vs AMD Radeon 660M comparison

Based on our overall comparison score, AMD Radeon RX 7900 XTX rates higher at 87/100 versus 23/100 for AMD Radeon 660M — a 64-point lead. AMD Radeon RX 7900 XTX is the stronger overall pick, though the right choice still depends on which specs matter most to you; the full spec table above breaks down every difference.

AMD Radeon RX 7900 XTX and AMD Radeon 660M are compared side by side above across every spec in the gpus category — including performance, features and design — each scored 0–100 so you can see exactly where one leads the other. Our overall scores are 87/100 for AMD Radeon RX 7900 XTX and 23/100 for AMD Radeon 660M.

If you want the higher-rated gpus option overall, AMD Radeon RX 7900 XTX (87/100) edges out AMD Radeon 660M (23/100). But if AMD Radeon 660M is cheaper or stronger on the specific specs you care about, it can still be the better buy — use the spec table and strengths profile above to decide.