AMD Radeon RX 6600 vs ASUS GeForce GTX 660 2GB
Buy the Radeon RX 6600 for any current gaming build. It is a 2021 card with roughly triple the raw performance of the 2012-era GTX 660, plus modern driver support, DirectX 12 Ultimate and DXR ray tracing. The GTX 660 is only sensible as a cheap display adapter or for retro and low-demand titles. No current prices were provided for either card, so check live store prices before deciding.
Ask our shopping agent
It checks today's price at every store, compares the alternatives and answers in about a minute.
Choose the Radeon RX 6600 if you want to play modern games at 1080p, need driver updates and ray tracing, or are building a system with a 500W or larger PSU.
- Far faster in modern games at 1080p
- 8 GB VRAM handles current textures
- Driver support and game optimizations continue
- DXR ray tracing and 8K output support
What separates them
| AMD Radeon RX 6600 | ASUS GeForce GTX 660 2GB | |
|---|---|---|
| Architecture and release era | RDNA 2, launched 2021 | Kepler GK106, launched 2012 |
| Stream processors / CUDA cores | 1792 stream processors | 960 CUDA cores |
| Boost clock | 2491 MHz | 1085 MHz |
| Memory | 8 GB GDDR6 on a 128-bit bus at 14 Gbps | 2 GB GDDR5 on a 192-bit bus at 6 Gbps |
| PCIe interface | PCIe 4.0 x8 | PCIe 3.0 x16 |
| Ray tracing | Yes, DXR support | No hardware ray tracing |
| Max output resolution | 7680 x 4320 | 2560 x 1600 |
Price history
- AMD Radeon RX 6600: lowest $286.00 on Nov 3 at DirectDial.
- ASUS GeForce GTX 660 2GB: lowest $259.00 on Nov 3 at Walmart.
Prices at every store
AMD Radeon RX 6600
- AmazonCheck price at Amazon
- DirectDialCheck price at DirectDial
- eBayCheck price at eBay
Store links may earn us a commission.
ASUS GeForce GTX 660 2GB
- eBayCheck price at eBay
- Orange HardwaresCheck price at Orange Hardwares
- WalmartCheck price at Walmart
Store links may earn us a commission.
Specs compared
| Spec | AMD Radeon RX 6600 | ASUS GeForce GTX 660 2GB |
|---|---|---|
| Video Memory Type | GDDR6 | GDDR5 |
| Manufacturer | ASRock, AMD | ASUS, NVIDIA |
| Clock Speed | 1626 MHz | 1020 MHz (Core Clock) |
| Boost Clock Speed | 2491 MHz | 1085 MHz |
| Supports Overclocking | No | Yes |
| GPU Video Memory Type | GDDR6 | GDDR5 |
| GPU Memory Clock Speed | 14 Gbps | 6.008 GHz (Effective Clock Speed) |
| GPU Memory Interface | 128-bit | 192-bit |
| Expansion Slot Type | PCI Express 4.0 | PCI Express 3.0 x16 |
| GPU Model |
What reviewers say
AMD Radeon RX 6600
Owners generally rate the RX 6600 as one of the best value 1080p cards, praising its efficiency and quiet operation. Criticism centers on limited ray tracing and bandwidth that shows at higher resolutions.
- 1080p performancePraisedOwners say it handles most games at 1080p with high settings and good frame rates.
- Power drawPraisedReviewers note it runs on a single 8-pin connector and a modest 500W PSU.
- Ray tracingCriticisedRay tracing is supported but slow enough that most owners leave it off.
- Memory bandwidth
Questions and answers
- Which is better for 1080p gaming?
- The Radeon RX 6600 by a wide margin. It runs current titles at 1080p with high settings, while the GTX 660 struggles with 2 GB of VRAM and no modern driver support.
- Is the RX 6600 worth the extra money?
- Yes for gaming. The GTX 660 only makes sense at a very low price for basic display output or retro games.
- Which card uses less power?
- The GTX 660, at a 150W TDP. The RX 6600 needs a 500W PSU and an 8-pin power connector.
- Does the GTX 660 support ray tracing?
- No. The RX 6600 supports DirectX Raytracing; the GTX 660 does not.
- Can both run four monitors?
- Yes, both list support for up to 4 monitors. The RX 6600 supports much higher output resolutions, up to 7680 x 4320.
- Which lasts longer?
- The RX 6600. It has 8 GB of VRAM and current drivers, so it will stay usable in new games far longer than the 2 GB GTX 660.
