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NVIDIA GeForce GTX 1070 SLI Mobile vs NVIDIA GeForce RTX 3080 12 GB: Comparison
NVIDIA GeForce GTX 1070 SLI Mobile and NVIDIA GeForce RTX 3080 12 GB differ on memory type: NVIDIA GeForce GTX 1070 SLI Mobile at GDDR5, NVIDIA GeForce RTX 3080 12 GB at GDDR6X, which puts NVIDIA GeForce RTX 3080 12 GB ahead on that measure. They match on gpu brand and tier.
Specs
| Specification |  |  |
|---|---|---|
| GPU Brand | NVIDIA | NVIDIA |
| Series | GeForce GTX 10 (Mobile) | GeForce RTX 30 |
| Board Partner | OEM (varies by laptop model) | NVIDIA Founders Edition, ASUS, MSI, Gigabyte, Zotac, EVGA (legacy) |
| VRAM | 2x 8GB GDDR5 (not summed; SLI mirrors data) | 12 GB |
| Tier | High-End | High-End |
| Memory Type | GDDR5 | GDDR6X |
| Ray Tracing Support | false | true |
| TDP | N/A (mobile GPU, ~180W per GPU, configurable by chassis) | 350 W |
| Architecture | Pascal | Ampere |
| Slot Width | N/A (mobile GPU, soldered to laptop motherboard) | 2.7 |
Verdict
NVIDIA GeForce GTX 1070 SLI Mobile
3.5 / 10 Expert Rating
A fascinating but obsolete dual-GPU experiment; SLI's driver dependency means a single modern mobile GPU is the far more reliable and often faster choice today.
NVIDIA GeForce RTX 3080 12 GB
8.2 / 10 Expert Rating
A genuinely better RTX 3080 - the extra VRAM and bandwidth make it the version to look for on the secondhand market over the original 10GB card.
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