GeForce RTX 3080 (Laptop) — Specs, Rank & Tuning
NVIDIA GeForce RTX 30 Mobile · Ampere · 2021 · Upper mainstream (tier 65/100)
GeForce RTX 3080 (Laptop) — key specifications
| Brand / series | NVIDIA GeForce RTX 30 Mobile |
|---|---|
| Architecture / class | Ampere |
| Launch year | 2021 |
| Shaders / cores | 6,144 |
| Memory | 8 GB GDDR6 · 256-bit · 448 GB/s |
| Boost clock | 1545 MHz |
| TDP | 115 W |
| Relative tier | 65/100 — Upper mainstream |
Specs: vendor datasheets / TechPowerUp database, retrieved 2026-08-29. Tier is a TweakGearPro relative performance index (estimate), not a benchmark guarantee.
Relative performance estimate
TweakGearPro anchors the laptop gpu category to its flagship (highest tier) and expresses GeForce RTX 3080 (Laptop) as an estimated percentage of that flagship, derived from the relative-performance index (tier 0–100). Planning estimate, not a benchmark.
| Laptop GPU (nearby tier) | Tier /100 | Est. relative perf. |
|---|---|---|
| GeForce RTX 4080 (Laptop) | 76 | 88% |
| Radeon RX 7900M | 75 | 87% |
| GeForce RTX 5070 (Laptop) | 71 | 83% |
| GeForce RTX 3080 Ti (Laptop) | 70 | 81% |
| GeForce RTX 4070 (Laptop) | 68 | 79% |
| GeForce RTX 5060 (Laptop) | 66 | 77% |
| GeForce RTX 3080 (Laptop) (this part) | 65 | 76% |
Method: relative performance % = (part tier ÷ flagship tier) × 100, using the TweakGearPro tier index built from public benchmark / spec-class data. Source: vendor datasheets / TechPowerUp database, retrieved 2026-08-29. Real-world performance varies by workload, drivers and cooling.
Build compatibility & pairing guidance
Practical build notes derived from this part's dataset fields and TweakGearPro reference constants. Planning guidance, not purchase advice.
| Power | ~115 W under load — fixed by the laptop design, not user-configurable. |
|---|---|
| Cooler / thermal | Plan cooling rated above this part's 115 W TDP; typical desktop safe ceiling is ~90°C (TweakGearPro reference). Check the Thermal Headroom tool. |
| Pairing balance | Match with a CPU whose tier is within ~20 of this part's tier (65/100) to avoid a bottleneck. Run the Bottleneck Estimator. |
| VRAM fit | 8 GB GDDR6 — for gaming/ML sizing see the VRAM Recommendation tool. |
Reference constants (PSU headroom 20%, safe CPU/GPU ceiling 90°C) from the TweakGearPro PC reference dataset, retrieved 2026-08-29. Adapter/case clearance and exact board power vary by model — verify with vendor datasheets.
Tune & power-plan your build
Input your cooling, case airflow and goal to generate a printable tuning sheet, or size your whole-system PSU.
Silicon-level tuning sheet
Estimates from typical thermal behavior — always verify with your own stress tests.
My GeForce RTX 3080 (Laptop) tuning sheet
Laptop part: power limits and thermal headroom are set by the chassis, so undervolting usually gives back more sustained clock than overclocking.
Stability checklist
- Record your current temps at load (HWiNFO or the vendor tool) as the baseline.
- Apply a +0.04 V voltage offset in BIOS/Afterburner (overclock).
- Test with a 10-minute stress run (OCCT / Cinebench for CPU, FurMark/3DMark for GPU) — stop if temps exceed 90 °C.
- Expected sustained clock change: +8.8% (estimate).
- If unstable, step the offset back by half and retest; stability wins over a few hundred MHz.
- Re-check after driver updates — reapply and re-verify.
Generated at TweakGearPro · 2026-09-13
Whole-system power plan
Typical board-power sums; exact figures vary by model and workload.
My power plan — GeForce RTX 3080 (Laptop)
PSUs are most efficient at 50–70% load. For transient GPU spikes, choose a quality 80 PLUS Gold+ unit. Generated at TweakGearPro · 2026-09-13
Release & generational notes
GeForce RTX 3080 (Laptop) launched in 2021 on the Ampere architecture as part of the GeForce RTX 30 Mobile family, sitting at tier 65/100 (Upper mainstream).
| Series | GeForce RTX 30 Mobile |
|---|---|
| Architecture | Ampere |
| Launch year | 2021 |
| Successor | GeForce RTX 3080 Ti (Laptop) (2022, tier 70/100) |
In the GeForce RTX 30 Mobile series
GeForce RTX 3050 (Laptop)
2021 · Ampere · tier 42/100
Open →GeForce RTX 3050 Ti (Laptop)
2021 · Ampere · tier 45/100
Open →GeForce RTX 3060 (Laptop)
2021 · Ampere · tier 55/100
Open →GeForce RTX 3070 (Laptop)
2021 · Ampere · tier 61/100
Open →GeForce RTX 3080 Ti (Laptop)
2022 · Ampere · tier 70/100
Open →Generational context is summarized from official release year and architecture only; TweakGearPro does not invent patch or refresh dates. For the full generational ranking, see the Laptop GPU Tier List.
Related hardware to compare
Same-tier peers plus a pairing from another category — open any profile.
Sources & methodology
- Specifications: vendor datasheets (NVIDIA, AMD, Intel, Samsung, WD, Crucial, Corsair, Seagate, Noctua, ASUS, LG, Dell and others) and the TechPowerUp database, retrieved 2026-08-29.
- Relative-performance index: TweakGearPro estimate built from public benchmark / spec-class data; flagship-anchored percentages are planning estimates, not measured scores.
- Reference constants (PSU headroom, safe thermal ceiling) from the TweakGearPro PC reference dataset, retrieved 2026-08-29.
- Tuning, PSU and VRAM figures are planning estimates — verify with your own stress tests and the component vendor's documentation.
How this page's estimates are computed
The relative-performance percentage anchors the category flagship (highest tier) at 100 and scales each part by its tier ratio. The estimated system PSU adds a base system overhead to the part's TDP and applies a 20% headroom from the reference dataset, rounded to a common PSU rating. The tuning sheet estimates load temperature from TDP, cooling class and case airflow, then suggests a voltage offset and expected clock delta — always confirm with a stress test. The LLM planner converts model parameters and quantization to an approximate VRAM footprint (weights + KV-cache) and divides by the card's usable VRAM to suggest a card count. None of these outputs are benchmark guarantees. For non-CPU/GPU parts the tier reflects the part's spec class relative to the best current model in that category.