Radeon RX 6950 XT vs NVIDIA GeForce GTX 1660 — Specs & Performance Compared
Verdict: The Radeon RX 6950 XT is ahead of the NVIDIA GeForce GTX 1660 on all 4 shared benchmarks on file, by 39% to 303%, including 303% in 3DMark Steel Nomad (4,215 vs 1,047). On llama3.1:8b, the Radeon RX 6950 XT generates 99.4 tokens/s (per FitGPU newsletter) against 16.7 for the NVIDIA GeForce GTX 1660 (per DatabaseMart (GPU hosting blog)), best community run on file for each.
Side-by-side GPU comparison of the Radeon RX 6950 XT and the NVIDIA GeForce GTX 1660. Released 2022 (Radeon RX 6950 XT), 2019 (NVIDIA GeForce GTX 1660). MSRP range: $1,099 · $219. Specs, synthetic benchmarks, AI inference tok/s, and Amazon availability below; each column header links to that part's benchmark page.
NVIDIA GeForce GTX 1660
*Price sourced from Amazon.com. Price and availability subject to change.
Where to buy
A listing for each part; the current price and stock are on the retailer's page.
Specs side-by-side
| Spec | Radeon RX 6950 XT | NVIDIA GeForce GTX 1660 |
|---|---|---|
| vram gb | 16 | 6 |
| vram type | — | GDDR5 |
| tdp w | — | 120 |
| cuda cores | — | 1408 |
Synthetic benchmarks
Each row says whether a higher or a lower number is better (ranks and times are lower-is-better). Scores come from Tom's Hardware, 3DMark, HWBOT Community Forums, ComputerBase, CpuTronic, AlkTech, TechPowerUp, TopCPU.net, Digital Trends, Guru3D, Legit Reviews, HWBOT and GPU-Monkey; each row links its sources, and where they differ the cell shows their median. Empty cells mean we don't yet have that benchmark on file for the SKU.
| Benchmark | Radeon RX 6950 XT | NVIDIA GeForce GTX 1660 |
|---|---|---|
| 3DMark Fire Strike (higher is better) Source: Tom's Hardware, 3DMark |
28,900 pts | 12,365 points |
| 3DMark Fire Strike (Graphics Score) (higher is better) Source: 3DMark |
61,950 points | — |
| 3DMark Fire Strike (Overall Score) (higher is better) Source: 3DMark |
43,823 points | — |
| 3DMark Fire Strike Ultra (higher is better) Source: 3DMark |
16,355 points | — |
| 3DMark Port Royal (higher is better) Source: HWBOT Community Forums, 3DMark, ComputerBase |
10,824 points | — |
| 3DMark Speed Way (higher is better) Source: 3DMark |
4,394 points | — |
| 3DMark Steel Nomad (higher is better) Source: 3DMark, CpuTronic |
4,215 points | 1,047 points |
| 3DMark Time Spy (higher is better) Source: AlkTech, TechPowerUp, TopCPU.net, Digital Trends, CpuTronic, 3DMark, Guru3D, Legit Reviews |
17,050 points | 5,521 points |
| 3DMark Time Spy (graphics) (higher is better) Source: ComputerBase |
22,209 points | — |
| 3DMark Time Spy (Overall Score) (higher is better) Source: 3DMark |
19,696 points | — |
| 3DMark Time Spy Extreme (higher is better) Source: HWBOT, ComputerBase |
11,576 points | — |
| 3DMark Time Spy Graphics (higher is better) Source: GPU-Monkey |
— | 5,395 points |
AI inference (tokens/sec)
Top community-reported tokens-per-second results for popular LLMs whose weights fit the card's memory, each linked to its source. See the per-SKU benchmark page for the full set including quantization and prompt length.
Radeon RX 6950 XT
- qwen3:8b: 711.0 tok/s (LocalLLaMA)
- gpt-oss:20b: 115.8 tok/s (FitGPU newsletter)
- qwen2.5-coder:7b: 106.0 tok/s (FitGPU newsletter)
NVIDIA GeForce GTX 1660
- qwen3:0.6b: 47.1 tok/s (LocalLLaMA)
- llama2:7b: 41.4 tok/s (llama.cpp GitHub (CUDA performance scoreboard))
- llama2:7b: 41.4 tok/s (llama.cpp GitHub CUDA Performance Discussion)
Quick answers
Which is faster, the Radeon RX 6950 XT or the NVIDIA GeForce GTX 1660?
The Radeon RX 6950 XT is ahead of the NVIDIA GeForce GTX 1660 on all 4 shared benchmarks on file, by 39% to 303%, including 303% in 3DMark Steel Nomad (4,215 vs 1,047).
Which is better for running local LLMs?
On llama3.1:8b, the Radeon RX 6950 XT generates 99.4 tokens/s (per FitGPU newsletter) against 16.7 for the NVIDIA GeForce GTX 1660 (per DatabaseMart (GPU hosting blog)), best community run on file for each.
What did the Radeon RX 6950 XT and the NVIDIA GeForce GTX 1660 cost at launch?
The Radeon RX 6950 XT launched at a $1,099 MSRP and the NVIDIA GeForce GTX 1660 at $219. Street prices drift from launch pricing; the Where to buy section links current listings.
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