Pentium G2120T
Ryzen 9 5900X
Pentium G2120T vs Ryzen 9 5900X Performance Spectrum
About PassMark
PassMark CPU Mark evaluates processor speed through complex mathematical computations. It provides a reliable metric to compare multi-core performance, where higher scores indicate faster processing for multitasking, gaming, and heavy workloads.
Pentium G2120T vs Ryzen 9 5900X FPS Benchmarks
Predicted gaming performance across popular games. Tested paired with GeForce RTX 5090 to isolate CPU performance.
Search any supported game below to compare 1080p FPS for both components.
Path of Exile 2
Counter-Strike 2
League of Legends
Valorant
Among Us
Apex Legends
ARC Raiders
Baldur's Gate 3
Call of Duty: Black Ops 6
Pentium G2120T vs Ryzen 9 5900X: Pros, Cons & Final Verdict
See where each CPU makes more sense in practice: gaming, heavier work, platform cost, power draw, and upgrade path.
Pentium G2120T
2013Why buy it
- ✅Costs $462 less on MSRP ($87 MSRP vs $549 MSRP).
- ✅Draws 35W instead of 105W, a 70W reduction.
Trade-offs
- ❌Worse for gaming: lower average FPS than Ryzen 9 5900X across 50 shared CPU benchmark tests.
- ❌Lower PassMark (1,613 vs 38,955).
- ❌Smaller total L3 cache (3 MB vs 64 MB).
- ❌Lower PassMark per dollar, at 18.5 vs 71.0 PassMark/$ ($87 MSRP vs $549 MSRP).
Ryzen 9 5900X
2020Why buy it
- ✅Better for gaming: +624.3% higher average FPS across 50 shared CPU benchmark tests.
- ✅+2033.3% larger total L3 cache (64 MB vs 3 MB).
- ✅Delivers 282.7% more PassMark for each dollar spent, at 71.0 vs 18.5 PassMark/$ ($549 MSRP vs $87 MSRP).
- ✅100+% more PCIe lanes (24 vs 0) for storage and expansion-heavy builds.
Trade-offs
- ❌531% HIGHER MSRP$549 MSRPvs$87 MSRP
- ❌200% higher power demand at 105W vs 35W.
Quick Answers
So, is Ryzen 9 5900X better than Pentium G2120T?
Which one is better for gaming?
Which one is better for streaming, content creation, and heavy multitasking?
Which one is the smarter buy today, not just the cheaper CPU?
Which one is more future-proof for 2026 and beyond?
Pentium G2120T vs Ryzen 9 5900X Technical Specifications
Side-by-side specs, architecture details, clocks, memory, power, and platform differences.
Pentium G2120T
The Pentium G2120T is manufactured by Intel. It was released in 2007-01-01. It features 2 cores and 2 threads. Base frequency: 2.7 GHz. L3 cache: 3 MB Intel® Smart Cache. Built on 22 nm process technology. Socket: LGA1155. Thermal design power (TDP): 35 Watt. Memory support: DDR3-1333, DDR3-1600. Passmark benchmark score: 1,613 points. Launch price was $69.
Ryzen 9 5900X
The Ryzen 9 5900X is manufactured by AMD. It was released in 5 November 2020 (5 years ago). It is based on the Vermeer (Zen3) (2020−2022) architecture. It features 12 cores and 24 threads. Base frequency is 3.7 GHz, with boost up to 4.8 GHz. L3 cache: 64 MB. L2 cache: 512K (per core). Built on 7 nm, 12 nm process technology. Socket: AM4. Thermal design power (TDP): 105 Watt. Memory support: DDR4-3200. Passmark benchmark score: 38,955 points. Launch price was $549.
Processing Power
The Pentium G2120T packs 2 cores / 2 threads, while the Ryzen 9 5900X offers 12 cores / 24 threads — the Ryzen 9 5900X has 10 more cores. The Ryzen 9 5900X is built on the Vermeer (Zen3) (2020−2022) architecture. In PassMark, the Pentium G2120T scores 1,613 against the Ryzen 9 5900X's 38,955 — a 184.1% lead for the Ryzen 9 5900X. L3 cache: 3 MB Intel® Smart Cache on the Pentium G2120T vs 64 MB on the Ryzen 9 5900X.
| Feature | Pentium G2120T | Ryzen 9 5900X |
|---|---|---|
| Cores / Threads | 2 / 2 | 12 / 24+500% |
| Boost Clock | — | 4.8 GHz |
| Base Clock | 2.7 GHz | 3.7 GHz+37% |
| L3 Cache | 3 MB Intel® Smart Cache | 64 MB+2033% |
| L2 Cache | — | 512K (per core) |
| Process | 22 nm | 7 nm, 12 nm-68% |
| Architecture | — | Vermeer (Zen3) (2020−2022) |
| PassMark | 1,613 | 38,955+2315% |
| Cinebench R23 Multi | — | 21,000 |
| Geekbench 6 Single | — | 2,174 |
| Geekbench 6 Multi | — | 11,888 |
Memory & Platform
The Pentium G2120T uses the LGA1155 socket (PCIe 3.0), while the Ryzen 9 5900X uses AM4 (PCIe 4.0) — making them incompatible on the same motherboard.
| Feature | Pentium G2120T | Ryzen 9 5900X |
|---|---|---|
| Socket | LGA1155 | AM4 |
| PCIe Generation | PCIe 3.0 | PCIe 4.0+33% |
| Max RAM Speed | — | DDR4-3200 |
| Max RAM Capacity | — | 128 GB |
| RAM Channels | — | 2 |
| ECC Support | — | Yes |
| PCIe Lanes | — | 24 |
Advanced Features
Virtualization: not specified (Pentium G2120T) / AMD-V (Ryzen 9 5900X). Primary use case: Ryzen 9 5900X targets Workstation. Direct competitor: Ryzen 9 5900X rivals Core i9-12900K.
| Feature | Pentium G2120T | Ryzen 9 5900X |
|---|---|---|
| Integrated GPU | — | No |
| Unlocked | — | Yes |
| AVX-512 | — | No |
| Virtualization | — | AMD-V |
| Target Use | — | Workstation |
Value Analysis
At launch, the Pentium G2120T was priced at $87, while the Ryzen 9 5900X came in at $549. On launch pricing ($87 vs $549), Pentium G2120T was $462 cheaper. In terms of value on MSRP (PassMark points per dollar), the Pentium G2120T delivers 18.5 pts/$ vs 71.0 pts/$ for the Ryzen 9 5900X — making the Ryzen 9 5900X the 117.1% better value option.
| Feature | Pentium G2120T | Ryzen 9 5900X |
|---|---|---|
| MSRP | $87-84% | $549 |
| Performance per Dollar | 18.5 | 71.0+284% |
| Release Date | 2013 | 2020 |
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