Athlon II X4 645
Pentium G4500T
Athlon II X4 645 vs Pentium G4500T 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.
Athlon II X4 645 vs Pentium G4500T 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
Athlon II X4 645 vs Pentium G4500T: Pros, Cons & Final Verdict
See where each CPU makes more sense in practice: gaming, heavier work, platform cost, power draw, and upgrade path.
Athlon II X4 645
2010Why buy it
- ✅+9% higher Geekbench multi-core.
- ✅Draws 95W instead of 512W, a 417W reduction.
Trade-offs
- ❌Lower Geekbench single-core performance for gaming (399 vs 701).
- ❌Lower PassMark per dollar, at 18.8 vs 32.0 PassMark/$ ($126 MSRP vs $75 MSRP).
- ❌No integrated graphics, while Pentium G4500T can still boot and troubleshoot without a discrete GPU.
Pentium G4500T
2015Why buy it
- ✅+75.7% higher Geekbench single-core performance for gaming and desktop responsiveness.
- ✅Costs $51 less on MSRP ($75 MSRP vs $126 MSRP).
- ✅Delivers 69.7% more PassMark for each dollar spent, at 32.0 vs 18.8 PassMark/$ ($75 MSRP vs $126 MSRP).
- ✅Integrated graphics onboard with Intel HD Graphics 530, while Athlon II X4 645 needs a discrete GPU.
Trade-offs
- ❌Lower Geekbench multi-core (1,260 vs 1,374).
- ❌438.9% higher power demand at 512W vs 95W.
Quick Answers
So, is Pentium G4500T better than Athlon II X4 645?
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?
Athlon II X4 645 vs Pentium G4500T Technical Specifications
Side-by-side specs, architecture details, clocks, memory, power, and platform differences.
Athlon II X4 645
The Athlon II X4 645 is manufactured by AMD. It was released in 21 September 2010 (15 years ago). It is based on the Propus (2009−2011) architecture. It features 4 cores and 4 threads. Base frequency is 3.1 GHz, with boost up to 3.1 GHz. L3 cache: 0 kB. L2 cache: 512 kB (per core). Built on 45 nm process technology. Socket: AM3. Thermal design power (TDP): 95 Watt. Memory support: DDR3. Passmark benchmark score: 2,375 points. Launch price was $80.
Pentium G4500T
The Pentium G4500T is manufactured by Intel. It was released in 1 September 2015 (10 years ago). It is based on the Skylake (2015−2016) architecture. It features 2 cores and 2 threads. Base frequency is 3 GHz, with boost up to 3 GHz. L3 cache: 3 MB. L2 cache: 512 kB. Built on 14 nm process technology. Socket: LGA1151. Thermal design power (TDP): 35 Watt. Memory support: DDR3, DDR4. Passmark benchmark score: 2,399 points. Launch price was $75.
Processing Power
The Athlon II X4 645 packs 4 cores / 4 threads, while the Pentium G4500T offers 2 cores / 2 threads — the Athlon II X4 645 has 2 more cores. Boost clocks reach 3.1 GHz on the Athlon II X4 645 versus 3 GHz on the Pentium G4500T — a 3.3% clock advantage for the Athlon II X4 645 (base: 3.1 GHz vs 3 GHz). The Athlon II X4 645 uses the Propus (2009−2011) architecture (45 nm), while the Pentium G4500T uses Skylake (2015−2016) (14 nm). In PassMark, the Athlon II X4 645 scores 2,375 against the Pentium G4500T's 2,399 — a 1% lead for the Pentium G4500T. Geekbench 6 single-core — the metric most relevant to gaming — records 399 vs 701, a 54.9% lead for the Pentium G4500T that directly translates to higher frame rates. Multi-core Geekbench: 1,374 vs 1,260 (8.7% advantage for the Athlon II X4 645). L3 cache: 0 kB on the Athlon II X4 645 vs 3 MB on the Pentium G4500T.
| Feature | Athlon II X4 645 | Pentium G4500T |
|---|---|---|
| Cores / Threads | 4 / 4+100% | 2 / 2 |
| Boost Clock | 3.1 GHz+3% | 3 GHz |
| Base Clock | 3.1 GHz+3% | 3 GHz |
| L3 Cache | 0 kB | 3 MB |
| L2 Cache | 512 kB (per core) | 512 kB |
| Process | 45 nm | 14 nm-69% |
| Architecture | Propus (2009−2011) | Skylake (2015−2016) |
| PassMark | 2,375 | 2,399+1% |
| Cinebench R23 Multi | 1,374 | — |
| Geekbench 6 Single | 399 | 701+76% |
| Geekbench 6 Multi | 1,374+9% | 1,260 |
Memory & Platform
The Athlon II X4 645 uses the AM3 socket (PCIe 2.0), while the Pentium G4500T uses LGA1151 (PCIe 3.0) — making them incompatible on the same motherboard. Maximum memory speed reaches DDR3-1333 on the Athlon II X4 645 versus DDR4-2133 on the Pentium G4500T — the Pentium G4500T supports 60% faster memory, which can translate to measurable gains in memory-sensitive workloads. The Pentium G4500T supports up to 64 GB of RAM compared to 16 GB — 300% more capacity for professional workloads. Both feature 2-channel memory with ECC support. Both provide 16 PCIe lanes. Chipset compatibility: AMD 700 Series,AMD 800 Series,AMD 900 Series (Athlon II X4 645) and H110,B150,H170,Z170 (Pentium G4500T).
| Feature | Athlon II X4 645 | Pentium G4500T |
|---|---|---|
| Socket | AM3 | LGA1151 |
| PCIe Generation | PCIe 2.0 | PCIe 3.0+50% |
| Max RAM Speed | DDR3-1333 | DDR4-2133+60% |
| Max RAM Capacity | 16 GB | 64 GB+300% |
| RAM Channels | 2 | 2 |
| ECC Support | No | Yes |
| PCIe Lanes | 16 | 16 |
Advanced Features
Virtualization support: Yes (Athlon II X4 645) vs VT-x, VT-d (Pentium G4500T). The Pentium G4500T includes integrated graphics (Intel HD Graphics 530), while the Athlon II X4 645 requires a dedicated GPU. Primary use case: Athlon II X4 645 targets Desktop, Pentium G4500T targets Low Power Desktop.
| Feature | Athlon II X4 645 | Pentium G4500T |
|---|---|---|
| Integrated GPU | No | Yes |
| IGPU Model | — | Intel HD Graphics 530 |
| Unlocked | — | No |
| AVX-512 | No | No |
| Virtualization | Yes | VT-x, VT-d |
| Target Use | Desktop | Low Power Desktop |
Value Analysis
At launch, the Athlon II X4 645 was priced at $126, while the Pentium G4500T came in at $75. On launch pricing ($126 vs $75), Pentium G4500T was $51 cheaper. In terms of value on MSRP (PassMark points per dollar), the Athlon II X4 645 delivers 18.8 pts/$ vs 32.0 pts/$ for the Pentium G4500T — making the Pentium G4500T the 51.7% better value option.
| Feature | Athlon II X4 645 | Pentium G4500T |
|---|---|---|
| MSRP | $126 | $75-40% |
| Performance per Dollar | 18.8 | 32.0+70% |
| Release Date | 2010 | 2015 |
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