Celeron G1620 vs Celeron G1820T

Intel

Celeron G1620

2 Cores2 Thrd55 WWMax: 2.7 GHz2012
Similar parts
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VS
Intel

Celeron G1820T

2 Cores2 Thrd54 WWMax: 2.4 GHz2013
Similar parts
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Celeron G1620 vs Celeron G1820T 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.

Celeron G1620 vs Celeron G1820T 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.

Celeron G1620 vs Celeron G1820T: Pros, Cons & Final Verdict

See where each CPU makes more sense in practice: gaming, heavier work, platform cost, power draw, and upgrade path.

Celeron G1620

2012

Why buy it

  • +6.3% higher Geekbench single-core performance for gaming and desktop responsiveness.
  • Includes a boxed cooler (Intel Stock), unlike Celeron G1820T.

Trade-offs

  • Smaller total L3 cache (2 MB vs 3 MB).
  • Launch MSRP is still $52 MSRP, while Celeron G1820T mostly shows up through inconsistent older-market listings.

Celeron G1820T

2013

Why buy it

  • +50% larger total L3 cache (3 MB vs 2 MB).
  • Draws 54W instead of 55W, a 1W reduction.

Trade-offs

  • Lower Geekbench single-core performance for gaming (415 vs 441).
  • Lower Geekbench multi-core (629 vs 760).
  • No boxed cooler included, unlike Celeron G1620.

Quick Answers

So, is Celeron G1620 better than Celeron G1820T?
Yes. Celeron G1620 is the better all-around CPU here. It gives you a 0.8% average FPS lead across 50 shared CPU game tests in our data and 20.8% better Geekbench multi-core, which is enough to make it the stronger overall pick.
Which one is better for gaming?
If gaming is the priority, Celeron G1620 is the better pick. According to our tests, it delivers 0.8% more average FPS across 50 shared CPU game tests.
Which one is better for streaming, content creation, and heavy multitasking?
For streaming, content creation, and heavier multitasking, Celeron G1620 is the stronger fit. You are getting 20.8% better Geekbench multi-core, backed by 2 cores and 2 threads.
Which one is the smarter buy today, not just the cheaper CPU?
Celeron G1620 is the better buy right now. Celeron G1620 comes in at an unclear MSRP at $52 MSRP versus unclear MSRP, and it still gives you a 0.8% average FPS lead across 50 shared CPU game tests in our data. It is also 100.0% better value on MSRP (30.5 vs 0.0 PassMark/$), so you are getting the faster CPU without taking a value hit on paper.
Which one is more future-proof for 2026 and beyond?
Celeron G1820T makes more sense long term for 2026 and beyond. You are getting a newer CPU generation (2013 vs 2012) and 50% larger total L3 cache (3 MB vs 2 MB). That makes it the safer long-term bet.

Celeron G1620 vs Celeron G1820T Technical Specifications

Side-by-side specs, architecture details, clocks, memory, power, and platform differences.

Intel

Celeron G1620

The Celeron G1620 is manufactured by Intel. It was released in 3 December 2012 (13 years ago). It is based on the Ivy Bridge (2012−2013) architecture. It features 2 cores and 2 threads. Base frequency is 2.7 GHz, with boost up to 2.7 GHz. L3 cache: 2 MB (total). L2 cache: 256 kB (per core). Built on 22 nm process technology. Socket: LGA1155. Thermal design power (TDP): 55 Watt. Memory support: DDR3. Passmark benchmark score: 1,586 points. Launch price was $208.

Intel

Celeron G1820T

The Celeron G1820T is manufactured by Intel. It was released in 1 December 2013 (12 years ago). It is based on the Haswell (2013−2015) architecture. It features 2 cores and 2 threads. Base frequency is 2.4 GHz, with boost up to 2.4 GHz. L3 cache: 3 MB (total). L2 cache: 256 kB (per core). Built on 22 nm process technology. Socket: LGA1150. Thermal design power (TDP): 35 Watt. Memory support: DDR3. Passmark benchmark score: 1,599 points. Launch price was $42.

Processing Power

Both the Celeron G1620 and Celeron G1820T share an identical 2-core/2-thread configuration. Boost clocks reach 2.7 GHz on the Celeron G1620 versus 2.4 GHz on the Celeron G1820T — a 11.8% clock advantage for the Celeron G1620 (base: 2.7 GHz vs 2.4 GHz). The Celeron G1620 uses the Ivy Bridge (2012−2013) architecture (22 nm), while the Celeron G1820T uses Haswell (2013−2015) (22 nm). In PassMark, the Celeron G1620 scores 1,586 against the Celeron G1820T's 1,599 — a 0.8% lead for the Celeron G1820T. Geekbench 6 single-core — the metric most relevant to gaming — records 441 vs 415, a 6.1% lead for the Celeron G1620 that directly translates to higher frame rates. Multi-core Geekbench: 760 vs 629 (18.9% advantage for the Celeron G1620). L3 cache: 2 MB (total) on the Celeron G1620 vs 3 MB (total) on the Celeron G1820T.

FeatureCeleron G1620Celeron G1820T
Cores / Threads
2 / 2
2 / 2
Boost Clock
2.7 GHz+13%
2.4 GHz
Base Clock
2.7 GHz+13%
2.4 GHz
L3 Cache
2 MB (total)
3 MB (total)+50%
L2 Cache
256 kB (per core)
256 kB (per core)
Process
22 nm
22 nm
Architecture
Ivy Bridge (2012−2013)
Haswell (2013−2015)
PassMark
1,586
1,599
Geekbench 6 Single
441+6%
415
Geekbench 6 Multi
760+21%
629
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Memory & Platform

The Celeron G1620 uses the LGA1155 socket (PCIe 3.0), while the Celeron G1820T uses LGA1150 (PCIe 3.0) — making them incompatible on the same motherboard. Both support up to DDR3-1333 memory speed. Both support up to 32 GB of RAM. Both feature 2-channel memory with ECC support. Both provide 16 PCIe lanes. Chipset compatibility: H77,B75,Z77,H61,P67,Z68 (Celeron G1620) and H81,B85,H87,Z87,H97,Z97 (Celeron G1820T).

FeatureCeleron G1620Celeron G1820T
Socket
LGA1155
LGA1150
PCIe Generation
PCIe 3.0
PCIe 3.0
Max RAM Speed
DDR3-1333
DDR3-1333
Max RAM Capacity
32 GB
32 GB
RAM Channels
2
2
ECC Support
Yes
Yes
PCIe Lanes
16
16
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Advanced Features

Neither processor supports overclocking. Virtualization support: VT-x, EPT (Celeron G1620) vs VT-x (Celeron G1820T). Both include integrated graphics Intel HD Graphics (Ivy Bridge GT1) (Celeron G1620) and HD Graphics (Haswell) (Celeron G1820T) — useful as a fallback for troubleshooting or display output without a dedicated GPU. Primary use case: Celeron G1620 targets Desktop, Celeron G1820T targets Budget. Direct competitor: Celeron G1620 rivals Pentium G2030; Celeron G1820T rivals Pentium G3220T.

FeatureCeleron G1620Celeron G1820T
Integrated GPU
Yes
Yes
IGPU Model
Intel HD Graphics (Ivy Bridge GT1)
HD Graphics (Haswell)
Unlocked
No
No
AVX-512
No
No
Virtualization
VT-x, EPT
VT-x
Target Use
Desktop
Budget