Celeron B820 vs Pentium Dual-Core E2140

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 B820 vs Pentium Dual-Core E2140 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 B820 vs Pentium Dual-Core E2140: Pros, Cons & Final Verdict

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

Celeron B820

2012

Why buy it

✅Draws 35W instead of 65W, a 30W reduction.
✅100+% more PCIe lanes (16 vs 0) for storage and expansion-heavy builds.
✅Integrated graphics onboard with HD Graphics (Sandy Bridge), while Pentium Dual-Core E2140 needs a discrete GPU.

Trade-offs

❌Worse for gaming: lower average FPS than Pentium Dual-Core E2140 across 50 shared CPU benchmark tests.
❌Lower PassMark (765 vs 815).
❌Lower PassMark per dollar, at 8.9 vs 11.0 PassMark/$ ($86 MSRP vs $74 MSRP).

Pentium Dual-Core E2140

2007

Why buy it

✅Better for gaming: +6.7% higher average FPS across 50 shared CPU benchmark tests.
✅Costs $12 less on MSRP ($74 MSRP vs $86 MSRP).
✅Delivers 23.8% more PassMark for each dollar spent, at 11.0 vs 8.9 PassMark/$ ($74 MSRP vs $86 MSRP).

Trade-offs

❌85.7% higher power demand at 65W vs 35W.
❌No integrated graphics, while Celeron B820 can still boot and troubleshoot without a discrete GPU.

Quick Answers

So, is Pentium Dual-Core E2140 better than Celeron B820?

Yes. Pentium Dual-Core E2140 is the better all-around CPU here. It gives you a 6.7% average FPS lead across 50 shared CPU game tests in our data and 6.5% better PassMark, which is enough to make it the stronger overall pick.

Which one is better for gaming?

If gaming is the priority, Pentium Dual-Core E2140 is the better pick. According to our tests, it delivers 6.7% 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, Pentium Dual-Core E2140 is the stronger fit. You are getting 6.5% better PassMark, backed by 2 cores and 2 threads.

Which one is the smarter buy today, not just the cheaper CPU?

Pentium Dual-Core E2140 is the better buy right now. Pentium Dual-Core E2140 comes in $12 cheaper on MSRP at $74 MSRP versus $86 MSRP, and it still gives you a 6.7% average FPS lead across 50 shared CPU game tests in our data. It is also 23.8% better value on MSRP (11.0 vs 8.9 PassMark/$), 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 B820 makes more sense long term for 2026 and beyond. You are getting a newer CPU generation (2012 vs 2007). That makes it the safer long-term bet.

Celeron B820 vs Pentium Dual-Core E2140 Technical Specifications

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

Celeron B820

The Celeron B820 is manufactured by Intel. It was released in 1 July 2012 (13 years ago). It is based on the Sandy Bridge (2011−2013) architecture. It features 2 cores and 2 threads. Base frequency is 1.7 GHz, with boost up to 1.7 GHz. L3 cache: 2 MB (total). L2 cache: 256K (per core). Built on 32 nm process technology. Socket: PGA988. Thermal design power (TDP): 35 Watt. Memory support: DDR3. Passmark benchmark score: 765 points. Launch price was $86.

Pentium Dual-Core E2140

The Pentium Dual-Core E2140 is manufactured by Intel. It was released in 2007-01-01. It is based on the NetBurst (2000−2006) architecture. It features 2 cores and 2 threads. Max frequency: 1.6 GHz. L3 cache: 0 kB. L2 cache: 1 MB (total). Built on 65 nm process technology. Socket: LGA775. Thermal design power (TDP): 65 Watt. Memory support: DDR1, DDR2, DDR3. Passmark benchmark score: 815 points. Launch price was $69.

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Processing Power

Both the Celeron B820 and Pentium Dual-Core E2140 share an identical 2-core/2-thread configuration. Boost clocks reach 1.7 GHz on the Celeron B820 versus 1.6 GHz on the Pentium Dual-Core E2140 — a 6.1% clock advantage for the Celeron B820. The Celeron B820 uses the Sandy Bridge (2011−2013) architecture (32 nm), while the Pentium Dual-Core E2140 uses NetBurst (2000−2006) (65 nm). In PassMark, the Celeron B820 scores 765 against the Pentium Dual-Core E2140's 815 — a 6.3% lead for the Pentium Dual-Core E2140. L3 cache: 2 MB (total) on the Celeron B820 vs 0 kB on the Pentium Dual-Core E2140.

Feature	Celeron B820	Pentium Dual-Core E2140
Cores / Threads	2 / 2	2 / 2
Boost Clock	1.7 GHz+6%	1.6 GHz
Base Clock	1.7 GHz	—
L3 Cache	2 MB (total)	0 kB
L2 Cache	256K (per core)+25500%	1 MB (total)
Process	32 nm-51%	65 nm
Architecture	Sandy Bridge (2011−2013)	NetBurst (2000−2006)
PassMark	765	815+7%

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Memory & Platform

The Celeron B820 uses the PGA988 socket (PCIe 2.0), while the Pentium Dual-Core E2140 uses LGA775 (PCIe 1.1) — making them incompatible on the same motherboard.

Feature	Celeron B820	Pentium Dual-Core E2140
Socket	PGA988	LGA775
PCIe Generation	PCIe 2.0+82%	PCIe 1.1
Max RAM Speed	DDR3-1333	—
Max RAM Capacity	16 GB	—
RAM Channels	2	—
ECC Support	No	—
PCIe Lanes	16	—

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Advanced Features

Virtualization: VT-x (Celeron B820) / not specified (Pentium Dual-Core E2140). The Celeron B820 includes integrated graphics (HD Graphics (Sandy Bridge)), while the Pentium Dual-Core E2140 requires a dedicated GPU. Primary use case: Celeron B820 targets Budget. Direct competitor: Celeron B820 rivals Pentium 967.

Feature	Celeron B820	Pentium Dual-Core E2140
Integrated GPU	Yes	—
IGPU Model	HD Graphics (Sandy Bridge)	—
Unlocked	No	—
AVX-512	No	—
Virtualization	VT-x	—
Target Use	Budget	—

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Value Analysis

At launch, the Celeron B820 was priced at $86, while the Pentium Dual-Core E2140 came in at $74. On launch pricing ($86 vs $74), Pentium Dual-Core E2140 was $12 cheaper. In terms of value on MSRP (PassMark points per dollar), the Celeron B820 delivers 8.9 pts/$ vs 11.0 pts/$ for the Pentium Dual-Core E2140 — making the Pentium Dual-Core E2140 the 21.3% better value option.

Feature	Celeron B820	Pentium Dual-Core E2140
MSRP	$86	$74-14%
Performance per Dollar	8.9	11.0+24%
Release Date	2012	2007

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