Core 2 Duo T7800 vs Xeon E5-2403 v2

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.

Core 2 Duo T7800 vs Xeon E5-2403 v2 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.

Core 2 Duo T7800 vs Xeon E5-2403 v2: Pros, Cons & Final Verdict

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

Core 2 Duo T7800

2007

Why buy it

✅Draws 4W instead of 80W, a 76W reduction.

Trade-offs

❌Worse for gaming: lower average FPS than Xeon E5-2403 v2 across 50 shared CPU benchmark tests.
❌Lower PassMark (2,663 vs 2,672).
❌Less compelling for workstation-style loads than Xeon E5-2403 v2, which brings 4 cores / 4 threads and 24 PCIe lanes.

Xeon E5-2403 v2

2013

Why buy it

✅Better for gaming: +3.1% higher average FPS across 50 shared CPU benchmark tests.
✅Better for workstations and heavier parallel workloads: 4 cores / 4 threads, plus 24 PCIe lanes vs 0.
✅100+% more PCIe lanes (24 vs 0) for storage and expansion-heavy builds.

Trade-offs

❌Launch MSRP is still $192 MSRP, while Core 2 Duo T7800 mostly shows up through inconsistent older-market listings.
❌1900% higher power demand at 80W vs 4W.

Quick Answers

So, is Xeon E5-2403 v2 better than Core 2 Duo T7800?

Not really, because they are built for different jobs. Xeon E5-2403 v2 makes more sense for workstation-style multi-core throughput, while Core 2 Duo T7800 is the more practical desktop choice for gaming, platform cost, and everyday use.

Which one is better for gaming?

If gaming is the priority, Xeon E5-2403 v2 is the better pick. According to our tests, it delivers 3.1% 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, Xeon E5-2403 v2 is the stronger fit. You are getting 0.3% better PassMark, backed by 4 cores and 4 threads.

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

Xeon E5-2403 v2 is the better buy right now. Xeon E5-2403 v2 comes in at an unclear MSRP at $192 MSRP versus unclear MSRP, and it still gives you a 3.1% average FPS lead across 50 shared CPU game tests in our data. It is also 100.0% better value on MSRP (13.9 vs 0.0 PassMark/$), so you are getting the faster CPU without taking a value hit on paper.

Which one is more future-proof for 2026 and beyond?

Xeon E5-2403 v2 makes more sense long term for 2026 and beyond. You are getting a newer CPU generation (2013 vs 2007) and more multi-core headroom with 4 cores / 4 threads instead of 2/2. That extra compute headroom is more likely to matter as games, background tasks, and creator workloads get heavier.

Core 2 Duo T7800 vs Xeon E5-2403 v2 Technical Specifications

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

Core 2 Duo T7800

The Core 2 Duo T7800 is manufactured by Intel. It was released in 18 August 2007 (18 years ago). It is based on the Merom (2006−2008) architecture. It features 2 cores and 2 threads. Base frequency is 2.6 GHz, with boost up to 2.6 GHz. L3 cache: 0 kB. L2 cache: 4 MB. Built on 65 nm process technology. Socket: PGA478. Thermal design power (TDP): 35 Watt. Passmark benchmark score: 2,663 points. Launch price was $515.

Xeon E5-2403 v2

The Xeon E5-2403 v2 is manufactured by Intel. It was released in 1 September 2013 (12 years ago). It is based on the Ivy Bridge-EN (2013−2014) architecture. It features 4 cores and 4 threads. Base frequency is 1.8 GHz, with boost up to 1.8 GHz. L3 cache: 10 MB (total). L2 cache: 256 kB (per core). Built on 22 nm process technology. Socket: LGA1356. Thermal design power (TDP): 80 Watt. Memory support: DDR3. Passmark benchmark score: 2,672 points. Launch price was $223.

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Processing Power

The Core 2 Duo T7800 packs 2 cores / 2 threads, while the Xeon E5-2403 v2 offers 4 cores / 4 threads — the Xeon E5-2403 v2 has 2 more cores. Boost clocks reach 2.6 GHz on the Core 2 Duo T7800 versus 1.8 GHz on the Xeon E5-2403 v2 — a 36.4% clock advantage for the Core 2 Duo T7800 (base: 2.6 GHz vs 1.8 GHz). The Core 2 Duo T7800 uses the Merom (2006−2008) architecture (65 nm), while the Xeon E5-2403 v2 uses Ivy Bridge-EN (2013−2014) (22 nm). In PassMark, the Core 2 Duo T7800 scores 2,663 against the Xeon E5-2403 v2's 2,672 — a 0.3% lead for the Xeon E5-2403 v2. L3 cache: 0 kB on the Core 2 Duo T7800 vs 10 MB (total) on the Xeon E5-2403 v2.

Feature	Core 2 Duo T7800	Xeon E5-2403 v2
Cores / Threads	2 / 2	4 / 4+100%
Boost Clock	2.6 GHz+44%	1.8 GHz
Base Clock	2.6 GHz+44%	1.8 GHz
L3 Cache	0 kB	10 MB (total)
L2 Cache	4 MB+1500%	256 kB (per core)
Process	65 nm	22 nm-66%
Architecture	Merom (2006−2008)	Ivy Bridge-EN (2013−2014)
PassMark	2,663	2,672

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Memory & Platform

The Core 2 Duo T7800 uses the PGA478 socket (PCIe 1.1), while the Xeon E5-2403 v2 uses LGA1356 (PCIe 3.0) — making them incompatible on the same motherboard. Maximum memory speed reaches DDR2-667 on the Core 2 Duo T7800 versus DDR3-1333 on the Xeon E5-2403 v2 — the Xeon E5-2403 v2 supports 99.9% faster memory, which can translate to measurable gains in memory-sensitive workloads. Memory channels: 2 (Core 2 Duo T7800) vs 3 (Xeon E5-2403 v2).

Feature	Core 2 Duo T7800	Xeon E5-2403 v2
Socket	PGA478	LGA1356
PCIe Generation	PCIe 1.1	PCIe 3.0+173%
Max RAM Speed	DDR2-667	DDR3-1333+100%
Max RAM Capacity	—	384 GB
RAM Channels	2	3+50%
ECC Support	No	Yes
PCIe Lanes	—	24

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Advanced Features

Neither processor supports overclocking. Virtualization support: VT-x (Core 2 Duo T7800) vs VT-x, VT-d (Xeon E5-2403 v2). Primary use case: Core 2 Duo T7800 targets Budget, Xeon E5-2403 v2 targets Server. Direct competitor: Core 2 Duo T7800 rivals Athlon Silver 3050U.