Core i3-3220T vs Xeon E5603

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 i3-3220T vs Xeon E5603 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 i3-3220T vs Xeon E5603: Pros, Cons & Final Verdict

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

Core i3-3220T

2012

Why buy it

✅Better for gaming: +3.1% higher average FPS across 50 shared CPU benchmark tests.
✅Costs $39 less on MSRP ($149 MSRP vs $188 MSRP).
✅Delivers 27.3% more PassMark for each dollar spent, at 13.1 vs 10.3 PassMark/$ ($149 MSRP vs $188 MSRP).
✅Draws 35W instead of 80W, a 45W reduction.
✅Integrated graphics onboard with HD Graphics 2500, while Xeon E5603 needs a discrete GPU.

Trade-offs

❌Smaller total L3 cache (3 MB vs 4 MB).
❌Less compelling for workstation-style loads than Xeon E5603, which brings 4 cores / 4 threads and 32 PCIe lanes.

Xeon E5603

2011

Why buy it

✅+33.3% larger total L3 cache (4 MB vs 3 MB).
✅Better for workstations and heavier parallel workloads: 4 cores / 4 threads, plus 32 PCIe lanes vs 16.
✅100% more PCIe lanes (32 vs 16) for storage and expansion-heavy builds.

Trade-offs

❌Worse for gaming: lower average FPS than Core i3-3220T across 50 shared CPU benchmark tests.
❌Lower PassMark (1,935 vs 1,953).
❌Lower PassMark per dollar, at 10.3 vs 13.1 PassMark/$ ($188 MSRP vs $149 MSRP).
❌128.6% higher power demand at 80W vs 35W.
❌No integrated graphics, while Core i3-3220T can still boot and troubleshoot without a discrete GPU.

Quick Answers

So, is Core i3-3220T better than Xeon E5603?

Not really, because they are built for different jobs. Xeon E5603 makes more sense for workstation-style multi-core throughput, while Core i3-3220T is the more practical desktop choice for gaming, platform cost, and everyday use.

Which one is better for gaming?

If gaming is the priority, Core i3-3220T 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, Core i3-3220T is the stronger fit. You are getting 0.9% better PassMark, backed by 2 cores and 4 threads.

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

Core i3-3220T is the better buy right now. Core i3-3220T comes in $39 cheaper on MSRP at $149 MSRP versus $188 MSRP, and it still gives you a 3.1% average FPS lead across 50 shared CPU game tests in our data. It is also 27.3% better value on MSRP (13.1 vs 10.3 PassMark/$), so you are getting the faster CPU without taking a value hit on paper.

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

Core i3-3220T makes more sense long term for 2026 and beyond. You are getting a newer CPU generation (2012 vs 2011) and more multi-core headroom with 2 cores / 4 threads instead of 4/4. That extra compute headroom is more likely to matter as games, background tasks, and creator workloads get heavier.

Core i3-3220T vs Xeon E5603 Technical Specifications

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

Core i3-3220T

The Core i3-3220T is manufactured by Intel. It was released in 3 September 2012 (13 years ago). It is based on the Ivy Bridge (2012−2013) architecture. It features 2 cores and 4 threads. Base frequency is 2.8 GHz, with boost up to 2.8 GHz. L3 cache: 3 MB (total). L2 cache: 256 kB (per core). Built on 22 nm process technology. Socket: LGA1155. Thermal design power (TDP): 35 Watt. Memory support: DDR3. Passmark benchmark score: 1,953 points. Launch price was $201.

Xeon E5603

The Xeon E5603 is manufactured by Intel. It was released in 14 February 2011 (14 years ago). It is based on the Westmere-EP (2010−2011) architecture. It features 4 cores and 4 threads. Base frequency is 1.6 GHz, with boost up to 1.6 GHz. L3 cache: 4 MB (total). L2 cache: 256 kB (per core). Built on 32 nm process technology. Socket: LGA1366. Thermal design power (TDP): 80 Watt. Memory support: DDR3. Passmark benchmark score: 1,935 points. Launch price was $286.

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Processing Power

The Core i3-3220T packs 2 cores / 4 threads, while the Xeon E5603 offers 4 cores / 4 threads — the Xeon E5603 has 2 more cores. Boost clocks reach 2.8 GHz on the Core i3-3220T versus 1.6 GHz on the Xeon E5603 — a 54.5% clock advantage for the Core i3-3220T (base: 2.8 GHz vs 1.6 GHz). The Core i3-3220T uses the Ivy Bridge (2012−2013) architecture (22 nm), while the Xeon E5603 uses Westmere-EP (2010−2011) (32 nm). In PassMark, the Core i3-3220T scores 1,953 against the Xeon E5603's 1,935 — a 0.9% lead for the Core i3-3220T. L3 cache: 3 MB (total) on the Core i3-3220T vs 4 MB (total) on the Xeon E5603.

Feature	Core i3-3220T	Xeon E5603
Cores / Threads	2 / 4	4 / 4+100%
Boost Clock	2.8 GHz+75%	1.6 GHz
Base Clock	2.8 GHz+75%	1.6 GHz
L3 Cache	3 MB (total)	4 MB (total)+33%
L2 Cache	256 kB (per core)	256 kB (per core)
Process	22 nm-31%	32 nm
Architecture	Ivy Bridge (2012−2013)	Westmere-EP (2010−2011)
PassMark	1,953	1,935
Geekbench 6 Single	465	—

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Memory & Platform

The Core i3-3220T uses the LGA1155 socket (PCIe 3.0), while the Xeon E5603 uses LGA1366 (PCIe 2.0) — making them incompatible on the same motherboard. Maximum memory speed reaches DDR3-1600 on the Core i3-3220T versus DDR3-1066 on the Xeon E5603 — the Core i3-3220T supports 50.1% faster memory, which can translate to measurable gains in memory-sensitive workloads. The Xeon E5603 supports up to 288 GB of RAM compared to 32 GB — 800% more capacity for professional workloads. Memory channels: 2 (Core i3-3220T) vs 3 (Xeon E5603). PCIe lanes: 16 (Core i3-3220T) vs 32 (Xeon E5603) — the Xeon E5603 offers 16 more lanes for additional GPUs or NVMe drives.

Feature	Core i3-3220T	Xeon E5603
Socket	LGA1155	LGA1366
PCIe Generation	PCIe 3.0+50%	PCIe 2.0
Max RAM Speed	DDR3-1600+50%	DDR3-1066
Max RAM Capacity	32 GB	288 GB+800%
RAM Channels	2	3+50%
ECC Support	No	Yes
PCIe Lanes	16	32+100%

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Advanced Features

Neither processor supports overclocking. Virtualization support: VT-x, EPT (Core i3-3220T) vs VT-x, VT-d (Xeon E5603). The Core i3-3220T includes integrated graphics (HD Graphics 2500), while the Xeon E5603 requires a dedicated GPU. Primary use case: Core i3-3220T targets Low Power Desktop, Xeon E5603 targets Server. Direct competitor: Core i3-3220T rivals A8-5500.

Feature	Core i3-3220T	Xeon E5603
Integrated GPU	Yes	No
IGPU Model	HD Graphics 2500	—
Unlocked	No	No
AVX-512	No	No
Virtualization	VT-x, EPT	VT-x, VT-d
Target Use	Low Power Desktop	Server

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Value Analysis

At launch, the Core i3-3220T was priced at $149, while the Xeon E5603 came in at $188. On launch pricing ($149 vs $188), Core i3-3220T was $39 cheaper. In terms of value on MSRP (PassMark points per dollar), the Core i3-3220T delivers 13.1 pts/$ vs 10.3 pts/$ for the Xeon E5603 — making the Core i3-3220T the 24.1% better value option.

Feature	Core i3-3220T	Xeon E5603
MSRP	$149-21%	$188
Performance per Dollar	13.1+27%	10.3
Release Date	2012	2011

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