Core i7-3615QM vs Xeon E3-1235

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 i7-3615QM vs Xeon E3-1235 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 i7-3615QM vs Xeon E3-1235: Pros, Cons & Final Verdict

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

Core i7-3615QM

2012

Why buy it

✅Better for gaming: +3.7% higher average FPS across 50 shared CPU benchmark tests.
✅Draws 45W instead of 95W, a 50W reduction.

Trade-offs

❌Smaller total L3 cache (6 MB vs 8 MB).

Xeon E3-1235

2011

Why buy it

✅+33.3% larger total L3 cache (8 MB vs 6 MB).

Trade-offs

❌Worse for gaming: lower average FPS than Core i7-3615QM across 50 shared CPU benchmark tests.
❌Lower PassMark (5,112 vs 5,167).
❌Launch MSRP is still $240 MSRP, while Core i7-3615QM mostly shows up through inconsistent older-market listings.
❌111.1% higher power demand at 95W vs 45W.

Quick Answers

So, is Core i7-3615QM better than Xeon E3-1235?

Not really, because they are built for different jobs. Xeon E3-1235 makes more sense for workstation-style multi-core throughput, while Core i7-3615QM 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 i7-3615QM is the better pick. According to our tests, it delivers 3.7% 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, Core i7-3615QM is the stronger fit. You are getting 1.1% better PassMark, backed by 4 cores and 8 threads.

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

Core i7-3615QM is still the faster CPU overall, but Xeon E3-1235 is easier to justify if budget matters more than peak performance. Core i7-3615QM comes in at an unclear MSRP at unclear MSRP versus $240 MSRP, and it still gives you a 3.7% average FPS lead across 50 shared CPU game tests in our data. Xeon E3-1235 is also 100.0% better value on MSRP (21.3 vs 0.0 PassMark/$), which is why it can still make sense for tighter-budget builds on paper.

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

Core i7-3615QM 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 4 cores / 8 threads instead of 4/8. That extra compute headroom is more likely to matter as games, background tasks, and creator workloads get heavier.

Core i7-3615QM vs Xeon E3-1235 Technical Specifications

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

Core i7-3615QM

The Core i7-3615QM is manufactured by Intel. It was released in 29 April 2012 (13 years ago). It is based on the Ivy Bridge (2012−2013) architecture. It features 4 cores and 8 threads. Base frequency is 2.3 GHz, with boost up to 3.3 GHz. L3 cache: 6 MB (total). L2 cache: 256K (per core). Built on 22 nm process technology. Socket: FCBGA1224. Thermal design power (TDP): 45 Watt. Memory support: DDR3. Passmark benchmark score: 5,167 points. Launch price was $378.

Xeon E3-1235

The Xeon E3-1235 is manufactured by Intel. It was released in 3 April 2011 (14 years ago). It is based on the Sandy Bridge (2011−2013) architecture. It features 4 cores and 8 threads. Base frequency is 3.2 GHz, with boost up to 3.6 GHz. L3 cache: 8 MB (total). L2 cache: 256 kB (per core). Built on 32 nm process technology. Socket: LGA1155. Thermal design power (TDP): 95 Watt. Memory support: DDR3. Passmark benchmark score: 5,112 points. Launch price was $287.

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Processing Power

Both the Core i7-3615QM and Xeon E3-1235 share an identical 4-core/8-thread configuration. Boost clocks reach 3.3 GHz on the Core i7-3615QM versus 3.6 GHz on the Xeon E3-1235 — a 8.7% clock advantage for the Xeon E3-1235 (base: 2.3 GHz vs 3.2 GHz). The Core i7-3615QM uses the Ivy Bridge (2012−2013) architecture (22 nm), while the Xeon E3-1235 uses Sandy Bridge (2011−2013) (32 nm). In PassMark, the Core i7-3615QM scores 5,167 against the Xeon E3-1235's 5,112 — a 1.1% lead for the Core i7-3615QM. L3 cache: 6 MB (total) on the Core i7-3615QM vs 8 MB (total) on the Xeon E3-1235.

Feature	Core i7-3615QM	Xeon E3-1235
Cores / Threads	4 / 8	4 / 8
Boost Clock	3.3 GHz	3.6 GHz+9%
Base Clock	2.3 GHz	3.2 GHz+39%
L3 Cache	6 MB (total)	8 MB (total)+33%
L2 Cache	256K (per core)	256 kB (per core)
Process	22 nm-31%	32 nm
Architecture	Ivy Bridge (2012−2013)	Sandy Bridge (2011−2013)
PassMark	5,167+1%	5,112

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Memory & Platform

The Core i7-3615QM uses the FCBGA1224 socket (PCIe 3.0), while the Xeon E3-1235 uses LGA1155 (PCIe 2.0) — making them incompatible on the same motherboard.