Core i7-4785T vs Xeon E3-1275

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 i7-4785T vs Xeon E3-1275 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 i7-4785T vs Xeon E3-1275: Pros, Cons & Final Verdict

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

Core i7-4785T

2013

Why buy it

✅Better for gaming: +5.6% higher average FPS across 50 shared CPU benchmark tests.
✅Draws 35W instead of 95W, a 60W reduction.

Trade-offs

❌Lower PassMark (5,486 vs 5,496).
❌Launch MSRP is still $306 MSRP, while Xeon E3-1275 mostly shows up through inconsistent older-market listings.

Xeon E3-1275

2011

Why buy it

✅+0.2% higher PassMark.

Trade-offs

❌Worse for gaming: lower average FPS than Core i7-4785T across 50 shared CPU benchmark tests.
❌171.4% higher power demand at 95W vs 35W.

Quick Answers

So, is Core i7-4785T better than Xeon E3-1275?

Not really, because they are built for different jobs. Xeon E3-1275 makes more sense for workstation-style multi-core throughput, while Core i7-4785T is the more practical desktop choice for gaming, platform cost, and everyday use.

Which one is better for streaming, content creation, and heavy multitasking?

For streaming, content creation, and heavier multitasking, Xeon E3-1275 is the stronger fit. You are getting 0.2% better PassMark, backed by 4 cores and 8 threads.

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

Core i7-4785T is the better buy right now. Core i7-4785T comes in at an unclear MSRP at $306 MSRP versus unclear MSRP, and it still gives you a 5.6% average FPS lead across 50 shared CPU game tests in our data. The compromise is that Xeon E3-1275 is still stronger for heavier multi-core work with 0.2% better PassMark. It is also 100.0% better value on MSRP (17.9 vs 0.0 PassMark/$), so you are getting the faster CPU without taking a value hit on paper.

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

Core i7-4785T makes more sense long term for 2026 and beyond. You are getting a newer CPU generation (2013 vs 2011). That makes it the safer long-term bet.

Core i7-4785T vs Xeon E3-1275 Technical Specifications

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

Core i7-4785T

The Core i7-4785T is manufactured by Intel. It was released in 2 June 2013 (12 years ago). It is based on the Haswell (2013−2015) architecture. It features 4 cores and 8 threads. Base frequency is 2.2 GHz, with boost up to 3.2 GHz. L3 cache: 8 MB (total). L2 cache: 256K (per core). Built on 22 nm process technology. Socket: LGA1150. Thermal design power (TDP): 35 Watt. Memory support: DDR3-1333/1600, DDR3L-1333/1600. Passmark benchmark score: 5,486 points. Launch price was $149.

Xeon E3-1275

The Xeon E3-1275 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 3.4 GHz, with boost up to 3.8 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: 5,496 points. Launch price was $450.

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Processing Power

Both the Core i7-4785T and Xeon E3-1275 share an identical 4-core/8-thread configuration. Boost clocks reach 3.2 GHz on the Core i7-4785T versus 3.8 GHz on the Xeon E3-1275 — a 17.1% clock advantage for the Xeon E3-1275 (base: 2.2 GHz vs 3.4 GHz). The Core i7-4785T uses the Haswell (2013−2015) architecture (22 nm), while the Xeon E3-1275 uses Sandy Bridge (2011−2013) (32 nm). In PassMark, the Core i7-4785T scores 5,486 against the Xeon E3-1275's 5,496 — a 0.2% lead for the Xeon E3-1275. Both processors carry 8 MB (total) of L3 cache.

Feature	Core i7-4785T	Xeon E3-1275
Cores / Threads	4 / 8	4 / 8
Boost Clock	3.2 GHz	3.8 GHz+19%
Base Clock	2.2 GHz	3.4 GHz+55%
L3 Cache	8 MB (total)	8 MB (total)
L2 Cache	256K (per core)	256 kB (per core)
Process	22 nm-31%	32 nm
Architecture	Haswell (2013−2015)	Sandy Bridge (2011−2013)
PassMark	5,486	5,496

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Memory & Platform

The Core i7-4785T uses the LGA1150 socket (PCIe 3.0), while the Xeon E3-1275 uses LGA1155 (PCIe 2.0) — making them incompatible on the same motherboard.