Xeon E-2124 vs Xeon E3-1265L v4

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.

Xeon E-2124 vs Xeon E3-1265L v4 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.

Xeon E-2124 vs Xeon E3-1265L v4: Pros, Cons & Final Verdict

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

Xeon E-2124

2018

Why buy it

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

Trade-offs

❌Lower PassMark (6,915 vs 6,954).
❌102.9% higher power demand at 71W vs 35W.
❌No integrated graphics, while Xeon E3-1265L v4 can still boot and troubleshoot without a discrete GPU.

Xeon E3-1265L v4

2015

Why buy it

✅+0.6% higher PassMark.
✅Draws 35W instead of 71W, a 36W reduction.
✅100+% more PCIe lanes (16 vs 0) for storage and expansion-heavy builds.
✅Integrated graphics onboard with Iris Pro Graphics P6300, while Xeon E-2124 needs a discrete GPU.

Trade-offs

❌Smaller total L3 cache (6 MB vs 8 MB).
❌Launch MSRP is still $417 MSRP, while Xeon E-2124 mostly shows up through inconsistent older-market listings.

Quick Answers

So, is Xeon E3-1265L v4 better than Xeon E-2124?

It depends on what you want from the system. For gaming, Xeon E-2124 is ahead with a 2.4% average FPS lead across 50 shared CPU game tests in our data. For rendering, compiling, streaming, and heavier multitasking, Xeon E3-1265L v4 pulls ahead with 0.6% better PassMark. Xeon E-2124 also has the bigger cache pool with 33.3% larger total L3 cache (8 MB vs 6 MB).

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

For streaming, content creation, and heavier multitasking, Xeon E3-1265L v4 is the stronger fit. You are getting 0.6% better PassMark, backed by 4 cores and 8 threads.

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

Xeon E3-1265L v4 is the better buy right now. Xeon E3-1265L v4 comes in at an unclear MSRP at $417 MSRP versus unclear MSRP, and it still gives you 0.6% better PassMark. The compromise is that Xeon E-2124 is still the better pure gaming CPU with a 2.4% average FPS lead across 50 shared CPU game tests in our data. It is also 100.0% better value on MSRP (16.7 vs 0.0 PassMark/$), 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 E-2124 makes more sense long term for 2026 and beyond. You are getting a newer CPU generation (2018 vs 2015) and 33.3% larger total L3 cache (8 MB vs 6 MB). That makes it the safer long-term bet.

Xeon E-2124 vs Xeon E3-1265L v4 Technical Specifications

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

Xeon E-2124

The Xeon E-2124 is manufactured by Intel. It was released in 31 May 2018 (7 years ago). It is based on the Coffee Lake-S (2017−2018) architecture. It features 4 cores and 4 threads. Base frequency is 3.3 GHz, with boost up to 4.3 GHz. L3 cache: 8 MB (total). L2 cache: 256K (per core). Built on 14 nm process technology. Socket: LGA1151. Thermal design power (TDP): 71 Watt. Memory support: DDR4-2666. Passmark benchmark score: 6,915 points. Launch price was $193.

Xeon E3-1265L v4

The Xeon E3-1265L v4 is manufactured by Intel. It was released in 2015-01-01. It is based on the Broadwell-DT (2015) 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 14 nm process technology. Socket: LGA1150. Thermal design power (TDP): 35 Watt. Memory support: DDR3L-1333, DDR3L-1600, DDR3L-1866. Passmark benchmark score: 6,954 points. Launch price was $800.

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Processing Power

The Xeon E-2124 packs 4 cores / 4 threads, matching the Xeon E3-1265L v4's 4 cores. Boost clocks reach 4.3 GHz on the Xeon E-2124 versus 3.3 GHz on the Xeon E3-1265L v4 — a 26.3% clock advantage for the Xeon E-2124 (base: 3.3 GHz vs 2.3 GHz). The Xeon E-2124 uses the Coffee Lake-S (2017−2018) architecture (14 nm), while the Xeon E3-1265L v4 uses Broadwell-DT (2015) (14 nm). In PassMark, the Xeon E-2124 scores 6,915 against the Xeon E3-1265L v4's 6,954 — a 0.6% lead for the Xeon E3-1265L v4. L3 cache: 8 MB (total) on the Xeon E-2124 vs 6 MB (total) on the Xeon E3-1265L v4.

Feature	Xeon E-2124	Xeon E3-1265L v4
Cores / Threads	4 / 4	4 / 8
Boost Clock	4.3 GHz+30%	3.3 GHz
Base Clock	3.3 GHz+43%	2.3 GHz
L3 Cache	8 MB (total)+33%	6 MB (total)
L2 Cache	256K (per core)	256K (per core)
Process	14 nm	14 nm
Architecture	Coffee Lake-S (2017−2018)	Broadwell-DT (2015)
PassMark	6,915	6,954
Cinebench R23 Multi	—	4,500
Geekbench 6 Single	—	900
Geekbench 6 Multi	—	3,000

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Memory & Platform

The Xeon E-2124 uses the LGA1151 socket (PCIe 3.0), while the Xeon E3-1265L v4 uses LGA1150 (PCIe 5.0) — making them incompatible on the same motherboard.

Feature	Xeon E-2124	Xeon E3-1265L v4
Socket	LGA1151	LGA1150
PCIe Generation	PCIe 3.0	PCIe 5.0+67%
Max RAM Speed	—	DDR3-1866
Max RAM Capacity	—	32 GB
RAM Channels	—	2
ECC Support	—	Yes
PCIe Lanes	—	16

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Advanced Features

Virtualization: not specified (Xeon E-2124) / VT-x, VT-d (Xeon E3-1265L v4). The Xeon E3-1265L v4 includes integrated graphics (Iris Pro Graphics P6300), while the Xeon E-2124 requires a dedicated GPU. Primary use case: Xeon E3-1265L v4 targets Server.