Core i5-8305G vs Xeon E5-2623 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.

Core i5-8305G vs Xeon E5-2623 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.

Core i5-8305G vs Xeon E5-2623 v4: Pros, Cons & Final Verdict

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

Core i5-8305G

2018

Why buy it

✅Draws 65W instead of 85W, a 20W reduction.

Trade-offs

❌Lower PassMark (6,801 vs 6,868).
❌Smaller total L3 cache (6 MB vs 10 MB).
❌Launch MSRP is still $350 MSRP, while Xeon E5-2623 v4 mostly shows up through inconsistent older-market listings.

Xeon E5-2623 v4

2016

Why buy it

✅+1% higher PassMark.
✅+66.7% larger total L3 cache (10 MB vs 6 MB).

Trade-offs

❌30.8% higher power demand at 85W vs 65W.

Quick Answers

So, is Core i5-8305G better than Xeon E5-2623 v4?

Not really, because they are built for different jobs. Xeon E5-2623 v4 makes more sense for workstation-style multi-core throughput, while Core i5-8305G 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 E5-2623 v4 is the stronger fit. You are getting 1% better PassMark, backed by 4 cores and 8 threads. It also has the larger cache pool with 66.7% larger total L3 cache (10 MB vs 6 MB).

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

Core i5-8305G is the better buy right now. Core i5-8305G comes in at an unclear MSRP at $350 MSRP versus unclear MSRP, and it still gives you a 0.7% average FPS lead across 50 shared CPU game tests in our data. The compromise is that Xeon E5-2623 v4 is still stronger for heavier multi-core work with 1% better PassMark. It is also 100.0% better value on MSRP (19.4 vs 0.0 PassMark/$), 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 i5-8305G makes more sense long term for 2026 and beyond. You are getting a newer CPU generation (2018 vs 2016). That makes it the safer long-term bet.

Core i5-8305G vs Xeon E5-2623 v4 Technical Specifications

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

Core i5-8305G

The Core i5-8305G is manufactured by Intel. It was released in 1 February 2018 (7 years ago). It is based on the Kaby Lake G (2018) architecture. It features 4 cores and 8 threads. Base frequency is 2.8 GHz, with boost up to 3.8 GHz. L3 cache: 6 MB (total). L2 cache: 256K (per core). Built on 14 nm process technology. Socket: FCBGA2270. Thermal design power (TDP): 65 Watt. Memory support: DDR4. Passmark benchmark score: 6,801 points. Launch price was $149.

Xeon E5-2623 v4

The Xeon E5-2623 v4 is manufactured by Intel. It was released in 20 June 2016 (9 years ago). It is based on the Broadwell (2015−2019) architecture. It features 4 cores and 8 threads. Base frequency is 2.6 GHz, with boost up to 3.2 GHz. L3 cache: 10 MB. L2 cache: 1 MB. Built on 14 nm process technology. Socket: LGA2011. Thermal design power (TDP): 85 Watt. Memory support: DDR4-1600, DDR4-1866, DDR4-2133. Passmark benchmark score: 6,868 points. Launch price was $444.

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Processing Power

Both the Core i5-8305G and Xeon E5-2623 v4 share an identical 4-core/8-thread configuration. Boost clocks reach 3.8 GHz on the Core i5-8305G versus 3.2 GHz on the Xeon E5-2623 v4 — a 17.1% clock advantage for the Core i5-8305G (base: 2.8 GHz vs 2.6 GHz). The Core i5-8305G uses the Kaby Lake G (2018) architecture (14 nm), while the Xeon E5-2623 v4 uses Broadwell (2015−2019) (14 nm). In PassMark, the Core i5-8305G scores 6,801 against the Xeon E5-2623 v4's 6,868 — a 1% lead for the Xeon E5-2623 v4. L3 cache: 6 MB (total) on the Core i5-8305G vs 10 MB on the Xeon E5-2623 v4.

Feature	Core i5-8305G	Xeon E5-2623 v4
Cores / Threads	4 / 8	4 / 8
Boost Clock	3.8 GHz+19%	3.2 GHz
Base Clock	2.8 GHz+8%	2.6 GHz
L3 Cache	6 MB (total)	10 MB+67%
L2 Cache	256K (per core)+25500%	1 MB
Process	14 nm	14 nm
Architecture	Kaby Lake G (2018)	Broadwell (2015−2019)
PassMark	6,801	6,868

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Memory & Platform

The Core i5-8305G uses the FCBGA2270 socket (PCIe 3.0), while the Xeon E5-2623 v4 uses LGA2011 (PCIe 3.0) — making them incompatible on the same motherboard.