Athlon II Neo K345 vs Ryzen 7 7800X3D

CPU

GPU

Athlon II Neo K345

2 Cores2 Thrd1 WWMax: 1.4 GHz2010

Similar parts

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Ryzen 7 7800X3D

8 Cores16 Thrd120 WWMax: 5 GHz2023

Ryzen family

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Athlon II Neo K345 vs Ryzen 7 7800X3D Performance Spectrum

Athlon II Neo K345

2 / 2

1,191

0.0%

Ryzen Threadripper PRO 3955WX

Ryzen Threadripper PRO 7955WX

Ryzen Threadripper 3990X

Ryzen 7 7800X3D

8 / 16

34,293

+2779.3%

Ryzen Threadripper PRO 7965WX

Ryzen Threadripper 7970X

About PassMark

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.

Athlon II Neo K345 vs Ryzen 7 7800X3D 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.

Athlon II Neo K345 vs Ryzen 7 7800X3D: Pros, Cons & Final Verdict

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

Athlon II Neo K345

2010

Why buy it

✅Costs $399 less on MSRP ($50 MSRP vs $449 MSRP).
✅Draws 1W instead of 120W, a 119W reduction.

Trade-offs

❌Worse for gaming: lower average FPS than Ryzen 7 7800X3D across 37 shared CPU benchmark tests.
❌Lower PassMark (1,191 vs 34,293).
❌Lower PassMark per dollar, at 23.8 vs 76.4 PassMark/$ ($50 MSRP vs $449 MSRP).
❌Older platform position on S1, while Ryzen 7 7800X3D moves to AM5 and DDR5.
❌No integrated graphics, while Ryzen 7 7800X3D can still boot and troubleshoot without a discrete GPU.

Ryzen 7 7800X3D

2023

Why buy it

✅Better for gaming: +817.2% higher average FPS across 37 shared CPU benchmark tests.
✅Delivers 220.6% more PassMark for each dollar spent, at 76.4 vs 23.8 PassMark/$ ($449 MSRP vs $50 MSRP).
✅Newer platform on AM5 with DDR5 support instead of S1 and older memory support.
✅100+% more PCIe lanes (28 vs 0) for storage and expansion-heavy builds.
✅Integrated graphics onboard with AMD Radeon Graphics (2-core), while Athlon II Neo K345 needs a discrete GPU.

Trade-offs

❌
798% HIGHER MSRP
$449 MSRPvs$50 MSRP
❌11900% higher power demand at 120W vs 1W.

Quick Answers

So, is Ryzen 7 7800X3D better than Athlon II Neo K345?

Yes. Ryzen 7 7800X3D is the better all-around CPU here. It gives you a 817.2% average FPS lead across 37 shared CPU game tests in our data, 2779.3% better PassMark, and the stronger long-term platform, which is enough to make it the stronger overall pick.

Which one is better for gaming?

If gaming is the priority, Ryzen 7 7800X3D is the better pick. According to our tests, it delivers 817.2% more average FPS across 37 shared CPU game tests. It also has a clear cache advantage at 96 MB versus null.

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

For streaming, content creation, and heavier multitasking, Ryzen 7 7800X3D is the stronger fit. You are getting 2779.3% better PassMark, backed by 8 cores and 16 threads.

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

Ryzen 7 7800X3D is the better buy right now. Ryzen 7 7800X3D comes in 798.0% more expensive on MSRP at $449 MSRP versus $50 MSRP, and it still gives you a 817.2% average FPS lead across 37 shared CPU game tests in our data. It is also 220.6% better value on MSRP (76.4 vs 23.8 PassMark/$), so you are getting the faster CPU without taking a value hit on paper.

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

Ryzen 7 7800X3D makes more sense long term for 2026 and beyond. You are getting a newer CPU generation (2023 vs 2010), a healthier platform with AM5 and DDR5 instead of S1, 3D V-Cache and a much larger 96 MB L3 cache instead of null, and more multi-core headroom with 8 cores / 16 threads instead of 2/2. That gives you a healthier platform runway for motherboard, RAM, and later CPU upgrades.

Athlon II Neo K345 vs Ryzen 7 7800X3D Technical Specifications

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

Athlon II Neo K345

The Athlon II Neo K345 is manufactured by AMD. It was released in 2009-01-01. It is based on the Champlain (2010−2011) architecture. It features 2 cores and 2 threads. Max frequency: 1.4 GHz. L2 cache: 1 MB. Built on 45 nm process technology. Socket: S1. Thermal design power (TDP): 1 MB. Memory support: DDR3. Passmark benchmark score: 1,191 points. Launch price was $149.

Ryzen 7 7800X3D

The Ryzen 7 7800X3D is manufactured by AMD. It was released in 4 January 2023 (2 years ago). It is based on the Raphael (Zen4) (2022−2023) architecture. It features 8 cores and 16 threads. Base frequency is 4.4 GHz, with boost up to 5 GHz. L3 cache: 96 MB (total). L2 cache: 1 MB (per core). Built on 5 nm process technology. Socket: AM5. Thermal design power (TDP): 120 Watt. Memory support: DDR5-5200. Passmark benchmark score: 34,293 points. Launch price was $449.

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Processing Power

The Athlon II Neo K345 packs 2 cores / 2 threads, while the Ryzen 7 7800X3D offers 8 cores / 16 threads — the Ryzen 7 7800X3D has 6 more cores. Boost clocks reach 1.4 GHz on the Athlon II Neo K345 versus 5 GHz on the Ryzen 7 7800X3D — a 112.5% clock advantage for the Ryzen 7 7800X3D. The Athlon II Neo K345 uses the Champlain (2010−2011) architecture (45 nm), while the Ryzen 7 7800X3D uses Raphael (Zen4) (2022−2023) (5 nm). In PassMark, the Athlon II Neo K345 scores 1,191 against the Ryzen 7 7800X3D's 34,293 — a 186.6% lead for the Ryzen 7 7800X3D.

Feature	Athlon II Neo K345	Ryzen 7 7800X3D
Cores / Threads	2 / 2	8 / 16+300%
Boost Clock	1.4 GHz	5 GHz+257%
Base Clock	—	4.4 GHz
L3 Cache	—	96 MB (total)
L2 Cache	1 MB	1 MB (per core)
Process	45 nm	5 nm-89%
Architecture	Champlain (2010−2011)	Raphael (Zen4) (2022−2023)
PassMark	1,191	34,293+2779%
Cinebench R23 Multi	—	18,500
Geekbench 6 Single	—	2,700
Geekbench 6 Multi	—	15,000

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Memory & Platform

The Athlon II Neo K345 uses the S1 socket (PCIe 2.0), while the Ryzen 7 7800X3D uses AM5 (PCIe 5.0) — making them incompatible on the same motherboard. Maximum memory speed reaches DDR3-1066 on the Athlon II Neo K345 versus DDR5-5200 on the Ryzen 7 7800X3D — the Ryzen 7 7800X3D supports 387.8% faster memory, which can translate to measurable gains in memory-sensitive workloads. The Ryzen 7 7800X3D supports up to 128 GB of RAM compared to 4 GB — 3100% more capacity for professional workloads. Both feature 2-channel memory with ECC support. PCIe lanes: 0 (Athlon II Neo K345) vs 28 (Ryzen 7 7800X3D) — the Ryzen 7 7800X3D offers 28 more lanes for additional GPUs or NVMe drives. Chipset compatibility: AMD ASB2 (Athlon II Neo K345) and X670E,X670,B650E,B650,A620 (Ryzen 7 7800X3D).

Feature	Athlon II Neo K345	Ryzen 7 7800X3D
Socket	S1	AM5
PCIe Generation	PCIe 2.0	PCIe 5.0+150%
Max RAM Speed	DDR3-1066	DDR5-5200+388%
Max RAM Capacity	4 GB	128 GB+3100%
RAM Channels	2	2
ECC Support	No	Yes
PCIe Lanes	0	28

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Advanced Features

Virtualization: not specified (Athlon II Neo K345) / AMD-V (Ryzen 7 7800X3D). The Ryzen 7 7800X3D includes integrated graphics (AMD Radeon Graphics (2-core)), while the Athlon II Neo K345 requires a dedicated GPU. Primary use case: Ryzen 7 7800X3D targets Gaming. Direct competitor: Ryzen 7 7800X3D rivals Intel Core i7-14700K.

Feature	Athlon II Neo K345	Ryzen 7 7800X3D
Integrated GPU	No	Yes
IGPU Model	—	AMD Radeon Graphics (2-core)
Unlocked	—	Yes
AVX-512	—	Yes
Virtualization	—	AMD-V
Target Use	—	Gaming

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Value Analysis

At launch, the Athlon II Neo K345 was priced at $50, while the Ryzen 7 7800X3D came in at $449. On launch pricing ($50 vs $449), Athlon II Neo K345 was $399 cheaper. In terms of value on MSRP (PassMark points per dollar), the Athlon II Neo K345 delivers 23.8 pts/$ vs 76.4 pts/$ for the Ryzen 7 7800X3D — making the Ryzen 7 7800X3D the 104.9% better value option.

Feature	Athlon II Neo K345	Ryzen 7 7800X3D
MSRP	$50-89%	$449
Performance per Dollar	23.8	76.4+221%
Release Date	2010	2023

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