Athlon II Neo K345 vs Core i3-2312M

Athlon II Neo K345 vs Core i3-2312M Performance Spectrum

Athlon II Neo K345

2 / 2

1,191

+0.2%

Ryzen Threadripper PRO 3955WX

Ryzen Threadripper PRO 7955WX

Ryzen Threadripper 3990X

Core i3-2312M

2 / 4

1,189

0.0%

Atom E3827

Celeron B820

Celeron P4505

Celeron Dual-Core T1700

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 Core i3-2312M 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 Core i3-2312M: 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

✅+0.2% higher PassMark.
✅Costs $175 less on MSRP ($50 MSRP vs $225 MSRP).
✅Delivers 350.8% more PassMark for each dollar spent, at 23.8 vs 5.3 PassMark/$ ($50 MSRP vs $225 MSRP).
✅Draws 1W instead of 512W, a 511W reduction.

Trade-offs

❌No integrated graphics, while Core i3-2312M can still boot and troubleshoot without a discrete GPU.

Core i3-2312M

2011

Why buy it

✅100+% more PCIe lanes (16 vs 0) for storage and expansion-heavy builds.
✅Integrated graphics onboard with Intel HD Graphics 3000, while Athlon II Neo K345 needs a discrete GPU.

Trade-offs

❌Lower PassMark (1,189 vs 1,191).
❌Lower PassMark per dollar, at 5.3 vs 23.8 PassMark/$ ($225 MSRP vs $50 MSRP).
❌51100% higher power demand at 512W vs 1W.

Quick Answers

So, is Athlon II Neo K345 better than Core i3-2312M?

It depends on what you want from the system. For gaming, Core i3-2312M is ahead with a 1.7% average FPS lead across 50 shared CPU game tests in our data. For rendering, compiling, streaming, and heavier multitasking, Athlon II Neo K345 pulls ahead with 0.2% better PassMark.

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

For streaming, content creation, and heavier multitasking, Athlon II Neo K345 is the stronger fit. You are getting 0.2% better PassMark, backed by 2 cores and 2 threads.

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

Athlon II Neo K345 is the better buy right now. Athlon II Neo K345 comes in $175 cheaper on MSRP at $50 MSRP versus $225 MSRP, and it still gives you 0.2% better PassMark. The compromise is that Core i3-2312M is still the better pure gaming CPU with a 1.7% average FPS lead across 50 shared CPU game tests in our data. It is also 350.8% better value on MSRP (23.8 vs 5.3 PassMark/$), 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 i3-2312M makes more sense long term for 2026 and beyond. You are getting a newer CPU generation (2011 vs 2010). That makes it the safer long-term bet.

Athlon II Neo K345 vs Core i3-2312M 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.

Core i3-2312M

The Core i3-2312M is manufactured by Intel. It was released in 1 September 2011 (14 years ago). It is based on the Sandy Bridge (2011−2013) architecture. It features 2 cores and 4 threads. Base frequency is 2.1 GHz, with boost up to 2.1 GHz. L3 cache: 3 MB (total). L2 cache: 256K (per core). Built on 32 nm process technology. Socket: PGA988. Thermal design power (TDP): 35 Watt. Memory support: DDR3. Passmark benchmark score: 1,189 points. Launch price was $225.

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Processing Power

The Athlon II Neo K345 packs 2 cores / 2 threads, matching the Core i3-2312M's 2 cores. Boost clocks reach 1.4 GHz on the Athlon II Neo K345 versus 2.1 GHz on the Core i3-2312M — a 40% clock advantage for the Core i3-2312M. The Athlon II Neo K345 uses the Champlain (2010−2011) architecture (45 nm), while the Core i3-2312M uses Sandy Bridge (2011−2013) (32 nm). In PassMark, the Athlon II Neo K345 scores 1,191 against the Core i3-2312M's 1,189 — a 0.2% lead for the Athlon II Neo K345.

Feature	Athlon II Neo K345	Core i3-2312M
Cores / Threads	2 / 2	2 / 4
Boost Clock	1.4 GHz	2.1 GHz+50%
Base Clock	—	2.1 GHz
L3 Cache	—	3 MB (total)
L2 Cache	1 MB	256K (per core)+25500%
Process	45 nm	32 nm-29%
Architecture	Champlain (2010−2011)	Sandy Bridge (2011−2013)
PassMark	1,191	1,189
Geekbench 6 Multi	—	731

🧠

Memory & Platform

The Athlon II Neo K345 uses the S1 socket (PCIe 2.0), while the Core i3-2312M uses PGA988 (PCIe 2.0) — making them incompatible on the same motherboard. Maximum memory speed reaches DDR3-1066 on the Athlon II Neo K345 versus 1333 on the Core i3-2312M — the Core i3-2312M supports 25% faster memory, which can translate to measurable gains in memory-sensitive workloads. The Core i3-2312M supports up to 16 GB of RAM compared to 4 GB — 300% more capacity for professional workloads. Both feature 2-channel memory with ECC support. PCIe lanes: 0 (Athlon II Neo K345) vs 16 (Core i3-2312M) — the Core i3-2312M offers 16 more lanes for additional GPUs or NVMe drives. Chipset compatibility: AMD ASB2 (Athlon II Neo K345) and HM65,HM67,QM67 (Core i3-2312M).

Feature	Athlon II Neo K345	Core i3-2312M
Socket	S1	PGA988
PCIe Generation	PCIe 2.0	PCIe 2.0
Max RAM Speed	DDR3-1066	1333+25%
Max RAM Capacity	4 GB	16 GB+300%
RAM Channels	2	2
ECC Support	No	No
PCIe Lanes	0	16

🔧

Advanced Features

Virtualization: not specified (Athlon II Neo K345) / true (Core i3-2312M). The Core i3-2312M includes integrated graphics (Intel HD Graphics 3000), while the Athlon II Neo K345 requires a dedicated GPU.

Feature	Athlon II Neo K345	Core i3-2312M
Integrated GPU	No	Yes
IGPU Model	—	Intel HD Graphics 3000
Unlocked	—	No
AVX-512	—	No
Virtualization	—	true

💰

Value Analysis

At launch, the Athlon II Neo K345 was priced at $50, while the Core i3-2312M came in at $225. On launch pricing ($50 vs $225), Athlon II Neo K345 was $175 cheaper. In terms of value on MSRP (PassMark points per dollar), the Athlon II Neo K345 delivers 23.8 pts/$ vs 5.3 pts/$ for the Core i3-2312M — making the Athlon II Neo K345 the 127.4% better value option.

Feature	Athlon II Neo K345	Core i3-2312M
MSRP	$50-78%	$225
Performance per Dollar	23.8+349%	5.3
Release Date	2010	2011

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