Core i3-1005G1 vs FX-8140

Core i3-1005G1 vs FX-8140 Performance Spectrum

Core i3-1005G1

2 / 4

4,827

0.0%

4,860

+0.7%

FX-4130

FX-7500

Athlon X4 845

Ryzen Embedded R1606G

Ryzen 9 PRO 6950H

Ryzen AI Max PRO 390

Ryzen 9 9955HX3D

Ryzen Threadripper PRO 7965WX

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.

Core i3-1005G1 vs FX-8140 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 i3-1005G1 vs FX-8140: Pros, Cons & Final Verdict

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

Core i3-1005G1

2019

Why buy it

✅Draws 15W instead of 95W, a 80W reduction.
✅100+% more PCIe lanes (16 vs 0) for storage and expansion-heavy builds.
✅Integrated graphics onboard with Intel UHD Graphics (Ice Lake), while FX-8140 needs a discrete GPU.

Trade-offs

❌Worse for gaming: lower average FPS than FX-8140 across 50 shared CPU benchmark tests.
❌Lower PassMark (4,827 vs 4,860).
❌Smaller total L3 cache (4 MB vs 8 MB).

FX-8140

2012

Why buy it

✅Better for gaming: +22.0% higher average FPS across 50 shared CPU benchmark tests.
✅+100% larger total L3 cache (8 MB vs 4 MB).

Trade-offs

❌Launch MSRP is still $225 MSRP, while Core i3-1005G1 mostly shows up through inconsistent older-market listings.
❌533.3% higher power demand at 95W vs 15W.
❌No integrated graphics, while Core i3-1005G1 can still boot and troubleshoot without a discrete GPU.

Quick Answers

So, is FX-8140 better than Core i3-1005G1?

Yes. FX-8140 is the better all-around CPU here. It gives you a 22.0% average FPS lead across 50 shared CPU game tests in our data and 0.7% better PassMark, which is enough to make it the stronger overall pick.

Which one is better for gaming?

If gaming is the priority, FX-8140 is the better pick. According to our tests, it delivers 22.0% more average FPS across 50 shared CPU game tests.

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

For streaming, content creation, and heavier multitasking, FX-8140 is the stronger fit. You are getting 0.7% better PassMark, backed by 8 cores and 8 threads. It also has the larger cache pool with 100% larger total L3 cache (8 MB vs 4 MB).

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

FX-8140 is the better buy right now. FX-8140 comes in at an unclear MSRP at $225 MSRP versus unclear MSRP, and it still gives you a 22.0% average FPS lead across 50 shared CPU game tests in our data. It is also 100.0% better value on MSRP (21.6 vs 0.0 PassMark/$), 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 i3-1005G1 makes more sense long term for 2026 and beyond. You are getting a newer CPU generation (2019 vs 2012). That makes it the safer long-term bet.

Core i3-1005G1 vs FX-8140 Technical Specifications

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

Core i3-1005G1

The Core i3-1005G1 is manufactured by Intel. It was released in 1 August 2019 (6 years ago). It is based on the Ice Lake (Client) (2019) architecture. It features 2 cores and 4 threads. Base frequency is 1.2 GHz, with boost up to 3.4 GHz. L3 cache: 4 MB (total). L2 cache: 256K (per core). Built on 10 nm process technology. Socket: FCBGA1526. Thermal design power (TDP): 15 Watt. Memory support: DDR4. Passmark benchmark score: 4,827 points. Launch price was $281.

FX-8140

The FX-8140 is manufactured by AMD. It was released in 23 October 2012 (13 years ago). It is based on the Zambezi (2011−2012) architecture. It features 8 cores and 8 threads. Base frequency is 3.2 GHz, with boost up to 4.1 GHz. L3 cache: 8 MB (total). L2 cache: 8 MB. Built on 32 nm process technology. Socket: AM3+. Thermal design power (TDP): 95 Watt. Memory support: DDR3. Passmark benchmark score: 4,860 points. Launch price was $69.

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Processing Power

The Core i3-1005G1 packs 2 cores / 4 threads, while the FX-8140 offers 8 cores / 8 threads — the FX-8140 has 6 more cores. Boost clocks reach 3.4 GHz on the Core i3-1005G1 versus 4.1 GHz on the FX-8140 — a 18.7% clock advantage for the FX-8140 (base: 1.2 GHz vs 3.2 GHz). The Core i3-1005G1 uses the Ice Lake (Client) (2019) architecture (10 nm), while the FX-8140 uses Zambezi (2011−2012) (32 nm). In PassMark, the Core i3-1005G1 scores 4,827 against the FX-8140's 4,860 — a 0.7% lead for the FX-8140. L3 cache: 4 MB (total) on the Core i3-1005G1 vs 8 MB (total) on the FX-8140.

Feature	Core i3-1005G1	FX-8140
Cores / Threads	2 / 4	8 / 8+300%
Boost Clock	3.4 GHz	4.1 GHz+21%
Base Clock	1.2 GHz	3.2 GHz+167%
L3 Cache	4 MB (total)	8 MB (total)+100%
L2 Cache	256K (per core)+3100%	8 MB
Process	10 nm-69%	32 nm
Architecture	Ice Lake (Client) (2019)	Zambezi (2011−2012)
PassMark	4,827	4,860
Cinebench R23 Multi	2,319	—
Geekbench 6 Single	603	—
Geekbench 6 Multi	2,605	—

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Memory & Platform

The Core i3-1005G1 uses the FCBGA1526 socket (PCIe 3.0), while the FX-8140 uses AM3+ (PCIe 2.0) — making them incompatible on the same motherboard.

Feature	Core i3-1005G1	FX-8140
Socket	FCBGA1526	AM3+
PCIe Generation	PCIe 3.0+50%	PCIe 2.0
Max RAM Speed	DDR4-3200 / LPDDR4-3733	—
Max RAM Capacity	64 GB	—
RAM Channels	2	—
ECC Support	No	—
PCIe Lanes	16	—

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Advanced Features

Virtualization: VT-x / VT-d / EPT (Core i3-1005G1) / not specified (FX-8140). The Core i3-1005G1 includes integrated graphics (Intel UHD Graphics (Ice Lake)), while the FX-8140 requires a dedicated GPU. Primary use case: Core i3-1005G1 targets Thin-and-light.