Celeron 1005M vs Pentium G640T

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.

Celeron 1005M vs Pentium G640T 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.

Celeron 1005M vs Pentium G640T: Pros, Cons & Final Verdict

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

Celeron 1005M

2013

Why buy it

✅100+% more PCIe lanes (16 vs 0) for storage and expansion-heavy builds.
✅Integrated graphics onboard with Intel HD Graphics (Ivy Bridge), while Pentium G640T needs a discrete GPU.

Trade-offs

❌Lower PassMark (1,116 vs 1,139).
❌Smaller total L3 cache (2 MB vs 3 MB).
❌Lower PassMark per dollar, at 13.0 vs 17.8 PassMark/$ ($86 MSRP vs $64 MSRP).
❌1362.9% higher power demand at 512W vs 35W.

Pentium G640T

2012

Why buy it

✅+50% larger total L3 cache (3 MB vs 2 MB).
✅Costs $22 less on MSRP ($64 MSRP vs $86 MSRP).
✅Delivers 37.1% more PassMark for each dollar spent, at 17.8 vs 13.0 PassMark/$ ($64 MSRP vs $86 MSRP).
✅Draws 35W instead of 512W, a 477W reduction.

Trade-offs

❌No integrated graphics, while Celeron 1005M can still boot and troubleshoot without a discrete GPU.

Quick Answers

So, is Pentium G640T better than Celeron 1005M?

Yes. Pentium G640T is the better all-around CPU here. It gives you a 0.2% average FPS lead across 50 shared CPU game tests in our data and 2.1% better PassMark, which is enough to make it the stronger overall pick.

Which one is better for gaming?

If gaming is the priority, Pentium G640T is the better pick. According to our tests, it delivers 0.2% 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, Pentium G640T is the stronger fit. You are getting 2.1% better PassMark, backed by 2 cores and 2 threads. It also has the larger cache pool with 50% larger total L3 cache (3 MB vs 2 MB).

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

Pentium G640T is the better buy right now. Pentium G640T comes in $22 cheaper on MSRP at $64 MSRP versus $86 MSRP, and it still gives you a 0.2% average FPS lead across 50 shared CPU game tests in our data. It is also 37.1% better value on MSRP (17.8 vs 13.0 PassMark/$), so you are getting the faster CPU without taking a value hit on paper.

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

Celeron 1005M makes more sense long term for 2026 and beyond. You are getting a newer CPU generation (2013 vs 2012). That makes it the safer long-term bet.

Celeron 1005M vs Pentium G640T Technical Specifications

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

Celeron 1005M

The Celeron 1005M is manufactured by Intel. It was released in 1 July 2013 (12 years ago). It is based on the Ivy Bridge (2012−2013) architecture. It features 2 cores and 2 threads. Base frequency is 1.9 GHz, with boost up to 1.9 GHz. L3 cache: 2 MB. L2 cache: 512 kB. Built on 22 nm process technology. Socket: PGA988. Thermal design power (TDP): 35 Watt. Memory support: DDR3. Passmark benchmark score: 1,116 points. Launch price was $86.

Pentium G640T

The Pentium G640T is manufactured by Intel. It was released in 2007-01-01. It is based on the Sandy Bridge (2011−2013) architecture. It features 2 cores and 2 threads. Base frequency is 2.4 GHz, with boost up to 2.4 GHz. L3 cache: 3 MB (total). L2 cache: 256 kB (per core). Built on 32 nm process technology. Socket: LGA1155. Thermal design power (TDP): 35 Watt. Memory support: DDR3. Passmark benchmark score: 1,139 points. Launch price was $69.

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Processing Power

Both the Celeron 1005M and Pentium G640T share an identical 2-core/2-thread configuration. Boost clocks reach 1.9 GHz on the Celeron 1005M versus 2.4 GHz on the Pentium G640T — a 23.3% clock advantage for the Pentium G640T (base: 1.9 GHz vs 2.4 GHz). The Celeron 1005M uses the Ivy Bridge (2012−2013) architecture (22 nm), while the Pentium G640T uses Sandy Bridge (2011−2013) (32 nm). In PassMark, the Celeron 1005M scores 1,116 against the Pentium G640T's 1,139 — a 2% lead for the Pentium G640T. L3 cache: 2 MB on the Celeron 1005M vs 3 MB (total) on the Pentium G640T.

Feature	Celeron 1005M	Pentium G640T
Cores / Threads	2 / 2	2 / 2
Boost Clock	1.9 GHz	2.4 GHz+26%
Base Clock	1.9 GHz	2.4 GHz+26%
L3 Cache	2 MB	3 MB (total)+50%
L2 Cache	512 kB+100%	256 kB (per core)
Process	22 nm-31%	32 nm
Architecture	Ivy Bridge (2012−2013)	Sandy Bridge (2011−2013)
PassMark	1,116	1,139+2%
Cinebench R23 Multi	656	—
Geekbench 6 Single	350	—
Geekbench 6 Multi	607	—

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Memory & Platform

The Celeron 1005M uses the PGA988 socket (PCIe 3.0), while the Pentium G640T uses LGA1155 (PCIe 2.0) — making them incompatible on the same motherboard.

Feature	Celeron 1005M	Pentium G640T
Socket	PGA988	LGA1155
PCIe Generation	PCIe 3.0+50%	PCIe 2.0
Max RAM Speed	DDR3-1600	—
Max RAM Capacity	32 GB	—
RAM Channels	2	—
ECC Support	No	—
PCIe Lanes	16	—

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Advanced Features

Virtualization: VT-x, VT-d (Celeron 1005M) / not specified (Pentium G640T). The Celeron 1005M includes integrated graphics (Intel HD Graphics (Ivy Bridge)), while the Pentium G640T requires a dedicated GPU.

Feature	Celeron 1005M	Pentium G640T
Integrated GPU	Yes	—
IGPU Model	Intel HD Graphics (Ivy Bridge)	—
Unlocked	No	—
AVX-512	No	—
Virtualization	VT-x, VT-d	—

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Value Analysis

At launch, the Celeron 1005M was priced at $86, while the Pentium G640T came in at $64. On launch pricing ($86 vs $64), Pentium G640T was $22 cheaper. In terms of value on MSRP (PassMark points per dollar), the Celeron 1005M delivers 13.0 pts/$ vs 17.8 pts/$ for the Pentium G640T — making the Pentium G640T the 31.3% better value option.

Feature	Celeron 1005M	Pentium G640T
MSRP	$86	$64-26%
Performance per Dollar	13.0	17.8+37%
Release Date	2013	2012

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