Core i7-2635QM vs Pentium Gold G6400T

Intel

Core i7-2635QM

4 Cores8 Thrd45 WWMax: 2.9 GHz2011
VS
Intel

Pentium Gold G6400T

2 Cores4 Thrd35 WW2020

Core i7-2635QM vs Pentium Gold G6400T Performance Spectrum

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 i7-2635QM vs Pentium Gold G6400T 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 i7-2635QM vs Pentium Gold G6400T: Pros, Cons & Final Verdict

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

Core i7-2635QM

2011

Why buy it

  • โœ…Better for gaming: +9.7% higher average FPS across 50 shared CPU benchmark tests.
  • โœ…+50% larger total L3 cache (6 MB vs 4 MB).
  • โœ…100+% more PCIe lanes (16 vs 0) for storage and expansion-heavy builds.
  • โœ…Integrated graphics onboard with HD Graphics 3000, while Pentium Gold G6400T needs a discrete GPU.

Trade-offs

  • โŒLower PassMark (3,541 vs 3,544).
  • โŒLaunch MSRP is still $378 MSRP, while Pentium Gold G6400T mostly shows up through inconsistent older-market listings.
  • โŒ28.6% higher power demand at 45W vs 35W.

Pentium Gold G6400T

2020

Why buy it

  • โœ…+0.1% higher PassMark.
  • โœ…Draws 35W instead of 45W, a 10W reduction.

Trade-offs

  • โŒWorse for gaming: lower average FPS than Core i7-2635QM across 50 shared CPU benchmark tests.
  • โŒSmaller total L3 cache (4 MB vs 6 MB).
  • โŒNo integrated graphics, while Core i7-2635QM can still boot and troubleshoot without a discrete GPU.

Quick Answers

So, is Pentium Gold G6400T better than Core i7-2635QM?
It depends on what you want from the system. For gaming, Core i7-2635QM is ahead with a 9.7% average FPS lead across 50 shared CPU game tests in our data. For rendering, compiling, streaming, and heavier multitasking, Pentium Gold G6400T pulls ahead with 0.1% better PassMark. Core i7-2635QM also has the bigger cache pool with 50% larger total L3 cache (6 MB vs 4 MB).
Which one is better for streaming, content creation, and heavy multitasking?
For streaming, content creation, and heavier multitasking, Pentium Gold G6400T is the stronger fit. You are getting 0.1% better PassMark, backed by 2 cores and 4 threads.
Which one is the smarter buy today, not just the cheaper CPU?
Pentium Gold G6400T is the easy recommendation for a fresh desktop build. Pentium Gold G6400T comes in at an unclear MSRP at unclear MSRP versus $378 MSRP, and it still gives you 0.1% better PassMark. Core i7-2635QM only looks good on raw value math because it is a cheap legacy laptop chip, not because it is a real desktop gaming recommendation. It simply does not keep up in modern games.
Which one is more future-proof for 2026 and beyond?
Pentium Gold G6400T makes more sense long term for 2026 and beyond. You are getting a newer CPU generation (2020 vs 2011) and more multi-core headroom with 2 cores / 4 threads instead of 4/8. That extra compute headroom is more likely to matter as games, background tasks, and creator workloads get heavier.

Core i7-2635QM vs Pentium Gold G6400T Technical Specifications

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

Intel

Core i7-2635QM

The Core i7-2635QM is manufactured by Intel. It was released in 3 January 2011 (14 years ago). It is based on the Sandy Bridge (2011โˆ’2013) architecture. It features 4 cores and 8 threads. Base frequency is 2 GHz, with boost up to 2.9 GHz. L3 cache: 6 MB (total). L2 cache: 256K (per core). Built on 32 nm process technology. Socket: FCBGA1224. Thermal design power (TDP): 45 Watt. Memory support: DDR3-1066, DDR3-1333. Passmark benchmark score: 3,541 points. Launch price was $378.

Intel

Pentium Gold G6400T

The Pentium Gold G6400T is manufactured by Intel. It was released in 2007-01-01. It features 2 cores and 4 threads. Base frequency: 3.4 GHz. L3 cache: 4 MB Intelยฎ Smart Cache. Built on 14 nm process technology. Socket: LGA1200. Thermal design power (TDP): 35 Watt. Memory support: DDR4-2666. Passmark benchmark score: 3,544 points. Launch price was $69.

โšก

Processing Power

The Core i7-2635QM packs 4 cores / 8 threads, while the Pentium Gold G6400T offers 2 cores / 4 threads โ€” the Core i7-2635QM has 2 more cores. The Core i7-2635QM is built on the Sandy Bridge (2011โˆ’2013) architecture. In PassMark, the Core i7-2635QM scores 3,541 against the Pentium Gold G6400T's 3,544 โ€” a 0.1% lead for the Pentium Gold G6400T. L3 cache: 6 MB (total) on the Core i7-2635QM vs 4 MB Intelยฎ Smart Cache on the Pentium Gold G6400T.

FeatureCore i7-2635QMPentium Gold G6400T
Cores / Threads
4 / 8+100%
2 / 4
Boost Clock
2.9 GHz
โ€”
Base Clock
2 GHz
3.4 GHz+70%
L3 Cache
6 MB (total)+50%
4 MB Intelยฎ Smart Cache
L2 Cache
256K (per core)
โ€”
Process
32 nm
14 nm-56%
Architecture
Sandy Bridge (2011โˆ’2013)
โ€”
PassMark
3,541
3,544
๐Ÿง 

Memory & Platform

The Core i7-2635QM uses the FCBGA1224 socket (PCIe 2.0), while the Pentium Gold G6400T uses LGA1200 (PCIe 3.0) โ€” making them incompatible on the same motherboard.

FeatureCore i7-2635QMPentium Gold G6400T
Socket
FCBGA1224
LGA1200
PCIe Generation
PCIe 2.0
PCIe 3.0+50%
Max RAM Speed
DDR3-1333
โ€”
Max RAM Capacity
16 GB
โ€”
RAM Channels
2
โ€”
ECC Support
No
โ€”
PCIe Lanes
16
โ€”
๐Ÿ”ง

Advanced Features

Virtualization: VT-x (Core i7-2635QM) / not specified (Pentium Gold G6400T). The Core i7-2635QM includes integrated graphics (HD Graphics 3000), while the Pentium Gold G6400T requires a dedicated GPU. Primary use case: Core i7-2635QM targets Mobile.

FeatureCore i7-2635QMPentium Gold G6400T
Integrated GPU
Yes
โ€”
IGPU Model
HD Graphics 3000
โ€”
Unlocked
No
โ€”
AVX-512
No
โ€”
Virtualization
VT-x
โ€”
Target Use
Mobile
โ€”