Core i7-3970X vs Core i7-7700

Intel

Core i7-3970X

6 Cores12 Thrd150 WWMax: 4 GHz2012
Similar parts
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VS
Intel

Core i7-7700

4 Cores8 Thrd65 WWMax: 4.2 GHz2017
Similar parts
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Core i7-3970X vs Core i7-7700 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 i7-3970X vs Core i7-7700 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 i7-3970X vs Core i7-7700: Pros, Cons & Final Verdict

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

Core i7-3970X

2012

Why buy it

  • +87.5% larger total L3 cache (15 MB vs 8 MB).
  • 150% more PCIe lanes (40 vs 16) for storage and expansion-heavy builds.

Trade-offs

  • Worse for gaming: lower average FPS than Core i7-7700 across 50 shared CPU benchmark tests.
  • Lower PassMark (8,554 vs 8,642).
  • Lower PassMark per dollar, at 8.6 vs 31.8 PassMark/$ ($990 MSRP vs $272 MSRP).
  • 130.8% higher power demand at 150W vs 65W.
  • No integrated graphics, while Core i7-7700 can still boot and troubleshoot without a discrete GPU.

Core i7-7700

2017

Why buy it

  • Better for gaming: +7.1% higher average FPS across 50 shared CPU benchmark tests.
  • Costs $718 less on MSRP ($272 MSRP vs $990 MSRP).
  • Delivers 267.7% more PassMark for each dollar spent, at 31.8 vs 8.6 PassMark/$ ($272 MSRP vs $990 MSRP).
  • Draws 65W instead of 150W, a 85W reduction.
  • Integrated graphics onboard with HD Graphics 630, while Core i7-3970X needs a discrete GPU.

Trade-offs

  • Smaller total L3 cache (8 MB vs 15 MB).

Quick Answers

So, is Core i7-7700 better than Core i7-3970X?
Yes. Core i7-7700 is the better all-around CPU here. It gives you a 7.1% average FPS lead across 50 shared CPU game tests in our data, 1% 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, Core i7-7700 is the better pick. According to our tests, it delivers 7.1% 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, Core i7-7700 is the stronger fit. You are getting 1% better PassMark, backed by 4 cores and 8 threads.
Which one is the smarter buy today, not just the cheaper CPU?
Core i7-7700 is the better buy right now. Core i7-7700 comes in $718 cheaper on MSRP at $272 MSRP versus $990 MSRP, and it still gives you a 7.1% average FPS lead across 50 shared CPU game tests in our data. It is also 267.7% better value on MSRP (31.8 vs 8.6 PassMark/$), 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 i7-7700 makes more sense long term for 2026 and beyond. You are getting a newer CPU generation (2017 vs 2012) and more multi-core headroom with 4 cores / 8 threads instead of 6/12. That extra compute headroom is more likely to matter as games, background tasks, and creator workloads get heavier.

Core i7-3970X vs Core i7-7700 Technical Specifications

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

Intel

Core i7-3970X

The Core i7-3970X is manufactured by Intel. It was released in 1 November 2012 (13 years ago). It is based on the Sandy Bridge-E (2011−2013) architecture. It features 6 cores and 12 threads. Base frequency is 3.5 GHz, with boost up to 4 GHz. L3 cache: 15 MB (total). L2 cache: 256 kB (per core). Built on 32 nm process technology. Socket: LGA2011. Thermal design power (TDP): 150 Watt. Memory support: DDR3. Passmark benchmark score: 8,554 points. Launch price was $593.

Intel

Core i7-7700

The Core i7-7700 is manufactured by Intel. It was released in 3 January 2017 (8 years ago). It is based on the Kaby Lake (2016−2019) architecture. It features 4 cores and 8 threads. Base frequency is 3.6 GHz, with boost up to 4.2 GHz. L3 cache: 8 MB (total). L2 cache: 256K (per core). Built on 14 nm process technology. Socket: LGA1151. Thermal design power (TDP): 65 Watt. Memory support: DDR3, DDR4. Passmark benchmark score: 8,642 points. Launch price was $303.

Processing Power

The Core i7-3970X packs 6 cores / 12 threads, while the Core i7-7700 offers 4 cores / 8 threads — the Core i7-3970X has 2 more cores. Boost clocks reach 4 GHz on the Core i7-3970X versus 4.2 GHz on the Core i7-7700 — a 4.9% clock advantage for the Core i7-7700 (base: 3.5 GHz vs 3.6 GHz). The Core i7-3970X uses the Sandy Bridge-E (2011−2013) architecture (32 nm), while the Core i7-7700 uses Kaby Lake (2016−2019) (14 nm). In PassMark, the Core i7-3970X scores 8,554 against the Core i7-7700's 8,642 — a 1% lead for the Core i7-7700. L3 cache: 15 MB (total) on the Core i7-3970X vs 8 MB (total) on the Core i7-7700.

FeatureCore i7-3970XCore i7-7700
Cores / Threads
6 / 12+50%
4 / 8
Boost Clock
4 GHz
4.2 GHz+5%
Base Clock
3.5 GHz
3.6 GHz+3%
L3 Cache
15 MB (total)+88%
8 MB (total)
L2 Cache
256 kB (per core)
256K (per core)
Process
32 nm
14 nm-56%
Architecture
Sandy Bridge-E (2011−2013)
Kaby Lake (2016−2019)
PassMark
8,554
8,642+1%
Cinebench R23 Multi
1,435
Geekbench 6 Single
742
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Memory & Platform

The Core i7-3970X uses the LGA2011 socket (PCIe 2.0), while the Core i7-7700 uses LGA1151 (PCIe 3.0) — making them incompatible on the same motherboard. Maximum memory speed reaches DDR3-1600 on the Core i7-3970X versus DDR4-2400 on the Core i7-7700 — the Core i7-7700 supports 50% faster memory, which can translate to measurable gains in memory-sensitive workloads. Both support up to 64 GB of RAM. Memory channels: 4 (Core i7-3970X) vs 2 (Core i7-7700). PCIe lanes: 40 (Core i7-3970X) vs 16 (Core i7-7700) — the Core i7-3970X offers 24 more lanes for additional GPUs or NVMe drives. Chipset compatibility: X79 (Core i7-3970X) and 100-series,200-series (Core i7-7700).

FeatureCore i7-3970XCore i7-7700
Socket
LGA2011
LGA1151
PCIe Generation
PCIe 2.0
PCIe 3.0+50%
Max RAM Speed
DDR3-1600
DDR4-2400+50%
Max RAM Capacity
64 GB
64 GB
RAM Channels
4+100%
2
ECC Support
No
No
PCIe Lanes
40+150%
16
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Advanced Features

Only the Core i7-3970X has an unlocked multiplier for overclocking — a significant advantage for enthusiasts seeking extra performance. Both support VT-x, VT-d, EPT virtualization. The Core i7-7700 includes integrated graphics (HD Graphics 630), while the Core i7-3970X requires a dedicated GPU. Primary use case: Core i7-3970X targets HEDT Desktop, Core i7-7700 targets Gaming. Direct competitor: Core i7-3970X rivals FX-9590; Core i7-7700 rivals Ryzen 5 1600.

FeatureCore i7-3970XCore i7-7700
Integrated GPU
No
Yes
IGPU Model
None
HD Graphics 630
Unlocked
Yes
No
AVX-512
No
No
Virtualization
VT-x, VT-d, EPT
VT-x, VT-d, EPT
Target Use
HEDT Desktop
Gaming
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Value Analysis

At launch, the Core i7-3970X was priced at $990, while the Core i7-7700 came in at $272. On launch pricing ($990 vs $272), Core i7-7700 was $718 cheaper. In terms of value on MSRP (PassMark points per dollar), the Core i7-3970X delivers 8.6 pts/$ vs 31.8 pts/$ for the Core i7-7700 — making the Core i7-7700 the 114.5% better value option.

FeatureCore i7-3970XCore i7-7700
MSRP
$990
$272-73%
Performance per Dollar
8.6
31.8+270%
Release Date
2012
2017

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