Core i7-7660U vs FX-8100

Core i7-7660U

2 Cores4 Thrd15 WWMax: 4 GHz2017

FX-8100

8 Cores8 Thrd95 WWMax: 3.7 GHz2011

Performance Spectrum - CPU

Core i7-7660U

2 / 4

4,059

0.0%

4,095

+0.9%

Ryzen Threadripper 3990X

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.

Value Upgrade Path

This is the official ChipVERSUS Value Rating, comparing raw performance (PassMark) per dollar. Components placed above yours deliver better value for money. The Core i7-7660U is positioned at rank 550 and the FX-8100 is on rank 928, so the Core i7-7660U offers better cost-efficiency for playing games.

MSRP is the manufacturer's suggested retail price.•
Avg price is the current average price collected from markets across the web.

Performance Per Dollar Core i7-7660U

#173

Core Ultra 5 238V

MSRP: $454|Avg: $454

99%

#538

Atom x5-Z8300

MSRP: $20|Avg: N/A

723%

#539

Atom Z3735G

MSRP: $17|Avg: N/A

712%

#540

Core i5-480M

MSRP: $81|Avg: $77

654%

#541

Core i5-460M

MSRP: $80|Avg: $129

651%

#542

Core i5-2540M

MSRP: $266|Avg: $10

645%

#544

Core i5-450M

MSRP: $32|Avg: $31

623%

#545

Core i3-380M

MSRP: $49|Avg: $25

597%

#546

Core i5-430M

MSRP: N/A|Avg: $33

596%

#547

Core 2 Duo T6600

MSRP: N/A|Avg: $4

580%

#550

Core i7-7660U

MSRP: N/A|Avg: N/A

100%

#557

Pentium P6200

MSRP: $60|Avg: $25

98%

Based on actual market prices and performance synthetic scores.

Performance Per Dollar FX-8100

Ryzen 9 7950X

MSRP: $194|Avg: $20

22836%

Core i9-10900T

MSRP: $120|Avg: $5

21578%

Ryzen 3 PRO 4355GE

MSRP: $423|Avg: $5

15667%

Ryzen Threadripper 3960X

MSRP: $1399|Avg: $85

4720%

Ryzen 9 9950X

MSRP: $649|Avg: $129

3739%

Ryzen 5 8400F

MSRP: $303|Avg: $55

3271%

Ryzen 7 PRO 2700

MSRP: $299|Avg: $60

1873%

Ryzen 5 2600X

MSRP: $229|Avg: $55

1849%

Ryzen 3 PRO 5350G

MSRP: $150|Avg: $60

1683%

#10

Core Ultra 5 245KF

MSRP: $294|Avg: $189

1683%

#11

Ryzen 5 5500

MSRP: $159|Avg: $85

1664%

#12

Ryzen 5 3600

MSRP: $199|Avg: $80

1619%

#13

Core i3-9100E

MSRP: $202|Avg: $30

1597%

#14

Core Ultra 5 245K

MSRP: $319|Avg: $200

1590%

#15

Core i3-8300T

MSRP: $138|Avg: $25

1576%

#302

Core i7-6900K

MSRP: $1089|Avg: $1089

99%

#303

Core i7-5960X

MSRP: $999|Avg: $83

98%

#928

FX-8100

MSRP: $300|Avg: $50

100%

#930

Celeron E1400

MSRP: $53|Avg: $63

99%

#932

Pentium E6800

MSRP: $86|Avg: $10

98%

#933

Core i3-530

MSRP: $113|Avg: $15

98%

#935

Athlon II X3 405e

MSRP: $100|Avg: $10

98%

#936

Core i3-2105

MSRP: $138|Avg: $30

98%

#937

Core i3-3225

MSRP: $172|Avg: $167

97%

#938

Athlon II X3 400e

MSRP: $100|Avg: $10

97%

#939

Athlon II X2 245e

MSRP: $87|Avg: $15

96%

#940

Core i3-3220T

MSRP: $149|Avg: $146

96%

#941

Athlon II X2 240e

MSRP: $77|Avg: $77

96%

#942

Pentium G630T

MSRP: $79|Avg: $15

96%

#943

Core i7-3970X Extreme Edition

MSRP: $990|Avg: $175

95%

Based on actual market prices and performance synthetic scores.

Performance Comparison

About PassMark

🏆 Chipversus Verdict

🚀 Performance Leadership

Generational Difference: This comparison involves processors from different technological eras. The Core i7-7660U (2017) utilizes 14 nm technology and DDR4, providing a fundamental performance advantage.

Insight	Core i7-7660U	FX-8100
Gaming	✅ Superior gaming performance	❌ Lower gaming performance
Workstation	❌ Weaker in multi-core tasks	✅ Better multi-core power
Price	✅ More affordable ($0)	⚠️ Higher cost ($50)
Longevity	✨ Modern (Kaby Lake (2016−2019) / 14 nm)	🛑 Legacy (Zambezi (2011−2012) / 32 nm)

💎 Value Proposition

The FX-8100 (2011) relies on 32 nm technology and DDR3, placing it in a different performance category relative to modern standards.

Insight	Core i7-7660U	FX-8100
Cost Efficiency	❌ Lower cost efficiency	❌ Lower cost efficiency
Upfront Cost	✅ More affordable ($0)	⚠️ Higher cost ($50)

Performance Check

Paired with RTX 4090

To accurately isolate CPU performance, all benchmarks below use an NVIDIA RTX 4090 as the reference GPU. This eliminates GPU-side bottlenecks and highlights pure processing throughput differences between the CPUs.

Note: Real-world results may vary based on your actual GPU. CPU performance impact is more visible in processing-intensive titles and high-refresh-rate gaming scenarios.

Core i7-7660U Benchmark Check

FX-8100 Benchmark Check

Check FPS for your specific build

Technical Specifications

Side-by-side comparison of Core i7-7660U and FX-8100

Core i7-7660U

The Core i7-7660U 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 2 cores and 4 threads. Base frequency is 2.5 GHz, with boost up to 4 GHz. L3 cache: 4 MB. L2 cache: 512 kB. Built on 14 nm process technology. Socket: BGA1356. Thermal design power (TDP): 15 Watt. Memory support: DDR4. Passmark benchmark score: 4,059 points. Launch price was $415.

FX-8100

The FX-8100 is manufactured by AMD. It was released in 12 October 2011 (14 years ago). It is based on the Zambezi (2011−2012) architecture. It features 8 cores and 8 threads. Base frequency is 2.8 GHz, with boost up to 3.7 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: 4,095 points. Launch price was $69.

⚡

Processing Power

The Core i7-7660U packs 2 cores / 4 threads, while the FX-8100 offers 8 cores / 8 threads — the FX-8100 has 6 more cores. Boost clocks reach 4 GHz on the Core i7-7660U versus 3.7 GHz on the FX-8100 — a 7.8% clock advantage for the Core i7-7660U (base: 2.5 GHz vs 2.8 GHz). The Core i7-7660U uses the Kaby Lake (2016−2019) architecture (14 nm), while the FX-8100 uses Zambezi (2011−2012) (32 nm). In PassMark, the Core i7-7660U scores 4,059 against the FX-8100's 4,095 — a 0.9% lead for the FX-8100. Geekbench 6 single-core — the metric most relevant to gaming — records 1,150 vs 455, a 86.6% lead for the Core i7-7660U that directly translates to higher frame rates. Multi-core Geekbench: 2,285 vs 1,621 (34% advantage for the Core i7-7660U). L3 cache: 4 MB on the Core i7-7660U vs 8 MB (total) on the FX-8100.

Feature	Core i7-7660U	FX-8100
Cores / Threads	2 / 4	8 / 8+300%
Boost Clock	4 GHz+8%	3.7 GHz
Base Clock	2.5 GHz	2.8 GHz+12%
L3 Cache	4 MB	8 MB (total)+100%
L2 Cache	512 kB	8 MB+1500%
Process	14 nm-56%	32 nm
Architecture	Kaby Lake (2016−2019)	Zambezi (2011−2012)
PassMark	4,059	4,095
Cinebench R23 Multi	1,759	—
Geekbench 6 Single	1,150+153%	455
Geekbench 6 Multi	2,285+41%	1,621

🧠

Memory & Platform

The Core i7-7660U uses the BGA1356 socket (PCIe 3.0), while the FX-8100 uses AM3+ (PCIe 2.0) — making them incompatible on the same motherboard. Maximum memory speed reaches DDR4-2133 on the Core i7-7660U versus DDR3-1866 on the FX-8100 — the Core i7-7660U supports 28.6% faster memory, which can translate to measurable gains in memory-sensitive workloads. The Core i7-7660U supports up to 32 GB of RAM compared to 16 GB — 66.7% more capacity for professional workloads. Both feature 2-channel memory with ECC support. PCIe lanes: 12 (Core i7-7660U) vs 0 (FX-8100) — the Core i7-7660U offers 12 more lanes for additional GPUs or NVMe drives. Chipset compatibility: SoC (Core i7-7660U) and AMD 990FX,AMD 970 (FX-8100).

Feature	Core i7-7660U	FX-8100
Socket	BGA1356	AM3+
PCIe Generation	PCIe 3.0+50%	PCIe 2.0
Max RAM Speed	DDR4-2133+33%	DDR3-1866
Max RAM Capacity	32 GB+100%	16 GB
RAM Channels	2	2
ECC Support	❌	❌
PCIe Lanes	12	0

🔧

Advanced Features

Only the FX-8100 has an unlocked multiplier for overclocking — a significant advantage for enthusiasts seeking extra performance. Virtualization support: VT-x, VT-d (Core i7-7660U) vs AMD-V (FX-8100). The Core i7-7660U includes integrated graphics (Iris Plus 640), while the FX-8100 requires a dedicated GPU. Primary use case: Core i7-7660U targets Productivity. Direct competitor: Core i7-7660U rivals Core i5-8250U.