Core i7-2840QM vs FX-6120

Performance Spectrum - CPU

Core i7-2840QM

4 / 8

3,842

0.0%

3,853

+0.3%

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 i7-2840QM is positioned at rank 311 and the FX-6120 is on rank 787, so the Core i7-2840QM 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 i7-2840QM

#299

Atom x5-Z8300

MSRP: $20|Avg: N/A

458%

#300

Atom Z3735G

MSRP: $17|Avg: N/A

452%

#301

Core i5-480M

MSRP: $81|Avg: $77

414%

#302

Core i5-460M

MSRP: $80|Avg: $129

413%

#303

Core i5-2540M

MSRP: $266|Avg: $10

409%

#305

Core i5-450M

MSRP: $32|Avg: $31

395%

#306

Core i3-380M

MSRP: $49|Avg: $25

379%

#307

Core i5-430M

MSRP: N/A|Avg: $33

378%

#308

Core 2 Duo T6600

MSRP: N/A|Avg: $4

368%

#311

Core i7-2840QM

MSRP: N/A|Avg: N/A

100%

Based on actual market prices and performance synthetic scores.

Performance Per Dollar FX-6120

#1

Ryzen 9 7950X

MSRP: $194|Avg: $20

15213%

#2

Core i9-10900T

MSRP: $120|Avg: $5

14375%

#3

Ryzen 3 PRO 4355GE

MSRP: $423|Avg: $5

10437%

#4

Ryzen Threadripper 3960X

MSRP: $1399|Avg: $85

3144%

#5

Ryzen 9 9950X

MSRP: $649|Avg: $129

2491%

#6

Ryzen 5 8400F

MSRP: $303|Avg: $55

2179%

#7

Ryzen 7 PRO 2700

MSRP: $299|Avg: $60

1248%

#8

Ryzen 5 2600X

MSRP: $229|Avg: $55

1232%

#9

Ryzen 3 PRO 5350G

MSRP: $150|Avg: $60

1121%

#10

Core Ultra 5 245KF

MSRP: $294|Avg: $189

1121%

#11

Ryzen 5 5500

MSRP: $159|Avg: $85

1109%

#12

Ryzen 5 3600

MSRP: $199|Avg: $80

1079%

#13

Core i3-9100E

MSRP: $202|Avg: $30

1064%

#14

Core Ultra 5 245K

MSRP: $319|Avg: $200

1059%

#15

Core i3-8300T

MSRP: $138|Avg: $25

1050%

#294

Core i9-7920X

MSRP: $1199|Avg: $236

96%

#393

Core i3-9300T

MSRP: $309|Avg: $309

100%

#394

Ryzen 3 2200GE

MSRP: $300|Avg: $300

97%

#787

FX-6120

MSRP: $188|Avg: $54

100%

#788

Core i7-6700TE

MSRP: $303|Avg: $175

100%

#790

Athlon II X4 620

MSRP: $99|Avg: $15

100%

#791

Core i7-3820

MSRP: $286|Avg: $30

99%

#792

Athlon II X3 425

MSRP: $79|Avg: $5

99%

#793

Athlon II X2 255

MSRP: $60|Avg: $10

98%

#794

Core i3-3245

MSRP: $120|Avg: $50

98%

#796

FX-4170

MSRP: $157|Avg: $23

97%

#798

Athlon II X3 415e

MSRP: $75|Avg: $15

96%

#799

Core i5-2300

MSRP: $177|Avg: $17

96%

#800

Core i7-4820K

MSRP: $332|Avg: $40

96%

#802

Core i7-3770K

MSRP: $332|Avg: $75

95%

Based on actual market prices and performance synthetic scores.

Performance Comparison

About PassMark

🏆 Chipversus Verdict

🚀 Performance Leadership

Performance Leadership: The FX-6120 delivers superior performance across the board. It outperforms the Core i7-2840QM in both compute-intensive tasks (0.3% faster) and gaming workloads.

Insight	Core i7-2840QM	FX-6120
Gaming	❌ Lower gaming performance	✅ Superior gaming performance
Workstation	❌ Weaker in multi-core tasks	✅ Better multi-core power
Price	✅ More affordable ($0)	⚠️ Higher cost ($54)
Longevity	🛑 Legacy (Sandy Bridge (2011−2013) / 32 nm)	🛑 Legacy (Zambezi (2011−2012) / 32 nm)

💎 Value Proposition

Insight	Core i7-2840QM	FX-6120
Cost Efficiency	❌ Lower cost efficiency	❌ Lower cost efficiency
Upfront Cost	✅ More affordable ($0)	⚠️ Higher cost ($54)

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 i7-2840QM Benchmark Check

FX-6120 Benchmark Check

Technical Specifications

Side-by-side comparison of Core i7-2840QM and FX-6120

Core i7-2840QM

The Core i7-2840QM is manufactured by Intel. It was released in 4 September 2011 (14 years ago). It is based on the Sandy Bridge (2011−2013) architecture. It features 4 cores and 8 threads. Max frequency: 2.4 GHz. L3 cache: 8 MB. L2 cache: 1 MB. Built on 32 nm process technology. Socket: G2. Thermal design power (TDP): 45 Watt. Passmark benchmark score: 3,842 points. Launch price was $69.

FX-6120

The FX-6120 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 6 cores and 6 threads. Base frequency is 3.6 GHz, with boost up to 4.2 GHz. L3 cache: 8 MB (total). L2 cache: 6 MB. Built on 32 nm process technology. Socket: AM3+. Thermal design power (TDP): 95 Watt. Memory support: DDR3. Passmark benchmark score: 3,853 points. Launch price was $69.

⚡

Processing Power

The Core i7-2840QM packs 4 cores / 8 threads, while the FX-6120 offers 6 cores / 6 threads — the FX-6120 has 2 more cores. Boost clocks reach 2.4 GHz on the Core i7-2840QM versus 4.2 GHz on the FX-6120 — a 54.5% clock advantage for the FX-6120. The Core i7-2840QM uses the Sandy Bridge (2011−2013) architecture (32 nm), while the FX-6120 uses Zambezi (2011−2012) (32 nm). In PassMark, the Core i7-2840QM scores 3,842 against the FX-6120's 3,853 — a 0.3% lead for the FX-6120. L3 cache: 8 MB on the Core i7-2840QM vs 8 MB (total) on the FX-6120.

Feature	Core i7-2840QM	FX-6120
Cores / Threads	4 / 8	6 / 6+50%
Boost Clock	2.4 GHz	4.2 GHz+75%
Base Clock	—	3.6 GHz
L3 Cache	8 MB	8 MB (total)
L2 Cache	1 MB	6 MB+500%
Process	32 nm	32 nm
Architecture	Sandy Bridge (2011−2013)	Zambezi (2011−2012)
PassMark	3,842	3,853