Turion II Ultra M660
VS
Core i7-4550U

Turion II Ultra M660 vs Core i7-4550U

AMD

Turion II Ultra M660

2 Cores2 Thrd2 WWMax: 2.7 GHz2009
VS
Intel

Core i7-4550U

2 Cores4 Thrd512 WWMax: 3 GHz2013

Performance Spectrum - CPU

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 Turion II Ultra M660 is positioned at rank 220 and the Core i7-4550U is on rank 145, so the Core i7-4550U 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 Turion II Ultra M660

#57
Ryzen AI 9 365
MSRP: $400|Avg: $400
99%
#208
Atom x5-Z8300
MSRP: $20|Avg: N/A
386%
#209
Atom Z3735G
MSRP: $17|Avg: N/A
381%
#210
Core i5-480M
MSRP: $81|Avg: $77
350%
#211
Core i5-460M
MSRP: $80|Avg: $129
348%
#212
Core i5-2540M
MSRP: $266|Avg: $10
345%
#214
Core i5-450M
MSRP: $32|Avg: $31
333%
#215
Core i3-380M
MSRP: $49|Avg: $25
319%
#216
Core i5-430M
MSRP: N/A|Avg: $33
319%
#217
Core 2 Duo T6600
MSRP: N/A|Avg: $4
310%
#220
Turion II Ultra M660
MSRP: N/A|Avg: N/A
100%
Based on actual market prices and performance synthetic scores.

Performance Per Dollar Core i7-4550U

#42
Ryzen 9 9955HX3D
MSRP: $749|Avg: N/A
95%
#133
Atom x5-Z8300
MSRP: $20|Avg: N/A
318%
#134
Atom Z3735G
MSRP: $17|Avg: N/A
313%
#135
Core i5-480M
MSRP: $81|Avg: $77
288%
#136
Core i5-460M
MSRP: $80|Avg: $129
286%
#137
Core i5-2540M
MSRP: $266|Avg: $10
284%
#139
Core i5-450M
MSRP: $32|Avg: $31
274%
#140
Core i3-380M
MSRP: $49|Avg: $25
263%
#141
Core i5-430M
MSRP: N/A|Avg: $33
262%
#142
Core 2 Duo T6600
MSRP: N/A|Avg: $4
255%
#145
Core i7-4550U
MSRP: N/A|Avg: N/A
100%
#147
Atom N2800
MSRP: $47|Avg: $3
99%
#158
Core i5-3210M
MSRP: $225|Avg: $30
96%
Based on actual market prices and performance synthetic scores.

Performance Comparison

About PassMark

🏆 Chipversus Verdict

🚀 Performance Leadership

Performance Leadership: The Core i7-4550U delivers superior performance across the board. It outperforms the Turion II Ultra M660 in both compute-intensive tasks (1.3% faster) and gaming workloads.
InsightTurion II Ultra M660Core i7-4550U
Gaming
Lower gaming performance
Superior gaming performance
Workstation
Weaker in multi-core tasks
Better multi-core power
Price
Equivalent pricing
Equivalent pricing
Longevity
🛑 Legacy (Caspian (2009) / 45 nm)
🛑 Legacy (Haswell-ULT (2013) / 22 nm)

💎 Value Proposition

InsightTurion II Ultra M660Core i7-4550U
Cost Efficiency
Lower cost efficiency
Lower cost efficiency
Upfront Cost
Equivalent pricing
Equivalent pricing

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.

Technical Specifications

Side-by-side comparison of Turion II Ultra M660 and Core i7-4550U

AMD

Turion II Ultra M660

The Turion II Ultra M660 is manufactured by AMD. It was released in 2007-01-01. It is based on the Caspian (2009) architecture. It features 2 cores and 2 threads. Max frequency: 2.7 GHz. L2 cache: 2 MB. Built on 45 nm process technology. Socket: S1g3. Thermal design power (TDP): 2 MB. Memory support: DDR2. Passmark benchmark score: 2,278 points. Launch price was $69.

Intel

Core i7-4550U

The Core i7-4550U is manufactured by Intel. It was released in 4 June 2013 (12 years ago). It is based on the Haswell-ULT (2013) architecture. It features 2 cores and 4 threads. Base frequency is 1.5 GHz, with boost up to 3 GHz. L3 cache: 4 MB (total). L2 cache: 256K (per core). Built on 22 nm process technology. Socket: FCBGA1168. Thermal design power (TDP): 15 Watt. Memory support: DDR3. Passmark benchmark score: 2,307 points. Launch price was $69.

Processing Power

The Turion II Ultra M660 packs 2 cores / 2 threads, matching the Core i7-4550U's 2 cores. Boost clocks reach 2.7 GHz on the Turion II Ultra M660 versus 3 GHz on the Core i7-4550U — a 10.5% clock advantage for the Core i7-4550U. The Turion II Ultra M660 uses the Caspian (2009) architecture (45 nm), while the Core i7-4550U uses Haswell-ULT (2013) (22 nm). In PassMark, the Turion II Ultra M660 scores 2,278 against the Core i7-4550U's 2,307 — a 1.3% lead for the Core i7-4550U.

FeatureTurion II Ultra M660Core i7-4550U
Cores / Threads
2 / 2
2 / 4
Boost Clock
2.7 GHz
3 GHz+11%
Base Clock
1.5 GHz
L3 Cache
4 MB (total)
L2 Cache
2 MB+700%
256K (per core)
Process
45 nm
22 nm-51%
Architecture
Caspian (2009)
Haswell-ULT (2013)
PassMark
2,278
2,307+1%
🧠

Memory & Platform

The Turion II Ultra M660 uses the S1g3 socket (PCIe 2.0), while the Core i7-4550U uses FCBGA1168 (PCIe 3.0) — making them incompatible on the same motherboard.

FeatureTurion II Ultra M660Core i7-4550U
Socket
S1g3
FCBGA1168
PCIe Generation
PCIe 2.0
PCIe 3.0+50%
Max RAM Speed
DDR2-800
Max RAM Capacity
8 GB
RAM Channels
2
ECC Support
PCIe Lanes
0
🔧

Advanced Features

Virtualization: AMD-V (Turion II Ultra M660) / not specified (Core i7-4550U). Primary use case: Turion II Ultra M660 targets Mobile.

FeatureTurion II Ultra M660Core i7-4550U
Integrated GPU
No
Unlocked
No
AVX-512
No
Virtualization
AMD-V
Target Use
Mobile