Intel Core i7-620M

Details and Benchmarks for Intel Intel Core i7-620M

Sysbuilds Alpha Stage!

Please take all results with a big grain of salt. Sysbuilds is in alpha stage at the moment which can lead to wrong data, strange counting errors, silly results and more. This site is under active development.

Benchmark Results

Combined benchmark scores based on multiple data points, giving a quick overview of this processor's performance.

Overall Score

Overall score for Intel Core i7-620M based on all benchmark results gathered. Look at this like a meta score, you will find more specific workload ratings below.

4,318 Rank: 1497
Rank Name Score Visual
1493 Pentium G2020T 4,322
+0.1%
1494 Phenom II X4 B45 4,320
+0%
1495 Xeon E5462 4,320
+0%
1496 Phenom II N930 4,319
+0%
1497 Intel Core i7-620M 4,318
1498 Pentium E6700 4,318
+0%
1499 Phenom II X4 B97 4,318
+0%
1500 Celeron J4125 4,317
+-0%
1501 A8-3870 4,316
+-0%
1502 Xeon W3505 4,316
+-0%

View full ranking →

Multicore Score

Multicore performance score for Intel Core i7-620M based on multi-threaded benchmark results.

4,204 Rank: 2006
Rank Name Score Visual
2002 Intel Celeron N3050 4,208
+0.1%
2003 Atom N270 4,207
+0.1%
2004 Atom Z530 4,207
+0.1%
2005 Core 2 Duo T5870 4,207
+0.1%
2006 Intel Core i7-620M 4,204
2007 Core i5 M 520 4,204
+0%
2008 Pentium G6950 4,203
+-0%
2009 Core i3-5005U 4,201
-0.1%
2010 Atom Z670 4,200
-0.1%
2011 Pentium G620 4,200
-0.1%

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Singlecore Score

Single-core performance score for Intel Core i7-620M based on single-threaded benchmark results.

4,394 Rank: 1396
Rank Name Score Visual
1392 Core i7-870 4,400
+0.1%
1393 Phenom II X6 1065T 4,400
+0.1%
1394 Core i7-920 4,399
+0.1%
1395 A10-9630P 4,399
+0.1%
1396 Intel Core i7-620M 4,394
1397 A8-7650K 4,394
+0%
1398 Xeon E5440 4,394
+0%
1399 Celeron G530 4,393
+-0%
1400 Athlon II X3 460 4,392
+-0%
1401 A4-6300 4,392
+-0%

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Workload Scores

Performance scores grouped by workload type, normalized and aggregated from multiple raw benchmark results.

Number Crunching

Aggregated score for Intel Core i7-620M based on integer math, floating point math, and prime number computation benchmarks.

-- Rank: --

Number Crunching score not yet available.

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Data Processing

Aggregated score for Intel Core i7-620M based on data encryption, data compression, and string sorting benchmarks.

-- Rank: --

Data Processing score not yet available.

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Physics & Compute

Aggregated score for Intel Core i7-620M based on physics simulation and extended instruction set (SSE/AVX) benchmarks.

-- Rank: --

Physics & Compute score not yet available.

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Intel Core i7-620M Details

Ranking #1497 of 2060 in overall performance, the Intel Core i7-620M reflects a processor from an earlier era of mobile computing, released during a time when dual-core designs were still dominant in mainstream notebooks. As of March 2026, this CPU is over a decade old, placing it firmly in the category of legacy hardware. Despite its age, the i7-620M was once a flagship mobile processor in Intel's Arrandale lineup, built on the Westmere microarchitecture at a 32 nm process node. Its relevance today lies primarily in historical context and niche use cases such as retro computing, embedded systems, or educational demonstrations.

The processor features two cores and four threads, enabled by Intel's Hyper-Threading technology, allowing it to handle multithreaded workloads more efficiently than its non-SMT predecessors. It operates at a base frequency of 2.67 GHz, with a turbo boost frequency of up to 3.33 GHz when only one core is active, and 3.07 GHz under dual-core load. This dynamic clock scaling, powered by Intel Turbo Boost 1.0, helps optimize performance and power efficiency under varying workloads. The i7-620M is built on the 32 nm CMOS process and includes a 4 MiB L3 cache, 0.5 MiB of L2 cache, and 0.125 MiB of L1 cache, distributed across both cores. It supports DDR3-1066 memory at a maximum capacity of 8 GB across two channels, with a theoretical memory bandwidth of 15.88 GiB/s.

Integrated into the same package is Intel's HD Graphics (Ironlake) GPU, featuring 12 execution units and a base frequency of 500 MHz, with a burst frequency of up to 766 MHz. It supports up to two displays and includes basic graphics acceleration, sufficient for light multimedia tasks and office productivity. The chip is packaged in a BGA-1288 and rPGA-988A socket, typical of mobile platforms of its time, and operates at a TDP of 35 W, making it suitable for laptops with decent thermal management.

The i7-620M supports a wide range of modern x86-64 instructions, including SSE4.1, SSE4.2, AES-NI, and Intel VT-x and VT-d virtualization technologies. It also includes features such as Enhanced SpeedStep, Intel Flex Memory Access, and Intel Trusted Execution Technology. These capabilities made it a capable processor for its time, especially in business-oriented notebooks with Intel vPro support.

In benchmark testing, the i7-620M achieves a single-core score of 4394, placing it at #1396 in the single-core rankings, and a multicore score of 4204, ranking #2006 in multicore performance. While these scores are significantly lower than today's top-tier processors, they place it above some modern low-power and embedded CPUs like the Celeron J4125 and Pentium 2030M. The overall score of 4318 positions it near the lower end of the performance spectrum compared to current standards, where high-end processors exceed 8,000 in single-core and 10,000 in multicore scores.

In conclusion, the Intel Core i7-620M is best suited for lightweight tasks such as web browsing, document editing, and media playback in older systems. Its primary value today is as a historical reference point in the evolution of Intel's mobile processors. For modern applications requiring high performance, it is no longer competitive, but it remains a testament to the capabilities of early 2010s mobile computing architecture.
Frequently Compared

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Intel Intel Core i7-620M

Main Specifications

Designer: Intel
Name: Intel Core i7-620M
Family: Core
Series: i7-600
Model Number: i7-620M
Cores: 2
Threads: 4
Base Frequency: 2666.66 MHz
Turbo Frequency (1 core): 3333.33 MHz
Turbo Frequency (2 cores): 3066.66 MHz
Clock Multiplier: 15x (locked)
Microarchitecture: Westmere
Core Name: Arrandale
Core Family: 6
Core Model: 37
Package: rPGA-988A and BGA-1288
Chipset: Ibex
Target Segment: Mobile
Max CPUs: 1
TDP: 35 W
Release Price: $332.00

Cache Specifications

L1 Cache: 128 KiB
L1 Instruction Cache: 64 KiB (4-way set associative)
L1 Data Cache: 64 KiB (8-way set associative)
L2 Cache: 0.5 MiB (8-way set associative)
L3 Cache: 4 MiB (16-way set associative)

Memory Specifications

Supported Memory Type: DDR3-1066
Memory Channels: 2
Maximum Memory: 8 GB
Maximum Bandwidth: 15.88 GB/s
ECC Support: No

Integrated Graphics

GPU: HD
GPU Designer: Intel
GPU Max Frequency: 766 MHz
Execution Units: 12

Physical Specifications

Process: 32 nm
Die Area: 81 mm²
Transistor Count: 0.38 billion
Manufacturer: Intel
Technology: CMOS
Word Size: 64-bit
ISA: x86-64 (x86)

CPU Features

MMX EMMX SSE SSE2 SSE3 SSSE3 SSE4.1 SSE4.2 AES x86-16 x86-32 x86-64 Real Protected SMM FPU NX HT EIST TXT vPro VT-x VT-d EPT Flex Memory TBT 1.0 FMA BPT
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