Intel Core i7-620LM

Details and Benchmarks for Intel Intel Core i7-620LM

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

4,336 Rank: 1483
Rank Name Score Visual
1479 Core i5-4300Y 4,341
+0.1%
1480 A12-9700P 4,337
+0%
1481 Core i7-860S 4,337
+0%
1482 Core i7-620M 4,337
+0%
1483 Intel Core i7-620LM 4,336
1484 A4-7300 4,333
-0.1%
1485 Athlon II X2 280 4,330
-0.1%
1486 Core i3-4030U 4,329
-0.2%
1487 A12-9720P 4,328
-0.2%
1488 Phenom 9750 4,328
-0.2%

View full ranking →

Multicore Score

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

4,371 Rank: 1531
Rank Name Score Visual
1527 A8-5500B 4,373
+0%
1528 Athlon X4 730 4,373
+0%
1529 Core i3-2328M 4,372
+0%
1530 Celeron G1620 4,372
+0%
1531 Intel Core i7-620LM 4,371
1532 Pentium G3250T 4,371
+0%
1533 Phenom II N660 4,370
+-0%
1534 Celeron G1820 4,369
+-0%
1535 Pentium 3550M 4,369
+-0%
1536 PRO A6-9500 4,369
+-0%

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Singlecore Score

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

4,312 Rank: 1476
Rank Name Score Visual
1472 Core i7-620M 4,321
+0.2%
1473 Pentium 4 3.80GHz 4,320
+0.2%
1474 Pentium G2020T 4,314
+0%
1475 Core 2 Quad Q9550 4,313
+0%
1476 Intel Core i7-620LM 4,312
1477 A8-6500B 4,311
+-0%
1478 Xeon E5530 4,309
-0.1%
1479 A6-5400K 4,309
-0.1%
1480 A6-5400B 4,309
-0.1%
1481 Core i7-930 4,308
-0.1%

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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 i7-620LM 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 i7-620LM 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 i7-620LM based on physics simulation and extended instruction set (SSE/AVX) benchmarks.

-- Rank: --

Physics & Compute score not yet available.

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Intel Core i7-620LM Details

The Intel Core i7-620LM stands out for its balanced single-core performance, achieving a Singlecore Score of 4312 and ranking #1476 among 2060 processors. While this may not place it near the top of modern performance leaders, it remains competitive within its era, particularly against other mobile processors from the early 2010s. As of March 2026, the i7-620LM is a legacy device, having been released during the transition from Core i7-600 series mobile CPUs, which were part of Intel’s Calpella platform. Despite its age, it retains relevance in certain niche scenarios due to its integrated graphics and power efficiency.

Designed for mobile devices, the i7-620LM is built on the Westmere microarchitecture at a 32 nm process node. It features two physical cores with four threads enabled via Intel’s Hyper-Threading technology, allowing it to efficiently handle multithreaded workloads. The processor operates at a base frequency of 1.999 GHz, with a maximum turbo frequency of 2.799 GHz when running on a single core, and 2.533 GHz on two cores. This turbo capability enhances performance during bursty workloads, though the relatively modest clock speeds reflect its era of design.

Cache hierarchy plays a key role in performance, with 0.125 MiB of L1 cache (split into 0.0625 MiB for instruction and data), 0.5 MiB of L2 cache, and a 4 MiB L3 cache. These sizes, while small by today’s standards, were typical for mobile processors at the time. The integrated HD Graphics (Ironlake) GPU runs at 266 MHz base frequency with a maximum of 566 MHz and includes 12 execution units, capable of driving up to two displays. This makes the chip suitable for light multimedia tasks and basic video playback without a discrete GPU.

The i7-620LM operates at a 25 W TDP, making it efficient for mobile use, and supports DDR3-1066 memory across two channels, with a maximum capacity of 8 GB. It uses a BGA-1288 package and supports Intel’s vPro technology, EIST, and VT-x, offering enterprise-level features such as remote management and virtualization. The processor also supports AES-NI, enabling hardware-accelerated encryption, which is useful for security-sensitive applications.

In benchmarking, the i7-620LM achieves an Overall Score of 4336, ranking #1483, and a Multicore Score of 4371, placing it #1531. Its performance is comparable to contemporaries like the Core i7-620M and the A8-5500B, but falls behind newer chips such as the A12-9700P and Core i5-4300Y. While its single-core performance is strong relative to its peers, its multicore and overall scores reveal it is no longer competitive in modern workloads. The processor is best suited for older systems, lightweight productivity, or as a cost-effective upgrade in legacy mobile devices.

In conclusion, the Intel Core i7-620LM remains a functional, albeit dated, mobile processor. Its strengths lie in its power efficiency and integrated graphics, making it suitable for basic computing tasks. However, its performance is significantly outpaced by modern CPUs, and it is best reserved for use cases where power consumption and cost are more critical than raw speed.
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Intel Intel Core i7-620LM

Main Specifications

Designer: Intel
Name: Intel Core i7-620LM
Family: Core
Series: i7-600
Model Number: i7-620LM
Cores: 2
Threads: 4
Base Frequency: 1999.99 MHz
Turbo Frequency (1 core): 2799.99 MHz
Turbo Frequency (2 cores): 2533.33 MHz
Clock Multiplier: 15x (locked)
Microarchitecture: Westmere
Core Name: Arrandale
Core Family: 6
Core Model: 37
Package: BGA-1288
Chipset: Ibex
Target Segment: Mobile
Max CPUs: 1
TDP: 25 W
Release Price: $300.00

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: 566 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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