INTEL

Intel Core i3-2120

Intel processor specifications and benchmark scores

2
Cores
4
Threads
GHz Boost
65W
TDP
🖥️Integrated GPU

Intel Core i3-2120 Specifications

⚙️

Core i3-2120 Core Configuration

Processing cores and threading

The Intel Core i3-2120 features 2 physical cores and 4 threads, which directly impacts multi-threaded performance in CPU benchmarks. More cores allow the processor to handle parallel workloads efficiently, improving performance in video editing, 3D rendering, and multitasking scenarios. Thread count determines how many simultaneous tasks the CPU can process, with higher thread counts benefiting productivity applications and content creation workflows.

Cores
2
Threads
4
SMP CPUs
1
⏱️

i3-2120 Clock Speeds

Base and boost frequencies

Clock speed is a critical factor in Core i3-2120 benchmark performance, measured in GHz. The base clock represents the guaranteed operating frequency, while the boost clock indicates maximum single-core performance under optimal conditions. Higher clock speeds translate to faster single-threaded performance, which is essential for gaming and applications that don't fully utilize multiple cores. The Core i3-2120 by Intel can dynamically adjust its frequency based on workload and thermal headroom.

Base Clock
3.3 GHz
Boost Clock
N/A
Multiplier
33x
💾

Intel's Core i3-2120 Cache Hierarchy

L1, L2, L3 cache sizes

Cache memory is ultra-fast storage built directly into the i3-2120 processor die. L1 cache provides the fastest access for frequently used data, while L2 and L3 caches offer progressively larger storage with slightly higher latency. Larger cache sizes significantly improve CPU benchmark scores by reducing memory access times. The Core i3-2120's cache configuration is optimized for both gaming performance and productivity workloads, minimizing data fetch delays during intensive computations.

L1 Cache
64 KB (per core)
L2 Cache
256 KB (per core)
L3 Cache
3 MB (shared)
🏗️

Sandy Bridge Architecture & Process

Manufacturing and design details

The Intel Core i3-2120 is built on Intel's 32 nm manufacturing process, which determines power efficiency and thermal characteristics. Smaller process nodes allow for more transistors in the same space, enabling higher performance per watt. The architecture defines how the processor handles instructions and manages data flow, directly impacting benchmark results across different workload types. Modern CPU architectures like the one in i3-2120 incorporate advanced branch prediction and out-of-order execution for optimal performance.

Architecture
Sandy Bridge
Codename
Sandy Bridge
Process Node
32 nm
Foundry
Intel
Transistors
504 million
Die Size
131 mm²
Generation
Core i3 (Sandy Bridge)
🔢

Sandy Bridge Instruction Set Features

Supported CPU instructions and extensions

The Core i3-2120 by Intel supports various instruction set extensions that enable optimized performance for specific workloads. SIMD instructions like SSE and AVX accelerate multimedia, scientific computing, and AI workloads by processing multiple data points simultaneously. Features like AES-NI provide hardware-accelerated encryption, while AVX-512 (if supported) enables advanced vector processing for data centers and high-performance computing. These instruction sets are critical for software compatibility and performance in modern applications.

MMX
SSE
SSE2
SSE3
SSSE3
SSE4.1
SSE4.2
AVX
AES-NI
Intel 64
VT-x
VT-d
🔌

i3-2120 Power & Thermal

TDP and power specifications

The Intel Core i3-2120 has a TDP (Thermal Design Power) of 65W, indicating the cooling solution required for sustained operation. TDP affects both system power consumption and the type of cooler needed. Lower TDP processors are ideal for compact builds and laptops, while higher TDP chips typically offer better sustained performance in demanding CPU benchmarks. Understanding power requirements helps ensure your system can deliver consistent performance without thermal throttling.

TDP
65W
🔧

Intel Socket 1155 Platform & Socket

Compatibility information

The Core i3-2120 uses the Intel Socket 1155 socket, which determines motherboard compatibility. Choosing the right platform is essential for building a system around this processor. The socket type also influences available features like PCIe lanes, memory support, and upgrade paths. When comparing CPU benchmarks, ensure you're looking at processors compatible with your existing or planned motherboard to make informed purchasing decisions.

Socket
Intel Socket 1155
Chipsets
Z77, Z75, Q77, H77, Q75, B75, Z68, P67, H67, Q67, B65, H61
PCIe
Gen 2, 16 Lanes(CPU only)
Package
FC-LGA10
DDR5

Intel Socket 1155 Memory Support

RAM compatibility and speeds

Memory support specifications for the i3-2120 define which RAM types and speeds are compatible. Faster memory can significantly improve CPU benchmark performance, especially in memory-intensive applications and gaming. The memory controller integrated into the Core i3-2120 determines maximum supported speeds and channels. Dual-channel or quad-channel memory configurations can double or quadruple memory bandwidth, providing noticeable performance gains in content creation and scientific workloads.

Memory Type
DDR3
Memory Bus
Dual-channel
Memory Bandwidth
21.3 GB/s
🖥️

Intel's Core i3-2120 Integrated Graphics

Built-in GPU specifications

The Intel Core i3-2120 includes integrated graphics, eliminating the need for a dedicated GPU in basic computing scenarios. Integrated graphics are ideal for office productivity, video playback, and light gaming. While not designed for demanding GPU benchmarks, the iGPU in the i3-2120 provides hardware video encoding and decoding capabilities. This makes the processor suitable for compact builds, HTPCs, and systems where power efficiency is prioritized over gaming performance.

iGPU
Intel HD 2000
Graphics Model
Intel HD 2000
📦

Core i3-2120 Product Information

Release and pricing details

The Intel Core i3-2120 is manufactured by Intel and represents their commitment to delivering competitive CPU performance. Understanding the release date and pricing helps contextualize benchmark comparisons with other processors from the same generation. Launch pricing provides a baseline for evaluating value, though street prices often differ. Whether you're building a new system or upgrading, the Core i3-2120 by Intel offers a specific balance of performance, features, and cost within Intel's product lineup.

Manufacturer
Intel
Release Date
Feb 2011
Launch Price
$138
Market
Desktop
Status
End-of-life
Part Number
SR05Y
Bundled Cooler
E97379-001

Core i3-2120 Benchmark Scores

cinebench_cinebench_r15_multicoreSource

Cinebench R15 multi-core renders a complex 3D scene using all CPU threads simultaneously. This test reveals how Intel Core i3-2120 performs in parallel rendering workloads.

cinebench_cinebench_r15_multicore #1593 of 1788
168
1%
Max: 14,978

cinebench_cinebench_r20_multicoreSource

Cinebench R20 multi-core uses a scene requiring 4x more computational power than R15. This test better reflects modern CPU capabilities for professional rendering on Intel Core i3-2120. The more demanding workload provides better differentiation between current-generation processors. Content creators and 3D artists use this benchmark to estimate real-world render performance.

cinebench_cinebench_r20_multicore #1592 of 1788
703
1%
Max: 62,412

cinebench_cinebench_r20_singlecoreSource

Cinebench R20 single-core tests one thread against a more demanding scene than R15. This reveals the true single-thread rendering capability of Intel Core i3-2120. The increased complexity provides more accurate performance differentiation between modern CPUs. Single-thread performance remains critical for gaming and applications with serial bottlenecks.

cinebench_cinebench_r20_singlecore #1593 of 1784
99
1%
Max: 8,811

cinebench_cinebench_r23_multicoreSource

Cinebench R23 multi-core is the current standard for CPU rendering benchmarks with a 10-minute minimum runtime. This extended test reveals sustained performance of Intel Core i3-2120 after thermal limits kick in. The longer duration exposes cooling limitations that shorter benchmarks miss. Professional users rely on R23 scores to predict real-world rendering performance under sustained workloads.

cinebench_cinebench_r23_multicore #1592 of 1788
1,676
1%
Max: 148,601
Compare with other CPUs

cinebench_cinebench_r23_singlecoreSource

Cinebench R23 single-core measures sustained single-thread performance over 10 minutes. This reveals how Intel Core i3-2120 maintains boost clocks under continuous load. The extended runtime shows whether thermal throttling affects single-core performance. This score is particularly important for understanding real-world responsiveness beyond initial boost behavior.

cinebench_cinebench_r23_singlecore #1592 of 1788
236
1%
Max: 20,979

About Intel Core i3-2120

The Intel Core i3-2120 processor, launched in February 2011, represents an entry-level dual-core CPU from Intel's Sandy Bridge generation, built on a 32 nm process. With 2 cores and 4 threads, it operates at a base clock of 3.30 GHz and features a 3 MB shared L3 cache, making it suitable for basic computing tasks. In real-world scenarios, users can expect solid performance for everyday activities like web browsing, office applications, and light multitasking, backed by Cinebench R23 multicore scores of 1,676 points. This chip handles video streaming and casual gaming without major hitches, though it may struggle with modern resource-intensive software due to its age. The 65W TDP ensures efficient power consumption, ideal for compact builds or systems with limited cooling. Overall, the i3-2120 delivers reliable performance for budget-conscious users seeking stability over raw speed.

For workstation environments, the Intel i3-2120 chip shines in light professional duties such as document editing, spreadsheet analysis, and basic graphic design. Its multicore Cinebench R20 score of 703 points indicates competent handling of parallel workloads like compiling small codebases or rendering simple 3D models. However, in demanding workstation tasks like video editing or data processing, it falls short compared to newer processors, with single-core R23 performance at 236 points limiting quick responsiveness. Businesses using legacy systems will find this Sandy Bridge processor adequate for routine administrative work, supporting up to four threads for improved efficiency over single-core predecessors. The 3 MB L3 cache aids in faster data access during repetitive operations, enhancing productivity in controlled office settings. While not suited for heavy computational workloads, it provides a cost-effective foundation for stable, long-term deployment in non-critical roles.

Cost-effectiveness is a standout attribute of the Intel Core i3-2120, with a launch price of just $138, offering excellent value for entry-level performance in its era. Benchmark data underscores its efficiency, achieving 168 points in Cinebench R15 multicore tests while maintaining a modest 65W TDP, which translates to low electricity costs over time. For small offices or home setups, this processor delivers strong returns on investment by supporting essential software without the need for upgrades soon after purchase. Compared to higher-end Sandy Bridge models, the i3-2120 provides 70-80% of the performance at a fraction of the cost, making it ideal for bulk deployments. Its longevity in supporting Windows 7 and early Windows 10 versions further amplifies savings by extending hardware lifespan. In data-driven terms, the balance of price, power efficiency, and benchmark scores positions it as a prudent choice for budget-limited IT procurements.

Motherboard support for the i3-2120 processor is centered around Intel's LGA 1155 socket, compatible with a range of chipsets from the 6-series and 7-series families. Key options include H61, B75, and Z77 motherboards, which provide varying levels of expandability for office builds. For instance:

  1. H61 chipset boards offer basic features for cost-sensitive setups with integrated graphics support.
  2. B75 motherboards add USB 3.0 and more SATA ports for enhanced connectivity in workstations.
  3. Z77 platforms enable overclocking and multi-GPU configurations, though less relevant for this locked CPU.
  4. Q77 chipsets focus on business stability with vPro technology for remote management.

These compatibilities ensure easy integration into existing Sandy Bridge ecosystems, with DDR3 memory support up to 32 GB for handling office data loads. The single-channel memory interface limits bandwidth but suffices for the processor's capabilities, as evidenced by its 99-point Cinebench R20 single-core score. Upgrading to this CPU on supported boards can refresh older systems economically, maintaining relevance in legacy environments.

The AMD Equivalent of Core i3-2120

Looking for a similar processor from AMD? The AMD Ryzen 3 PRO 1200 offers comparable performance and features in the AMD lineup.

AMD Ryzen 3 PRO 1200

AMD • 4 Cores

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