INTEL

Intel Core i3-2105

Intel processor specifications and benchmark scores

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

Intel Core i3-2105 Specifications

⚙️

Core i3-2105 Core Configuration

Processing cores and threading

The Intel Core i3-2105 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
⏱️

i3-2105 Clock Speeds

Base and boost frequencies

Clock speed is a critical factor in Core i3-2105 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 i3-2105 by Intel can dynamically adjust its frequency based on workload and thermal headroom.

Base Clock
3.1 GHz
Boost Clock
N/A
Multiplier
31x
💾

Intel's Core i3-2105 Cache Hierarchy

L1, L2, L3 cache sizes

Cache memory is ultra-fast storage built directly into the i3-2105 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 i3-2105'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 i3-2105 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 i3-2105 incorporate advanced branch prediction and out-of-order execution for optimal performance.

Architecture
Sandy Bridge
Codename
Sandy Bridge
Process Node
32 nm
Foundry
Intel
Generation
Core i3 (Sandy Bridge)
🔢

Sandy Bridge Instruction Set Features

Supported CPU instructions and extensions

The Core i3-2105 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
🔌

i3-2105 Power & Thermal

TDP and power specifications

The Intel Core i3-2105 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 i3-2105 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 i3-2105 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 i3-2105 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 i3-2105 Integrated Graphics

Built-in GPU specifications

The Intel Core i3-2105 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 i3-2105 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 3000
Graphics Model
Intel HD 3000
📦

Core i3-2105 Product Information

Release and pricing details

The Intel Core i3-2105 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 i3-2105 by Intel offers a specific balance of performance, features, and cost within Intel's product lineup.

Manufacturer
Intel
Release Date
May 2011
Launch Price
$138
Market
Desktop
Status
End-of-life
Part Number
SR0BA
Bundled Cooler
E97379-001

Core i3-2105 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 i3-2105 performs in parallel rendering workloads.

cinebench_cinebench_r15_multicore #1629 of 1788
157
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 i3-2105. 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 #1630 of 1788
655
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 i3-2105. 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 #1625 of 1784
92
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 i3-2105 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 #1630 of 1788
1,561
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 i3-2105 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 #1629 of 1788
220
1%
Max: 20,979
Compare with other CPUs

About Intel Core i3-2105

The Intel Core i3-2105 chip, part of the Sandy Bridge generation, stands out as a reliable choice for users seeking balanced day-to-day computing. Powered by two physical cores and four threads thanks to Hyper-Threading technology, the i3-2105 operates at a steady base clock of 3.10 GHz without any Turbo Boost, delivering predictable performance for everyday tasks like web browsing, document editing, and media playback. Its 32 nm process and 65W TDP make it an efficient option for small form factor builds or systems where power consumption is a concern. In terms of benchmark results, the Intel Core i3-2105 processor shows respectable single-core and multi-core performances, scoring 220 points in Cinebench R23 single-core and 1,561 points in Cinebench R23 multi-core, indicating it can handle light to moderate productivity workloads without breaking a sweat. Overall, the i3-2105 remains a cost-effective solution for those who want reliable computing without investing in more expensive, high-end silicon.

When it comes to productivity benchmarks, the Intel Core i3-2105 CPU holds up well against its peers within the Core i3 family and similar-era offerings. Results from Cinebench R20 show 92 points in single-core tests and 655 points in multi-core, while Cinebench R15 scores a solid 157 points in multi-core testing, demonstrating that the i3-2105 from Intel is more than capable of managing everyday office applications, streaming, and multitasking scenarios. Cost effectiveness is another highlight of this chip; priced at $138 at launch, the i3-2105 provided competitive performance for its segment, especially when paired with Intel's Socket 1155 platform, which supports a range of affordable motherboards and memory configurations. For users building or upgrading a system around this chip, the platform requirements are straightforward, requiring only a compatible LGA 1155 motherboard and DDR3 RAM, making it easy to assemble a budget-friendly machine that still delivers surprising levels of performance. Whether you're a student, home office user, or simply someone looking for a dependable processor, the Intel Core i3-2105 continues to be a worthy contender nearly a decade after its release.

The AMD Equivalent of Core i3-2105

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

View Specs Compare

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