Core i3-2100

Details and Benchmarks for Intel Core i3-2100

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Benchmark Results

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

Overall Score

Overall score for Core i3-2100 based on all benchmark results gathered. Look at this like a meta score, you will find more specific workload ratings below.

4,483 Rank: 1302
Rank Name Score Visual
1298 Celeron G1630 4,486
+0.1%
1299 PRO A10-9700E 4,486
+0.1%
1300 Core i7-920 4,483
+0%
1301 A10-7870K 4,483
+0%
1302 Core i3-2100 4,483
1303 Xeon E3-1220L v2 4,483
+0%
1304 Core i3-3240T 4,482
+-0%
1305 Core i7-3517U 4,481
+-0%
1306 Pentium G3250T 4,481
+-0%
1307 Core i3-4000M 4,480
-0.1%

View full ranking →

Multicore Score

Multicore performance score for Core i3-2100 based on multi-threaded benchmark results.

4,362 Rank: 1546
Rank Name Score Visual
1542 Core i7-640M 4,365
+0.1%
1543 A8-5500 4,364
+0%
1544 A8-7200P 4,364
+0%
1545 Core i3-560 4,364
+0%
1546 Core i3-2100 4,362
1547 Core i3-4000M 4,362
+0%
1548 Core i7-620M 4,362
+0%
1549 Pentium Silver N5000 4,361
+-0%
1550 A10-7300 4,361
+-0%
1551 Core i5-580M 4,361
+-0%

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Singlecore Score

Single-core performance score for Core i3-2100 based on single-threaded benchmark results.

4,564 Rank: 1237
Rank Name Score Visual
1233 Xeon W5590 4,574
+0.2%
1234 Core i5-L16G7 4,573
+0.2%
1235 Celeron 4305U 4,569
+0.1%
1236 Xeon W3580 4,567
+0.1%
1237 Core i3-2100 4,564
1238 Core i7-950 4,561
-0.1%
1239 A10-6800K 4,561
-0.1%
1240 Xeon E5-2648L v4 4,560
-0.1%
1241 Core i5-2300 4,559
-0.1%
1242 Core i3-4000M 4,558
-0.1%

View full ranking →

Workload Scores

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

Number Crunching

Aggregated score for Core i3-2100 based on integer math, floating point math, and prime number computation benchmarks.

4,527 Rank: 1322
Rank Name Score Visual
1318 Phenom II X4 920 4,528
+0%
1319 Core i5-661 4,528
+0%
1320 Core M3-7Y30 4,527
+0%
1321 Core m7-6Y75 4,527
+0%
1322 Core i3-2100 4,527
1323 Phenom II X4 850 4,527
+0%
1324 Pentium G2030 4,527
+0%
1325 Core i7-3517U 4,527
+0%
1326 Phenom II X4 910e 4,527
+0%
1327 Core i7-3689Y 4,527
+0%

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Data Processing

Aggregated score for Core i3-2100 based on data encryption, data compression, and string sorting benchmarks.

4,508 Rank: 1281
Rank Name Score Visual
1277 Xeon X3220 4,509
+0%
1278 Core i5-5350U 4,509
+0%
1279 Pentium G4520 4,508
+0%
1280 Core i3-6157U 4,508
+0%
1281 Core i3-2100 4,508
1282 FX-7600P 4,508
+0%
1283 Phenom II X3 B77 4,508
+0%
1284 Core i5-8210Y 4,508
+0%
1285 Core i7-4510U 4,507
+-0%
1286 Core i3-2105 4,507
+-0%

View full ranking →

Physics & Compute

Aggregated score for Core i3-2100 based on physics simulation and extended instruction set (SSE/AVX) benchmarks.

4,532 Rank: 1209
Rank Name Score Visual
1205 Core m5-6Y57 4,533
+0%
1206 Pentium G3470 4,533
+0%
1207 A8-7650K 4,533
+0%
1208 Core i3-6006U 4,532
+0%
1209 Core i3-2100 4,532
1210 A10-7800 4,532
+0%
1211 Core i3-3220T 4,532
+0%
1212 Core i7-3667U 4,532
+0%
1213 Xeon E5606 4,532
+0%
1214 Core m3-6Y30 4,531
+-0%

View full ranking →

Core i3-2100 Details

Built on Intel's Sandy Bridge microarchitecture and manufactured on a 32 nm process, the Core i3-2100 is a legacy desktop processor launched in February 2011. As of March 2026, it is over 14 years old, placing it firmly in the category of outdated consumer hardware. Despite its age, the Core i3-2100 remains notable for its role in bringing integrated graphics and hyper-threading to mainstream entry-level desktops. Designed for the FCLGA1155 socket, this dual-core processor features Simultaneous Multithreading (SMT), allowing it to handle four threads simultaneously, and operates at a base frequency of 3.1 GHz with a turbo boost of 3.2 GHz. The chip includes 3 MB of L3 cache, 0.061 MiB of L1 cache, and 0.244 MiB of L2 cache, supporting dual-channel DDR3 memory up to 1333 MT/s with a maximum system memory capacity of 32 GB. Its 65 W TDP reflects a balanced power profile for its era, making it suitable for basic computing and light multitasking.

The integrated Intel HD Graphics 2000 GPU provides modest visual performance, capable of driving up to two displays at a maximum frequency of 1100 MHz and a base frequency of 850 MHz. While far behind modern integrated solutions, it was adequate for office work, web browsing, and standard-definition video playback in its time. The processor supports a wide range of Intel technologies, including AES-NI, AVX2, and VT-x, enabling hardware virtualization and improved encryption performance. It also features Intel's Enhanced SpeedStep Technology (EIST) for power efficiency and Secure Key for enhanced security. However, the locked multiplier limits overclocking potential, and its 32 nm process, while advanced in 2011, is now obsolete by current standards.

In benchmark testing, the Core i3-2100 scores 4483 overall, ranking #1300 out of 2060 processors, with a single-core score of 4564 (#1237) and a multicore score of 4362 (#1546). While these scores are impressive for its time, they now place it well below modern CPUs, even in entry-level segments. The single-core performance is relatively strong for its generation, outperforming several modern low-power processors like the Pentium Silver N5000 and the Core i5-580M. However, its multicore performance lags significantly behind even mid-range current offerings, with a large gap to the top performers—only 4% of the overall score of the highest-ranked Ryzen Threadripper PRO 9995WX. This indicates that the Core i3-2100's primary strength lies in single-threaded tasks, though it is severely limited in multi-threaded workloads.

Given its age and performance profile, the Core i3-2100 is no longer suitable for modern applications such as video editing, gaming, or software development. It may still function in legacy systems or as a low-cost upgrade for basic office use, but it lacks the features and performance needed for today’s computing demands. As of March 2026, it stands as a historical artifact of Intel’s transition toward more efficient, multi-threaded designs, offering a glimpse into the evolution of consumer processors over the past decade.
Frequently Compared

AMD Ryzen 7 2700E 43 views

AMD Ryzen Threadripper 2990WX 32 views

AMD Ryzen 5 PRO 3500U 31 views

Intel Xeon Silver 4110 31 views

Intel Xeon X3430 30 views

Intel Xeon Silver 4114 30 views

Intel Xeon Silver 4116T 29 views

AMD Ryzen 3 PRO 2200GE 28 views

AMD Ryzen 9 PRO 3900 26 views

AMD EPYC 7402P 24 views

Intel Core i3-2100

Main Specifications

Designer: Intel
Name: Core i3-2100
Model Number: i3-2100
Cores: 2
Threads: 4
Base Frequency: 3100 MHz
Clock Multiplier: 31x (locked)
Core Name: Sandy Bridge
Socket: FCLGA1155
Package: FC-LGA10
Target Segment: Desktop
Max CPUs: 1
TDP: 65 W

Cache Specifications

L1 Cache: 62.464 KiB
L2 Cache: 0.244 MiB
L3 Cache: 2.861 MiB

Memory Specifications

Supported Memory Type: DDR3 1066/1333
Memory Channels: 2
Maximum Memory: 0 GB
Maximum Bandwidth: 21 GB/s
ECC Support: No

PCI-Express Specifications

PCIe Revision: 2.0
PCIe Lanes: 16
PCIe Configuration: 1x16, 2x8, 1x8 2x4

Integrated Graphics

GPU: HD Graphics 2000
GPU Designer: Intel
GPU Max Frequency: 1100 MHz

Physical Specifications

Process: 32 nm
Die Area: 131 mm²
Transistor Count: 0.00 billion
Manufacturer: Intel
Word Size: 64-bit

CPU Features

MMX SSE SSE2 SSE3 SSE4.1 SSE4.2 AVX2 AES x86-64 HT EIST TXT vPro VT-x VT-d EPT Secure Key SMEP SIPP IPT TSX SMT Flex Memory FMA
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