Core i3-2120T

Details and Benchmarks for Intel Core i3-2120T

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 Core i3-2120T based on all benchmark results gathered. Look at this like a meta score, you will find more specific workload ratings below.

4,427 Rank: 1363
Rank Name Score Visual
1359 Core i5-2390T 4,431
+0.1%
1360 Athlon X4 840 4,431
+0.1%
1361 Pentium 4415U 4,430
+0.1%
1362 Phenom II X4 B55 4,428
+0%
1363 Core i3-2120T 4,427
1364 A10 PRO-7800B 4,426
+-0%
1365 FX-8800P 4,424
-0.1%
1366 Core i5-2515E 4,423
-0.1%
1367 A10-7700K 4,423
-0.1%
1368 A9-9430 4,423
-0.1%

View full ranking →

Multicore Score

Multicore performance score for Core i3-2120T based on multi-threaded benchmark results.

4,401 Rank: 1451
Rank Name Score Visual
1447 Pentium G3450T 4,402
+0%
1448 Core i5-2435M 4,401
+0%
1449 Core i7-3540M 4,401
+0%
1450 Core i5-5200U 4,401
+0%
1451 Core i3-2120T 4,401
1452 Core i5-670 4,401
+0%
1453 Intel Core i5-460M 4,400
+-0%
1454 Celeron N2840 4,400
+-0%
1455 Phenom II X3 B73 4,400
+-0%
1456 A8-3870 4,399
+-0%

View full ranking →

Singlecore Score

Single-core performance score for Core i3-2120T based on single-threaded benchmark results.

4,444 Rank: 1347
Rank Name Score Visual
1343 Celeron G1620 4,448
+0.1%
1344 Xeon X5560 4,447
+0.1%
1345 Phenom II X4 B50 4,447
+0.1%
1346 Xeon X3450 4,444
+0%
1347 Core i3-2120T 4,444
1348 A10-7860K 4,439
-0.1%
1349 Pentium 4415U 4,439
-0.1%
1350 Core i7-2677M 4,435
-0.2%
1351 Xeon X3440 4,435
-0.2%
1352 Phenom II X4 955 4,435
-0.2%

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 i3-2120T based on integer math, floating point math, and prime number computation benchmarks.

4,516 Rank: 1411
Rank Name Score Visual
1407 Celeron J3455 4,517
+0%
1408 Celeron G1620 4,517
+0%
1409 A8-6410 4,517
+0%
1410 Core i5-2430M 4,516
+0%
1411 Core i3-2120T 4,516
1412 Core i5-4250U 4,516
+0%
1413 Core M-5Y51 4,516
+0%
1414 A6-7310 4,516
+0%
1415 A8-7100 4,516
+0%
1416 Core i7-620M 4,516
+0%

View full ranking →

Data Processing

Aggregated score for Core i3-2120T based on data encryption, data compression, and string sorting benchmarks.

4,492 Rank: 1378
Rank Name Score Visual
1374 Pentium 4405U 4,493
+0%
1375 Athlon II X3 425 4,493
+0%
1376 Core M3-7Y30 4,492
+0%
1377 Celeron G4900T 4,492
+0%
1378 Core i3-2120T 4,492
1379 Core i3-3120M 4,492
+0%
1380 A10-5750M 4,492
+0%
1381 Phenom II X3 710 4,492
+0%
1382 Core i7-620M 4,492
+0%
1383 Core i5-580M 4,492
+0%

View full ranking →

Physics & Compute

Aggregated score for Core i3-2120T based on physics simulation and extended instruction set (SSE/AVX) benchmarks.

4,521 Rank: 1258
Rank Name Score Visual
1254 Core i5-2450M 4,521
+0%
1255 Pentium G3450 4,521
+0%
1256 Pentium G3440 4,521
+0%
1257 Phenom II X4 B65 4,521
+0%
1258 Core i3-2120T 4,521
1259 Core i7-3517U 4,521
+0%
1260 Core i5-3437U 4,521
+0%
1261 Core i5-3337U 4,521
+0%
1262 Core i7-3689Y 4,521
+0%
1263 Pentium G4400T 4,520
+-0%

View full ranking →

Core i3-2120T Details

As of March 2026, the Intel Core i3-2120T remains a relic of the early 2010s, a processor that was launched in September 2011 as part of Intel’s Sandy Bridge lineup. While it may no longer be relevant for modern computing demands, its historical significance lies in its role as a mainstream, energy-efficient dual-core solution with integrated graphics and Hyper-Threading support. Positioned in the desktop market segment, the i3-2120T was designed for budget-conscious users and light productivity workloads, offering a balance of performance and low power consumption at a time when integrated graphics were becoming more capable. Its 35 W TDP and FCLGA1155 socket made it a popular choice for compact systems and office environments where efficiency was prioritized over raw power.

Built on a 32 nm process and featuring the Sandy Bridge microarchitecture, the Core i3-2120T delivers a base clock of 2.6 GHz with a turbo frequency of 2.7 GHz. It includes two physical cores that leverage Intel Hyper-Threading to handle four threads simultaneously, enhancing multitasking performance. The processor is equipped with 3 MB of L3 cache and supports dual-channel DDR3 memory up to 1333 MT/s, with a maximum capacity of 32 GB. Connectivity is provided via PCIe 2.0, with up to 16 lanes available directly from the CPU, and it supports Intel’s integrated HD Graphics 2000, which runs at 650 MHz and can burst to 1100 MHz under load. This GPU enables basic multimedia playback and light gaming, though it lacks modern features like DirectX 12 support.

In terms of features, the i3-2120T includes a broad set of instruction sets, including AVX, SSE4.1, SSE4.2, AES-NI, and virtualization technologies such as VT-x and VT-d. These capabilities, along with support for Intel vPro and EIST, make it suitable for virtualization and enterprise environments, although its performance in such scenarios is now limited by modern standards. Despite being a decade-old design, the processor's locked multiplier and lack of overclocking potential reflect Intel's strategy at the time to differentiate between mainstream and enthusiast markets.

Benchmark data reveals that the Core i3-2120T scores 4427 overall, placing it at #1363 out of 2060 processors in the Passmark rankings. Its single-core performance of 4444 ranks it #1346, while its multicore score of 4401 lands it at #1448. These results indicate that the i3-2120T is outpaced by nearly all modern CPUs, even budget and mid-range offerings. Among its peers, it compares closely with processors like the Celeron J4125 and the Core i5-460M, but it falls behind most contemporary Intel and AMD chips in every category. Its single-core performance is slightly better than some newer low-power processors, but its multicore performance is significantly weaker, highlighting the steep performance gap created by advances in core count, frequency, and architecture over the past decade.

In conclusion, the Intel Core i3-2120T is best suited for legacy systems, light office use, or as a replacement in older desktops where power efficiency and basic functionality are more important than performance. It is not competitive in any modern computing scenario, especially when compared to today’s top-tier processors, which exceed its overall score by a factor of twenty. For users seeking a capable system in 2026, this processor represents a historical footnote rather than a viable option.
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Intel Core i3-2120T

Main Specifications

Designer: Intel
Name: Core i3-2120T
Model Number: i3-2120T
Cores: 2
Threads: 4
Base Frequency: 2600 MHz
Clock Multiplier: 26x (locked)
Core Name: Sandy Bridge
Socket: FCLGA1155
Package: FC-LGA10
Target Segment: Desktop
Max CPUs: 1
TDP: 35 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 or 2x8 or 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 SSSE3 SSE4.1 SSE4.2 AVX AVX2 AES x86-64 HT EIST TXT vPro VT-x VT-d EPT Secure Key SMEP SIPP IPT TSX Flex Memory FMA
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