Pentium G640T

Details and Benchmarks for Intel Pentium G640T

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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 Pentium G640T based on all benchmark results gathered. Look at this like a meta score, you will find more specific workload ratings below.

4,274 Rank: 1557
Rank Name Score Visual
1553 A8-3850 4,277
+0.1%
1554 Core i5-540M 4,276
+0%
1555 Phenom II X4 B95 4,276
+0%
1556 A10-5757M 4,275
+0%
1557 Pentium G640T 4,274
1558 Core i3-2100T 4,274
+0%
1559 Atom C3955 4,273
+-0%
1560 Xeon E3110 4,272
+-0%
1561 Core 2 Duo T7250 4,271
-0.1%
1562 Phenom II X3 B75 4,270
-0.1%

View full ranking →

Multicore Score

Multicore performance score for Pentium G640T based on multi-threaded benchmark results.

4,333 Rank: 1637
Rank Name Score Visual
1633 A10-5745M 4,333
+0%
1634 A10-4655M 4,333
+0%
1635 A4-7210 4,333
+0%
1636 Pentium J2900 4,333
+0%
1637 Pentium G640T 4,333
1638 Phenom X4 9850 4,333
+0%
1639 Pentium G2020T 4,333
+0%
1640 Celeron J4005 4,332
+-0%
1641 Core M-5Y10a 4,332
+-0%
1642 A6-3410MX 4,332
+-0%

View full ranking →

Singlecore Score

Single-core performance score for Pentium G640T based on single-threaded benchmark results.

4,235 Rank: 1545
Rank Name Score Visual
1541 Xeon Bronze 3104 4,238
+0.1%
1542 Pentium Silver J5005 4,238
+0.1%
1543 Xeon E5462 4,238
+0.1%
1544 Phenom II X4 B97 4,236
+0%
1545 Pentium G640T 4,235
1546 Xeon E5-2609 v4 4,233
+-0%
1547 Pentium G6950 4,233
+-0%
1548 Phenom II X4 940 4,232
-0.1%
1549 Core 2 Duo E8300 4,227
-0.2%
1550 Core i3-2100T 4,227
-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 Pentium G640T based on integer math, floating point math, and prime number computation benchmarks.

4,500 Rank: 1535
Rank Name Score Visual
1531 Celeron G550 4,500
+0%
1532 Athlon II X3 425 4,500
+0%
1533 Core i5-4210Y 4,500
+0%
1534 A8-3520M 4,500
+0%
1535 Pentium G640T 4,500
1536 Core i3-370M 4,500
+0%
1537 Celeron 3865U 4,499
+-0%
1538 Phenom II X2 555 4,499
+-0%
1539 A6-5350M 4,499
+-0%
1540 Athlon 5150 4,499
+-0%

View full ranking →

Data Processing

Aggregated score for Pentium G640T based on data encryption, data compression, and string sorting benchmarks.

4,464 Rank: 1578
Rank Name Score Visual
1574 A4-5300 4,464
+0%
1575 Athlon II X2 220 4,464
+0%
1576 Pentium E6300 4,464
+0%
1577 Pentium E5500 4,464
+0%
1578 Pentium G640T 4,464
1579 Core i3-350M 4,464
+0%
1580 Celeron 3955U 4,463
+-0%
1581 Core i5-2537M 4,463
+-0%
1582 Celeron G530 4,463
+-0%
1583 Athlon II X2 240 4,463
+-0%

View full ranking →

Physics & Compute

Aggregated score for Pentium G640T based on physics simulation and extended instruction set (SSE/AVX) benchmarks.

4,485 Rank: 1506
Rank Name Score Visual
1502 A6-3500 4,486
+0%
1503 Core i3-2375M 4,485
+0%
1504 Phenom II X2 565 4,485
+0%
1505 Pentium 4410Y 4,485
+0%
1506 Pentium G640T 4,485
1507 Core i5-430M 4,485
+0%
1508 Celeron 3865U 4,484
+-0%
1509 Celeron G540 4,484
+-0%
1510 A6-9500E 4,484
+-0%
1511 Celeron 2950M 4,484
+-0%

View full ranking →

Pentium G640T Details

The Intel Pentium G640T, launched in June 2012, stands as a budget-oriented desktop processor from Intel's Sandy Bridge era. While it was positioned as a cost-effective option for basic computing tasks, its performance today places it far behind modern processors. With a 2.4 GHz base clock and a 35 W TDP, the G640T is built on a 32 nm process and features 2 cores, 2 threads, and a 3 MB L3 cache. It uses the Socket 1155 platform and supports DDR3 memory via a dual-channel interface. Despite its age, the processor includes modern instruction sets such as AVX, SSE4.1, and SSE4.2, along with AES-NI encryption and virtualization support, which were notable at the time of release.

In terms of benchmarks, the G640T achieves an Overall Score of 4274, ranking #1557 out of 2060 CPUs, a Singlecore Score of 4235 (#1545), and a Multicore Score of 4333 (#1633). These results indicate that while the processor performs decently in single-threaded tasks—outperforming some low-power Atom and Celeron variants—it falls short in multi-threaded workloads, where it is outpaced by nearly every modern CPU. Its multicore performance is particularly weak compared to the top-tier processors listed in the top 50, which include high-end Ryzen Threadripper and Core i9 models scoring over 8,000.

The G640T’s integrated Intel HD Graphics (Sandy Bridge) provides basic visual output, supporting up to two displays, but it lacks the power for gaming or video editing. Its lack of simultaneous multithreading and locked clock multiplier limits overclocking potential, making it less appealing for enthusiasts. Given that this processor is over a decade old, it is no longer suitable for demanding applications, though it may still function in light office use or as a secondary system.

As of March 2026, the Pentium G640T is best suited for legacy systems or users requiring minimal processing power at low cost. While it was once a practical choice for entry-level desktops, it now serves as a reminder of how far CPU performance has advanced, with modern alternatives offering vastly superior efficiency, performance, and feature sets.
Frequently Compared

Intel Xeon D-1541 27 views

AMD Phenom 9750 25 views

AMD A4-6300 25 views

AMD Phenom II X2 555 24 views

AMD Ryzen 5 3600 22 views

AMD Phenom 9650 22 views

AMD A10-7400P 21 views

AMD Ryzen 5 3500X 21 views

Intel Core i7-4720HQ 20 views

Intel Xeon E5-2673 v4 17 views

Intel Pentium G640T

Main Specifications

Designer: Intel
Name: Pentium G640T
Cores: 2
Threads: 2
Base Frequency: 2400 MHz
Clock Multiplier: 24x (locked)
Core Name: Sandy Bridge
Socket: Socket 1155
Package: FC-LGA10
Target Segment: Desktop
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

Physical Specifications

Process: 32 nm
Die Area: 131 mm²
Transistor Count: 0.00 billion
Manufacturer: Intel

CPU Features

MMX EMMX SSE SSE2 SSE3 SSSE3 SSE4.1 SSE4.2 AVX AVX2 ABM BMI1 BMI2 FMA3 AES RdRand ADX CLMUL F16C x86-16 x86-32 x86-64 Real Protected SMM FPU NX EIST VT-x SSE4a SHA AMD-Vi AMD-V SenseMI SMT
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