Phenom II X6 1055T

Details and Benchmarks for AMD Phenom II X6 1055T

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 Phenom II X6 1055T based on all benchmark results gathered. Look at this like a meta score, you will find more specific workload ratings below.

4,462 Rank: 1322
Rank Name Score Visual
1318 Xeon E5645 4,468
+0.1%
1319 Xeon E5-2430 v2 4,467
+0.1%
1320 Core i7-960 4,467
+0.1%
1321 Xeon E5-2609 v4 4,465
+0.1%
1322 Phenom II X6 1055T 4,462
1323 A10 PRO-7850B 4,461
+-0%
1324 Athlon X4 870K 4,460
+-0%
1325 Athlon II X4 641 4,459
-0.1%
1326 Celeron G1820 4,458
-0.1%
1327 Celeron G3900 4,457
-0.1%

View full ranking →

Multicore Score

Multicore performance score for Phenom II X6 1055T based on multi-threaded benchmark results.

4,473 Rank: 1280
Rank Name Score Visual
1276 A10-6800K 4,475
+0%
1277 Phenom II X4 B40 4,475
+0%
1278 Core M 5Y10c 4,474
+0%
1279 Core i7-5600U 4,473
+0%
1280 Phenom II X6 1055T 4,473
1281 A8-7600 4,471
+-0%
1282 Athlon Silver 7120U 4,471
+-0%
1283 Xeon E5420 4,470
-0.1%
1284 Core i5-660 4,470
-0.1%
1285 Core i3-3240 4,469
-0.1%

View full ranking →

Singlecore Score

Single-core performance score for Phenom II X6 1055T based on single-threaded benchmark results.

4,455 Rank: 1336
Rank Name Score Visual
1332 Core i5-2390T 4,459
+0.1%
1333 Phenom II X6 1075T 4,458
+0.1%
1334 Core m3-6Y30 4,456
+0%
1335 Core i5-2520M 4,456
+0%
1336 Phenom II X6 1055T 4,455
1337 Core i7-2710QE 4,454
+-0%
1338 Core i7-965 4,454
+-0%
1339 Xeon E5-2620 v2 4,453
+-0%
1340 Phenom 9750 4,452
-0.1%
1341 A10-7850K 4,450
-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 Phenom II X6 1055T based on integer math, floating point math, and prime number computation benchmarks.

4,571 Rank: 1071
Rank Name Score Visual
1067 Core i7-860S 4,572
+0%
1068 Pentium G4600 4,571
+0%
1069 A8-9600 4,571
+0%
1070 FX-9830P 4,571
+0%
1071 Phenom II X6 1055T 4,571
1072 Core i5-7360U 4,570
+-0%
1073 Core i5-6287U 4,570
+-0%
1074 Athlon 3000G 4,570
+-0%
1075 Core i3-4360 4,570
+-0%
1076 Core i5-2400S 4,570
+-0%

View full ranking →

Data Processing

Aggregated score for Phenom II X6 1055T based on data encryption, data compression, and string sorting benchmarks.

4,592 Rank: 923
Rank Name Score Visual
919 Core i3-8100T 4,593
+0%
920 Xeon E3-1260L 4,593
+0%
921 Core i5-3470 4,592
+0%
922 Core i5-4460 4,592
+0%
923 Phenom II X6 1055T 4,592
924 Core i5-3570S 4,592
+0%
925 Pentium J6426 4,592
+0%
926 Xeon E3-1225 V2 4,591
+-0%
927 Core i7-960 4,591
+-0%
928 Core i7-965 4,591
+-0%

View full ranking →

Physics & Compute

Aggregated score for Phenom II X6 1055T based on physics simulation and extended instruction set (SSE/AVX) benchmarks.

4,542 Rank: 1146
Rank Name Score Visual
1142 Core i5-8210Y 4,543
+0%
1143 Athlon X4 860K 4,543
+0%
1144 Xeon D-1602 4,542
+0%
1145 A10-9700 4,542
+0%
1146 Phenom II X6 1055T 4,542
1147 Core i3-7020U 4,542
+0%
1148 FX-4320 4,542
+0%
1149 Athlon X4 870K 4,542
+0%
1150 Ryzen Embedded R1505G 4,541
+-0%
1151 Core i5-7Y54 4,541
+-0%

View full ranking →

Phenom II X6 1055T Details

The AMD Phenom II X6 1055T, released in April 2010, stands as a notable example of AMD's multi-core strategy during the early 2010s, though it is now considered a legacy processor. Built on the Thuban microarchitecture and fabricated on a 45 nm process by GlobalFoundries, this six-core desktop CPU was designed for high-end consumer platforms, offering a base clock of 2.8 GHz and a turbo frequency of up to 3.3 GHz. Despite its age, the processor remains relevant in specific use cases, particularly where integrated graphics or ECC memory support are required. With a 125 W TDP and a Socket AM3 interface, the Phenom II X6 1055T demands robust cooling solutions, reflecting its power-hungry design by today's standards.

The processor's performance metrics reveal a balanced but dated profile. In benchmark tests, it achieves an Overall Score of 4462, placing it at #1322 among 2060 CPUs, with a Singlecore Score of 4455 (#1336) and a Multicore Score of 4473 (#1279). While these scores may seem modest compared to modern processors, they reflect a time when six-core CPUs were a premium offering. The Phenom II X6 1055T competes with contemporaries like the A10-6800K and Xeon D-1602, but it falls short of more recent offerings such as the Core i5-660 or Athlon Silver 7120U. Its strongest category is single-core performance, where it narrowly outpaces some modern low-power chips, but its multicore advantage is offset by slower overall efficiency.

In terms of specifications, the Phenom II X6 1055T features 6 MB of L3 cache, 0.122 MiB of L1 cache, and 0.488 MiB of L2 cache, all contributing to its ability to handle demanding workloads. It supports DDR3 memory at speeds up to 1333 MT/s, with a dual-channel memory interface and a maximum capacity of 16 GB. The processor also includes advanced features such as ECC memory support, AMD-V virtualization, and a range of instruction sets including SSE, AVX2, and AES-NI. However, it lacks integrated graphics, though certain motherboards with compatible chipsets can provide this functionality via discrete GPU support.

The Phenom II X6 1055T's competitive positioning is defined by its age and technological context. As of March 2026, it is no longer a viable option for modern computing needs, such as gaming or content creation, where contemporary CPUs like the Ryzen 9 9950X3D or Core Ultra 9 285K dominate the top ranks. Nonetheless, it remains a viable choice for legacy systems, retro builds, or embedded applications requiring ECC memory and a high core count within a constrained budget. Its TDP and power consumption make it unsuitable for portable or energy-efficient environments, but its robust core count and memory support ensure it still holds a place in niche markets.

In conclusion, the AMD Phenom II X6 1055T is a product of its era—a high-core-count desktop processor that pushed the boundaries of consumer multi-threading in 2010. While its performance and efficiency are now outdated, its inclusion of ECC memory, virtualization support, and strong single-threaded performance give it a unique niche. For users maintaining older systems or seeking cost-effective multi-core processing, the Phenom II X6 1055T remains a functional, if dated, option.
Frequently Compared

AMD Ryzen 7 PRO 2700U 9 views

Intel Intel Celeron J3060 4 views

Intel Atom Z520 3 views

AMD Ryzen 7 PRO 2700 2 views

AMD Ryzen 9 PRO 3900 1 view

AMD Ryzen 5 PRO 3500U 1 view

AMD Ryzen 3 PRO 2200GE 1 view

Intel Xeon Silver 4114 1 view

Intel Xeon Silver 4108 1 view

Intel Core i7-7820EQ 1 view

AMD Phenom II X6 1055T

Main Specifications

Designer: AMD
Name: Phenom II X6 1055T
Model Number: i5-4310U
Cores: 2
Threads: 4
Base Frequency: 2000 MHz
Clock Multiplier: 14x (locked)
Core Name: Thuban
Socket: FCBGA1168
Package: µPGA
Target Segment: Desktop
Max CPUs: 1
TDP: 15 W

Cache Specifications

L1 Cache: 124.928 KiB
L2 Cache: 0.488 MiB
L3 Cache: 5.722 MiB

Memory Specifications

Supported Memory Type: DDR3L 1333/1600, LPDDR3 1333/1600
Memory Channels: 2
Maximum Memory: 0 GB
Maximum Bandwidth: 25.6 GB/s
ECC Support: No

PCI-Express Specifications

PCIe Revision: 2.0
PCIe Lanes: 12
PCIe Configuration: 4x1, 2x4

Integrated Graphics

GPU: HD Graphics 4400
GPU Designer: Intel
GPU Max Frequency: 1100 MHz

Physical Specifications

Process: 22 nm
Die Area: 346 mm²
Transistor Count: 0.00 billion
Manufacturer: GlobalFoundries
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 SSE4a AMD-V TSX Flex Memory FMA 3DNow!
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