AMD Athlon II X4 651K Benchmark, Test and specs

Last updated:

CPU lineage

The AMD Athlon II X4 651K features 4 processor cores and has the capability to manage 4 threads concurrently. It was released in Q4/2011 and belongs to the 2 generation of the AMD Athlon II series. To use the AMD Athlon II X4 651K, you'll need a motherboard with a FM1 socket.
Name: AMD Athlon II X4 651K
Family: AMD Athlon II
Group: AMD Athlon II X4 (Llano)
Segment: Desktop / Server
Generation: 2

CPU Cores and Base Frequency

The AMD Athlon II X4 651K has 4 CPU cores and can calculate 4 threads in parallel. The clock frequency of the AMD Athlon II X4 651K is 3.0 GHz
CPU Cores: 4
Threads: 4
Cores: 4x
Core architecture: normal
Hyperthreading: No
Overclocking: Yes
Frequency: 3.0 GHz

Memory & PCIe

The processor supports a maximum memory capacity of 16.0 GB distributed across 2 memory channels. It offers a peak memory bandwidth of 21.3 GB/s. Both the type and quantity of memory can have a substantial impact on the overall system performance.
Memory type: DDR3-1333
Max. Memory: 16.0 GB
Memory channels: 2
Bandwidth: 21.3 GB/s
ECC: No
PCIe: pci
AES-NI: No

Thermal Management

The processor has a thermal design power (TDP) of 100 W watts. TDP indicates the cooling solution needed to effectively manage the processor's heat. It generally provides an approximate indication of the actual power consumption of the CPU itself.
TDP (PL1 / PBP): 100 W
TDP (PL2): None
TDP up: None
TDP down: None
Tjunction max: --

Technical details

The AMD Athlon II X4 651K is manufactured using a 32 nm process. A smaller manufacturing process indicates a more contemporary and energy-efficient CPU. A substantial cache can significantly enhance the processor's performance, particularly in scenarios like gaming.
Technology: 32 nm
Chip design: --
Socket: FM1
L2-Cache: 4.0 MB
L3-Cache: 0 bytes
Architecture: Llano
Operating systems: Windows 10, Linux
Virtualization: AMD-V
Instruction set (ISA): x86-64 (64 bit)
ISA extensions: SSE3, SSE4a, MMX, 3DNow!
Release date: Q4/2011
Release price: --
Part Number: --
Documents: Technical data sheet
ADS

Benchmarks

Estimated results for PassMark CPU Mark

Intel Core i3-6102E
2C 4T @ 1.9 GHz
2356
2356
Intel Core m5-6Y57
2C 4T @ 1.1 GHz
2353
2353
AMD Athlon II X4 651K
4C 4T @ 3.0 GHz
2349
2349
AMD Athlon II X4 651
4C 4T @ 3.0 GHz
2340
2340
Intel Pentium G4400T
2C 2T @ 2.9 GHz
2330
2330

Geekbench 5, 64bit (Multi-Core)

Intel Celeron G3950
2C 2T @ 3.0 GHz
1470
1470
AMD Athlon II X4 651
4C 4T @ 3.0 GHz
1467
1467
AMD Athlon II X4 651K
4C 4T @ 3.0 GHz
1467
1467
AMD Athlon II X4 651
4C 4T @ 3.0 GHz
1467
1467
Intel Celeron G3920
2C 2T @ 2.9 GHz
1465
1465

Geekbench 5, 64bit (Single-Core)

AMD Athlon II X4 651
4C 4T @ 3.0 GHz
411
411
AMD A8-5500B
4C 4T @ 3.2 GHz
411
411
AMD Athlon II X4 651K
4C 4T @ 3.0 GHz
411
411
AMD A8-5500B
4C 4T @ 3.2 GHz
411
411
AMD Athlon II X4 651
4C 4T @ 3.0 GHz
411
411