AMD Phenom II X2 511 vs Intel Pentium 997

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CPU comparison with benchmarks


AMD Phenom II X2 511 CPU1 vs CPU2 Intel Pentium 997
AMD Phenom II X2 511 Intel Pentium 997

CPU comparison

AMD Phenom II X2 511 or Intel Pentium 997 - which processor is faster? In this comparison we look at the differences and analyze which of these two CPUs is better. We compare the technical data and benchmark results.

The AMD Phenom II X2 511 has 2 cores with 2 threads and clocks with a maximum frequency of 3.40 GHz. Up to GB of memory is supported in 2 memory channels. The AMD Phenom II X2 511 was released in Q1/2011.

The Intel Pentium 997 has 2 cores with 2 threads and clocks with a maximum frequency of 1.60 GHz. The CPU supports up to 16 GB of memory in 2 memory channels. The Intel Pentium 997 was released in Q3/2012.
AMD Phenom II (52) Family Intel Pentium (150)
AMD Phenom II - 500 (2) CPU group Intel Pentium 900 (10)
1 Generation 3
Regor (K10) Architecture Sandy Bridge U
Desktop / Server Segment Mobile
-- Predecessor --
-- Successor --

CPU Cores and Base Frequency

The AMD Phenom II X2 511 has 2 CPU cores and can calculate 2 threads in parallel. The clock frequency of the AMD Phenom II X2 511 is 3.40 GHz while the Intel Pentium 997 has 2 CPU cores and 2 threads can calculate simultaneously. The clock frequency of the Intel Pentium 997 is at 1.60 GHz.

AMD Phenom II X2 511 Characteristic Intel Pentium 997
2 Cores 2
2 Threads 2
normal Core architecture normal
No Hyperthreading No
Yes Overclocking ? No
3.40 GHz Frequency 1.60 GHz
-- Turbo Frequency (1 Core) --
-- Turbo Frequency (All Cores) --

Artificial Intelligence and Machine Learning

Processors with the support of artificial intelligence (AI) and machine learning (ML) can process many calculations, especially audio, image and video processing, much faster than classic processors. Algorithms for ML improve their performance the more data they have collected via software. ML tasks can be processed up to 10,000 times faster than with a classic processor.

AMD Phenom II X2 511 Characteristic Intel Pentium 997
-- AI hardware --
-- AI specifications --

Internal Graphics

The AMD Phenom II X2 511 or Intel Pentium 997 has integrated graphics, called iGPU for short. The iGPU uses the system's main memory as graphics memory and sits on the processor's die.

no iGPU GPU Intel HD Graphics (Sandy Bridge GT1)
GPU frequency 0.35 GHz
-- GPU (Turbo) 1.00 GHz
-- GPU Generation 6
Technology 32 nm
Max. displays 2
-- Compute units 6
-- Shader 48
No Hardware Raytracing No
No Frame Generation No
-- Max. GPU Memory 2 GB
-- DirectX Version 10.1

Hardware codec support

A photo or video codec that is accelerated in hardware can greatly accelerate the working speed of a processor and extend the battery life of notebooks or smartphones when playing videos.

no iGPU GPU Intel HD Graphics (Sandy Bridge GT1)
No Codec h265 / HEVC (8 bit) No
No Codec h265 / HEVC (10 bit) No
No Codec h264 Decode / Encode
No Codec VP9 No
No Codec VP8 No
No Codec AV1 No
No Codec AVC Decode / Encode
No Codec VC-1 Decode
No Codec JPEG No

Memory & PCIe

The AMD Phenom II X2 511 can use up to GB of memory in 2 memory channels. The maximum memory bandwidth is 21.3 GB/s. The Intel Pentium 997 supports up to 16 GB of memory in 2 memory channels and achieves a memory bandwidth of up to 21.3 GB/s.

AMD Phenom II X2 511 Characteristic Intel Pentium 997
DDR3-1333, DDR2-1066 Memory DDR3-1066, DDR3-1333
Max. Memory 16 GB
2 (Dual Channel) Memory channels 2 (Dual Channel)
21.3 GB/s Max. Bandwidth 21.3 GB/s
No ECC No
-- L2 Cache --
2.00 MB L3 Cache 2.00 MB
-- PCIe version 2.0
-- PCIe lanes 16
-- PCIe Bandwidth 8.0 GB/s

Thermal Management

The thermal design power (TDP for short) of the AMD Phenom II X2 511 is 65 W, while the Intel Pentium 997 has a TDP of 17 W. The TDP specifies the necessary cooling solution that is required to cool the processor sufficiently.

AMD Phenom II X2 511 Characteristic Intel Pentium 997
65 W TDP (PL1 / PBP) 17 W
-- TDP (PL2) --
-- TDP up --
-- TDP down --
-- Tjunction max. 100 °C

Technical details

The AMD Phenom II X2 511 is manufactured in 45 nm and has 2.00 MB cache. The Intel Pentium 997 is manufactured in 32 nm and has a 2.00 MB cache.

AMD Phenom II X2 511 Characteristic Intel Pentium 997
45 nm Technology 32 nm
Unknown Chip design Monolithic
x86-64 (64 bit) Instruction set (ISA) x86-64 (64 bit)
SSE3, SSE4a ISA extensions SSE4.1, SSE4.2
AM3 Socket BGA 1023
AMD-V Virtualization VT-x, VT-x EPT, VT-d
No AES-NI Yes
Windows 10, Linux Operating systems Windows 10, Linux
Q1/2011 Release date Q3/2012
-- Release price --
show more data show more data


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Average performance in benchmarks

⌀ Single core performance in 0 CPU benchmarks
⌀ Multi core performance in 1 CPU benchmarks

Estimated results for PassMark CPU Mark

Some of the CPUs listed below have been benchmarked by CPU-monkey. However the majority of CPUs have not been tested and the results have been estimated by a CPU-monkey’s secret proprietary formula. As such they do not accurately reflect the actual Passmark CPU mark values and are not endorsed by PassMark Software Pty Ltd.
AMD Phenom II X2 511 AMD Phenom II X2 511
2C 2T @ 3.40 GHz
2188 (100%)
Intel Pentium 997 Intel Pentium 997
2C 2T @ 1.60 GHz
786 (36%)

Geekbench 5, 64bit (Single-Core)

Geekbench 5 is a cross plattform benchmark that heavily uses the systems memory. A fast memory will push the result a lot. The single-core test only uses one CPU core, the amount of cores or hyperthreading ability doesn't count.
AMD Phenom II X2 511 AMD Phenom II X2 511
2C 2T @ 3.40 GHz
0 (0%)
Intel Pentium 997 Intel Pentium 997
2C 2T @ 1.60 GHz
312 (100%)

Geekbench 5, 64bit (Multi-Core)

Geekbench 5 is a cross plattform benchmark that heavily uses the systems memory. A fast memory will push the result a lot. The multi-core test involves all CPU cores and taks a big advantage of hyperthreading.
AMD Phenom II X2 511 AMD Phenom II X2 511
2C 2T @ 3.40 GHz
0 (0%)
Intel Pentium 997 Intel Pentium 997
2C 2T @ 1.60 GHz
596 (100%)

iGPU - FP32 Performance (Single-precision GFLOPS)

The theoretical computing performance of the internal graphics unit of the processor with simple accuracy (32 bit) in GFLOPS. GFLOPS indicates how many billion floating point operations the iGPU can perform per second.
AMD Phenom II X2 511 AMD Phenom II X2 511
@ 0.00 GHz
0 (0%)
Intel Pentium 997 Intel Pentium 997
Intel HD Graphics (Sandy Bridge GT1) @ 1.00 GHz
96 (100%)

Cinebench R15 (Single-Core)

Cinebench R15 is the successor of Cinebench 11.5 and is also based on the Cinema 4 Suite. Cinema 4 is a worldwide used software to create 3D forms. The single-core test only uses one CPU core, the amount of cores or hyperthreading ability doesn't count.
AMD Phenom II X2 511 AMD Phenom II X2 511
2C 2T @ 3.40 GHz
89 (100%)
Intel Pentium 997 Intel Pentium 997
2C 2T @ 1.60 GHz
0 (0%)

Cinebench R15 (Multi-Core)

Cinebench R15 is the successor of Cinebench 11.5 and is also based on the Cinema 4 Suite. Cinema 4 is a worldwide used software to create 3D forms. The multi-core test involves all CPU cores and taks a big advantage of hyperthreading.
AMD Phenom II X2 511 AMD Phenom II X2 511
2C 2T @ 3.40 GHz
172 (100%)
Intel Pentium 997 Intel Pentium 997
2C 2T @ 1.60 GHz
0 (0%)

Devices using this processor

AMD Phenom II X2 511 Intel Pentium 997
Unknown Unknown

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