AMD Ryzen 5 PRO 6650U vs Intel Core i7-3960X

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CPU comparison with benchmarks


AMD Ryzen 5 PRO 6650U CPU1 vs CPU2 Intel Core i7-3960X
AMD Ryzen 5 PRO 6650U Intel Core i7-3960X

CPU comparison

AMD Ryzen 5 PRO 6650U or Intel Core i7-3960X - 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 Ryzen 5 PRO 6650U has 6 cores with 12 threads and clocks with a maximum frequency of 4.40 GHz. Up to 64 GB of memory is supported in 2 memory channels. The AMD Ryzen 5 PRO 6650U was released in Q2/2022.

The Intel Core i7-3960X has 6 cores with 12 threads and clocks with a maximum frequency of 3.90 GHz. The CPU supports up to 64 GB of memory in 4 memory channels. The Intel Core i7-3960X was released in Q4/2011.
AMD Ryzen 5 (86) Family Intel Core i7 Extreme Edition (24)
AMD Ryzen 6000U/7035U (9) CPU group Intel Core i 3000X (4)
5 Generation 3
Rembrandt (Zen 3+) Architecture Sandy Bridge E
Mobile Segment Desktop / Server
-- Predecessor --
-- Successor --

CPU Cores and Base Frequency

The AMD Ryzen 5 PRO 6650U is a 6 core processor with a clock frequency of 2.90 GHz (4.40 GHz). The Intel Core i7-3960X has 6 CPU cores with a clock frequency of 3.30 GHz (3.90 GHz).

AMD Ryzen 5 PRO 6650U Characteristic Intel Core i7-3960X
6 Cores 6
12 Threads 12
normal Core architecture normal
Yes Hyperthreading Yes
No Overclocking ? Yes
2.90 GHz Frequency 3.30 GHz
4.40 GHz Turbo Frequency (1 Core) 3.90 GHz
3.80 GHz Turbo Frequency (All Cores) 3.90 GHz

NPU AI performance

The performance values of the processor's AI unit. The isolated NPU performance is specified here, the total AI performance (NPU+CPU+iGPU) can be higher. Processors with support for artificial intelligence (AI) and machine learning (ML) can process many calculations, especially audio, image and video processing, much faster than classic processors.

AMD Ryzen 5 PRO 6650U Characteristic Intel Core i7-3960X
-- AI hardware --
-- AI specifications --

Integrated graphics (iGPU)

The integrated graphics unit of a processor is not only responsible for the pure image output on the system, but can also significantly increase the efficiency of the system with the support of modern video codecs.

AMD Radeon 660M GPU no iGPU
1.40 GHz GPU frequency --
1.90 GHz GPU (Turbo) --
9 GPU Generation --
6 nm Technology
3 Max. displays
6 Compute units --
384 Shader --
Yes Hardware Raytracing No
No Frame Generation No
8 GB Max. GPU Memory --
12 DirectX Version --

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.

AMD Radeon 660M GPU no iGPU
Decode / Encode Codec h265 / HEVC (8 bit) No
Decode / Encode Codec h265 / HEVC (10 bit) No
Decode / Encode Codec h264 No
Decode / Encode Codec VP9 No
Decode / Encode Codec VP8 No
Decode Codec AV1 No
Decode / Encode Codec AVC No
Decode Codec VC-1 No
Decode / Encode Codec JPEG No

Memory & PCIe

The AMD Ryzen 5 PRO 6650U supports a maximum of 64 GB of memory in 2 memory channels. The Intel Core i7-3960X can connect up to 64 GB of memory in 4 memory channels.

AMD Ryzen 5 PRO 6650U Characteristic Intel Core i7-3960X
LPDDR5-6400, DDR5-4800 Memory DDR3-1600
64 GB Max. Memory 64 GB
2 (Dual Channel) Memory channels 4 (Quad Channel)
76.8 GB/s Max. Bandwidth 51.2 GB/s
No ECC No
3.00 MB L2 Cache --
16.00 MB L3 Cache 15.00 MB
4.0 PCIe version 2.0
12 PCIe lanes 40
23.6 GB/s PCIe Bandwidth 20.0 GB/s

Thermal Management

The TDP (Thermal Design Power) of a processor specifies the required cooling solution. The AMD Ryzen 5 PRO 6650U has a TDP of 15 W, that of the Intel Core i7-3960X is 130 W.

AMD Ryzen 5 PRO 6650U Characteristic Intel Core i7-3960X
15 W TDP (PL1 / PBP) 130 W
-- TDP (PL2) --
28 W TDP up --
-- TDP down --
105 °C Tjunction max. --

Technical details

The AMD Ryzen 5 PRO 6650U has a 19.00 MB cache, while the Intel Core i7-3960X cache has a total of 15.00 MB.

AMD Ryzen 5 PRO 6650U Characteristic Intel Core i7-3960X
6 nm Technology 32 nm
Monolithic Chip design Monolithic
x86-64 (64 bit) Instruction set (ISA) x86-64 (64 bit)
SSE4a, SSE4.1, SSE4.2, AVX2, FMA3 ISA extensions SSE4.1, SSE4.2, AVX
FP7 Socket LGA 2011
AMD-V, SVM Virtualization VT-x, VT-x EPT, VT-d (C2 Stepping)
Yes AES-NI Yes
Windows 10, Windows 11, Linux Operating systems Windows 10, Linux
Q2/2022 Release date Q4/2011
-- Release price 970 $
show more data show more data


Rate these processors

Here you can rate the AMD Ryzen 5 PRO 6650U to help other visitors make their purchasing decisions. The average rating is 5.0 stars (2 ratings). Rate now:
Here you can rate the Intel Core i7-3960X to help other visitors make their purchasing decisions. The average rating is 4.0 stars (1 ratings). Rate now:


Average performance in benchmarks

⌀ Single core performance in 3 CPU benchmarks
AMD Ryzen 5 PRO 6650U (100%)
Intel Core i7-3960X (55%)
⌀ Multi core performance in 4 CPU benchmarks
AMD Ryzen 5 PRO 6650U (100%)
Intel Core i7-3960X (63%)

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 Ryzen 5 PRO 6650U AMD Ryzen 5 PRO 6650U
6C 12T @ 4.40 GHz
1465 (100%)
Intel Core i7-3960X Intel Core i7-3960X
6C 12T @ 3.90 GHz
804 (55%)

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 Ryzen 5 PRO 6650U AMD Ryzen 5 PRO 6650U
6C 12T @ 3.80 GHz
6385 (100%)
Intel Core i7-3960X Intel Core i7-3960X
6C 12T @ 3.90 GHz
4973 (78%)

Geekbench 6 (Single-Core)

Geekbench 6 is a benchmark for modern computers, notebooks and smartphones. What is new is an optimized utilization of newer CPU architectures, e.g. based on the big.LITTLE concept and combining CPU cores of different sizes. The single-core benchmark only evaluates the performance of the fastest CPU core, the number of CPU cores in a processor is irrelevant here.
AMD Ryzen 5 PRO 6650U AMD Ryzen 5 PRO 6650U
6C 12T @ 4.40 GHz
1879 (100%)
Intel Core i7-3960X Intel Core i7-3960X
6C 12T @ 3.90 GHz
736 (39%)

Geekbench 6 (Multi-Core)

Geekbench 6 is a benchmark for modern computers, notebooks and smartphones. What is new is an optimized utilization of newer CPU architectures, e.g. based on the big.LITTLE concept and combining CPU cores of different sizes. The multi-core benchmark evaluates the performance of all of the processor's CPU cores. Virtual thread improvements such as AMD SMT or Intel's Hyper-Threading have a positive impact on the benchmark result.
AMD Ryzen 5 PRO 6650U AMD Ryzen 5 PRO 6650U
6C 12T @ 3.80 GHz
7423 (100%)
Intel Core i7-3960X Intel Core i7-3960X
6C 12T @ 3.90 GHz
3488 (47%)

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 Ryzen 5 PRO 6650U AMD Ryzen 5 PRO 6650U
6C 12T @ 3.80 GHz
16692 (100%)
Intel Core i7-3960X Intel Core i7-3960X
6C 12T @ 3.90 GHz
8454 (51%)

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 Ryzen 5 PRO 6650U AMD Ryzen 5 PRO 6650U
6C 12T @ 4.40 GHz
225 (100%)
Intel Core i7-3960X Intel Core i7-3960X
6C 12T @ 3.90 GHz
159 (71%)

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 Ryzen 5 PRO 6650U AMD Ryzen 5 PRO 6650U
6C 12T @ 3.80 GHz
1546 (100%)
Intel Core i7-3960X Intel Core i7-3960X
6C 12T @ 3.90 GHz
1158 (75%)

Cinebench R23 (Single-Core)

Cinebench R23 is the successor of Cinebench R20 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 Ryzen 5 PRO 6650U AMD Ryzen 5 PRO 6650U
6C 12T @ 4.40 GHz
1468 (100%)
Intel Core i7-3960X Intel Core i7-3960X
6C 12T @ 3.90 GHz
0 (0%)

Cinebench R23 (Multi-Core)

Cinebench R23 is the successor of Cinebench R20 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 Ryzen 5 PRO 6650U AMD Ryzen 5 PRO 6650U
6C 12T @ 3.80 GHz
8977 (100%)
Intel Core i7-3960X Intel Core i7-3960X
6C 12T @ 3.90 GHz
0 (0%)

Cinebench R20 (Single-Core)

Cinebench R20 is the successor of Cinebench R15 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 Ryzen 5 PRO 6650U AMD Ryzen 5 PRO 6650U
6C 12T @ 4.40 GHz
575 (100%)
Intel Core i7-3960X Intel Core i7-3960X
6C 12T @ 3.90 GHz
0 (0%)

Cinebench R20 (Multi-Core)

Cinebench R20 is the successor of Cinebench R15 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 Ryzen 5 PRO 6650U AMD Ryzen 5 PRO 6650U
6C 12T @ 3.80 GHz
3734 (100%)
Intel Core i7-3960X Intel Core i7-3960X
6C 12T @ 3.90 GHz
0 (0%)

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 Ryzen 5 PRO 6650U AMD Ryzen 5 PRO 6650U
AMD Radeon 660M @ 1.90 GHz
1459 (100%)
Intel Core i7-3960X Intel Core i7-3960X
@ 0.00 GHz
0 (0%)

CPU-Z Benchmark 17 (Multi-Core)

The CPU-Z benchmark measures a processor's performance by measuring the time it takes the system to complete all benchmark calculations. The faster the benchmark is completed, the higher the score.
AMD Ryzen 5 PRO 6650U AMD Ryzen 5 PRO 6650U
6C 12T @ 2.90 GHz
0 (0%)
Intel Core i7-3960X Intel Core i7-3960X
6C 12T @ 3.30 GHz
2643 (100%)

Devices using this processor

AMD Ryzen 5 PRO 6650U Intel Core i7-3960X
Unknown Unknown

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