Intel Core i7-2649M vs Intel Atom C3338R

Last updated:
cpumonkey @ x @cpumonkey

CPU comparison with benchmarks


Intel Core i7-2649M CPU1 vs CPU2 Intel Atom C3338R
Intel Core i7-2649M Intel Atom C3338R

CPU comparison

Intel Core i7-2649M or Intel Atom C3338R - 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 Intel Core i7-2649M has 2 cores with 4 threads and clocks with a maximum frequency of 3.20 GHz. Up to 8 GB of memory is supported in 2 memory channels. The Intel Core i7-2649M was released in Q1/2011.

The Intel Atom C3338R has 2 cores with 2 threads and clocks with a maximum frequency of 2.20 GHz. The CPU supports up to 128 GB of memory in 1 memory channels. The Intel Atom C3338R was released in Q2/2020.
Intel Core i7 (298) Family Intel Atom (108)
Intel Core i 2000M (46) CPU group Intel Atom C3000 (20)
2 Generation 5
Sandy Bridge H Architecture Denverton
Mobile Segment Desktop / Server
-- Predecessor --
-- Successor --

CPU Cores and Base Frequency

The Intel Core i7-2649M is a 2 core processor with a clock frequency of 2.30 GHz (3.20 GHz). The Intel Atom C3338R has 2 CPU cores with a clock frequency of 1.80 GHz (2.20 GHz).
Intel Core i7-2649M Characteristic Intel Atom C3338R
2 Cores 2
4 Threads 2
normal Core architecture normal
Yes Hyperthreading No
No Overclocking ? No
2.30 GHz Frequency 1.80 GHz
3.20 GHz Turbo Frequency (1 Core) 2.20 GHz
-- Turbo Frequency (All Cores) 2.00 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.
Intel Core i7-2649M Characteristic Intel Atom C3338R
-- AI hardware --
-- AI specifications --
-- NPU + CPU + iGPU --

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.
Intel HD Graphics 3000 GPU no iGPU
0.50 GHz GPU frequency --
1.10 GHz GPU (Turbo) --
6 GPU Generation --
32 nm Technology
2 Max. displays
12 Compute units --
96 Shader --
No Hardware Raytracing No
No Frame Generation No
2 GB Max. GPU Memory --
10.1 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.
Intel HD Graphics 3000 GPU no iGPU
No Codec h265 / HEVC (8 bit) No
No Codec h265 / HEVC (10 bit) No
Decode / Encode Codec h264 No
No Codec VP9 No
No Codec VP8 No
No Codec AV1 No
Decode / Encode Codec AVC No
Decode Codec VC-1 No
No Codec JPEG No

Memory & PCIe

The Intel Core i7-2649M supports a maximum of 8 GB of memory in 2 memory channels. The Intel Atom C3338R can connect up to 128 GB of memory in 1 memory channels.
Intel Core i7-2649M Characteristic Intel Atom C3338R
DDR3-1066, DDR3-1333 Memory DDR4-1866
8 GB Max. Memory 128 GB
2 (Dual Channel) Memory channels 1 (Single Channel)
21.3 GB/s Max. Bandwidth 29.9 GB/s
No ECC Yes
-- L2 Cache 4.00 MB
4.00 MB L3 Cache --
2.0 PCIe version 3.0
16 PCIe lanes 10
8.0 GB/s PCIe Bandwidth 9.9 GB/s

Thermal Management

The TDP (Thermal Design Power) of a processor specifies the required cooling solution. The Intel Core i7-2649M has a TDP of 25 W, that of the Intel Atom C3338R is 10.5 W.
Intel Core i7-2649M Characteristic Intel Atom C3338R
25 W TDP (PL1 / PBP) 10.5 W
-- TDP (PL2) --
-- TDP up --
-- TDP down --
100 °C Tjunction max. 100 °C

Technical details

The Intel Core i7-2649M has a 4.00 MB cache, while the Intel Atom C3338R cache has a total of 4.00 MB.
Intel Core i7-2649M Characteristic Intel Atom C3338R
32 nm Technology 14 nm
Monolithic Chip design Monolithic
x86-64 (64 bit) Instruction set (ISA) x86-64 (64 bit)
SSE4.1, SSE4.2, AVX ISA extensions SSE4.1, SSE4.2
BGA 1023 Socket BGA 1310
VT-x, VT-x EPT Virtualization VT-x, VT-x EPT, VT-d
Yes AES-NI Yes
Windows 10, Linux Operating systems Windows 10, Linux
Q1/2011 Release date Q2/2020
270 $ Release price 37 $
show more data show more data


Rate these processors

Here you can rate the Intel Core i7-2649M to help other visitors make their purchasing decisions. The average rating is 0 stars (0 ratings). Rate now:
Here you can rate the Intel Atom C3338R to help other visitors make their purchasing decisions. The average rating is 0 stars (0 ratings). Rate now:


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.
Intel Core i7-2649M Intel Core i7-2649M
Intel HD Graphics 3000 @ 1.10 GHz
211 (100%)
Intel Atom C3338R Intel Atom C3338R
@ 0.00 GHz
0 (0%)

Devices using this processor
Intel Core i7-2649M Intel Atom C3338R
Unknown Unknown

Popular comparisons containing this CPUs

1. Intel Core i7-8665UEIntel Core i7-2649M Intel Core i7-8665UE vs Intel Core i7-2649M
2. Intel Core i7-2649MIntel Core i9-10900E Intel Core i7-2649M vs Intel Core i9-10900E
3. Intel Atom C3338RIntel Celeron J4125 Intel Atom C3338R vs Intel Celeron J4125
4. Intel Core i7-2649MIntel Core i3-4170T Intel Core i7-2649M vs Intel Core i3-4170T
5. Intel Core i7-2649MIntel Xeon Silver 4116 Intel Core i7-2649M vs Intel Xeon Silver 4116
6. AMD Ryzen 3 3200GIntel Core i7-2649M AMD Ryzen 3 3200G vs Intel Core i7-2649M
7. AMD FX-8350Intel Core i7-2649M AMD FX-8350 vs Intel Core i7-2649M
8. Intel Core i5-10310YIntel Core i7-2649M Intel Core i5-10310Y vs Intel Core i7-2649M
9. Intel Core i3-6006UIntel Core i7-2649M Intel Core i3-6006U vs Intel Core i7-2649M
10. Intel Core i7-6500UIntel Core i7-2649M Intel Core i7-6500U vs Intel Core i7-2649M


back to index