Intel Core i7-2649M vs AMD RX-421ND

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CPU comparison with benchmarks


Intel Core i7-2649M CPU1 vs CPU2 AMD RX-421ND
Intel Core i7-2649M AMD RX-421ND

CPU comparison

Intel Core i7-2649M or AMD RX-421ND - 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 AMD RX-421ND has 4 cores with 4 threads and clocks with a maximum frequency of 3.40 GHz. The CPU supports up to GB of memory in 2 memory channels. The AMD RX-421ND was released in Q4/2015.
Intel Core i7 (298) Family AMD R (6)
Intel Core i 2000M (46) CPU group AMD RX 1st Gen. (6)
2 Generation 1
Sandy Bridge H Architecture Merlin Falcon (Excavator)
Mobile Segment Mobile
-- 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 AMD RX-421ND has 4 CPU cores with a clock frequency of 2.10 GHz (3.40 GHz).
Intel Core i7-2649M Characteristic AMD RX-421ND
2 Cores 4
4 Threads 4
normal Core architecture normal
Yes Hyperthreading No
No Overclocking ? No
2.30 GHz Frequency 2.10 GHz
3.20 GHz Turbo Frequency (1 Core) 3.40 GHz
-- 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.
Intel Core i7-2649M Characteristic AMD RX-421ND
-- AI hardware --
-- AI specifications --

Internal Graphics

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 AMD RX-421ND can connect up to GB of memory in 2 memory channels.
Intel Core i7-2649M Characteristic AMD RX-421ND
DDR3-1066, DDR3-1333 Memory DDR4-2400, DDR3-2133
8 GB Max. Memory
2 (Dual Channel) Memory channels 2 (Dual Channel)
21.3 GB/s Max. Bandwidth 38.4 GB/s
No ECC Yes
-- L2 Cache 2.00 MB
4.00 MB L3 Cache --
2.0 PCIe version 3.0
16 PCIe lanes 12
8.0 GB/s PCIe Bandwidth 11.8 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 AMD RX-421ND is 35 W.
Intel Core i7-2649M Characteristic AMD RX-421ND
25 W TDP (PL1 / PBP) 35 W
-- TDP (PL2) --
-- TDP up --
-- TDP down 12 W
100 °C Tjunction max. 90 °C

Technical details

The Intel Core i7-2649M has a 4.00 MB cache, while the AMD RX-421ND cache has a total of 2.00 MB.
Intel Core i7-2649M Characteristic AMD RX-421ND
32 nm Technology 28 nm
Monolithic Chip design Unknown
x86-64 (64 bit) Instruction set (ISA) x86-64 (64 bit)
SSE4.1, SSE4.2, AVX ISA extensions SSE4a, SSE4.1, SSE4.2, AVX, FMA3, FMA4
BGA 1023 Socket FP4
VT-x, VT-x EPT Virtualization AMD-V, AMD-Vt
Yes AES-NI Yes
Windows 10, Linux Operating systems
Q1/2011 Release date Q4/2015
270 $ Release price --
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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%)
AMD RX-421ND AMD RX-421ND
@ 0.00 GHz
0 (0%)

Devices using this processor
Intel Core i7-2649M AMD RX-421ND
Unknown Unknown

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