Intel Core2 Duo E6400 vs AMD A6-3500

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CPU comparison with benchmarks


Intel Core2 Duo E6400 CPU1 vs CPU2 AMD A6-3500
Intel Core2 Duo E6400 AMD A6-3500

CPU comparison

In this CPU comparison, we compare the Intel Core2 Duo E6400 and the AMD A6-3500 and use benchmarks to check which processor is faster.

We compare the Intel Core2 Duo E6400 2 core processor released in Q3/2006 with the AMD A6-3500 which has 3 CPU cores and was introduced in Q3/2011.
Intel Core2 Duo (29) Family AMD A (112)
Intel Core 2 Duo E4000/E6000 (15) CPU group AMD A6-3000 (5)
1 Generation 1
Conroe (Core) Architecture Llano (K10)
Desktop / Server Segment Desktop / Server
-- Predecessor --
-- Successor --

CPU Cores and Base Frequency

The Intel Core2 Duo E6400 is a 2 core processor with a clock frequency of 2.13 GHz. The processor can compute 2 threads at the same time. The AMD A6-3500 clocks with 2.10 GHz (2.40 GHz), has 3 CPU cores and can calculate 3 threads in parallel.

Intel Core2 Duo E6400 Characteristic AMD A6-3500
2 Cores 3
2 Threads 3
normal Core architecture normal
No Hyperthreading No
Yes Overclocking ? Yes
2.13 GHz Frequency 2.10 GHz
-- Turbo Frequency (1 Core) 2.40 GHz
-- Turbo Frequency (All Cores) 2.40 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 Core2 Duo E6400 Characteristic AMD A6-3500
-- AI hardware --
-- AI specifications --
-- NPU + CPU + iGPU --

Integrated graphics (iGPU)

Graphics (iGPU) integrated into the processor not only enable image output without having to rely on a dedicated graphics solution, but can also efficiently accelerate video playback.

no iGPU GPU AMD Radeon HD 6530D
GPU frequency 0.44 GHz
-- GPU (Turbo) --
-- GPU Generation 3
Technology 32 nm
Max. displays 0
-- Compute units 5
-- Shader 320
No Hardware Raytracing No
No Frame Generation No
-- Max. GPU Memory 1 GB
-- DirectX Version 11

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 AMD Radeon HD 6530D
No Codec h265 / HEVC (8 bit) No
No Codec h265 / HEVC (10 bit) No
No Codec h264 Decode
No Codec VP9 No
No Codec VP8 No
No Codec AV1 No
No Codec AVC Decode
No Codec VC-1 Decode
No Codec JPEG Decode / Encode

Memory & PCIe

Up to 16 GB of memory in a maximum of 2 memory channels is supported by the Intel Core2 Duo E6400, while the AMD A6-3500 supports a maximum of GB of memory with a maximum memory bandwidth of 25.6 GB/s enabled.

Intel Core2 Duo E6400 Characteristic AMD A6-3500
DDR3-1333, DDR2-1066 Memory DDR3-1600
16 GB Max. Memory
2 (Dual Channel) Memory channels 2 (Dual Channel)
21.3 GB/s Max. Bandwidth 25.6 GB/s
No ECC No
2.00 MB L2 Cache --
-- L3 Cache 3.00 MB
-- PCIe version --
-- PCIe lanes --
-- PCIe Bandwidth --

Thermal Management

The Intel Core2 Duo E6400 has a TDP of 65 W. The TDP of the AMD A6-3500 is 65 W. System integrators use the TDP of the processor as a guide when dimensioning the cooling solution.

Intel Core2 Duo E6400 Characteristic AMD A6-3500
65 W TDP (PL1 / PBP) 65 W
-- TDP (PL2) --
-- TDP up --
-- TDP down --
-- Tjunction max. --

Technical details

The Intel Core2 Duo E6400 has 2.00 MB cache and is manufactured in 65 nm. The cache of AMD A6-3500 is at 3.00 MB. The processor is manufactured in 32 nm.

Intel Core2 Duo E6400 Characteristic AMD A6-3500
65 nm Technology 32 nm
Monolithic Chip design Unknown
x86-64 (64 bit) Instruction set (ISA) x86-64 (64 bit)
MMX, SSE, SSE2, SSE3 ISA extensions SSE3, SSE4a
LGA 775 Socket FM1
VT-x Virtualization AMD-V
No AES-NI No
Windows 10, Linux Operating systems Windows 10, Linux
Q3/2006 Release date Q3/2011
-- Release price 47 $
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Here you can rate the AMD A6-3500 to help other visitors make their purchasing decisions. The average rating is 0 stars (0 ratings). Rate now:


Average performance in benchmarks

⌀ Single core performance in 1 CPU benchmarks
Intel Core2 Duo E6400 (97%)
AMD A6-3500 (100%)
⌀ Multi core performance in 2 CPU benchmarks
Intel Core2 Duo E6400 (55%)
AMD A6-3500 (100%)

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.
Intel Core2 Duo E6400 Intel Core2 Duo E6400
2C 2T @ 2.13 GHz
295 (97%)
AMD A6-3500 AMD A6-3500
3C 3T @ 2.40 GHz
303 (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.
Intel Core2 Duo E6400 Intel Core2 Duo E6400
2C 2T @ 2.13 GHz
534 (70%)
AMD A6-3500 AMD A6-3500
3C 3T @ 2.40 GHz
766 (100%)

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.
Intel Core2 Duo E6400 Intel Core2 Duo E6400
2C 2T @ 2.13 GHz
772 (39%)
AMD A6-3500 AMD A6-3500
3C 3T @ 2.40 GHz
1995 (100%)

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.
Intel Core2 Duo E6400 Intel Core2 Duo E6400
2C 2T @ 2.13 GHz
0 (0%)
AMD A6-3500 AMD A6-3500
3C 3T @ 2.40 GHz
135 (100%)

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.
Intel Core2 Duo E6400 Intel Core2 Duo E6400
2C 2T @ 2.13 GHz
0 (0%)
AMD A6-3500 AMD A6-3500
3C 3T @ 2.40 GHz
368 (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.
Intel Core2 Duo E6400 Intel Core2 Duo E6400
@ 0.00 GHz
0 (0%)
AMD A6-3500 AMD A6-3500
AMD Radeon HD 6530D @ 0.44 GHz
284 (100%)

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.
Intel Core2 Duo E6400 Intel Core2 Duo E6400
2C 2T @ 2.13 GHz
337 (100%)
AMD A6-3500 AMD A6-3500
3C 3T @ 2.10 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.
Intel Core2 Duo E6400 Intel Core2 Duo E6400
2C 2T @ 2.13 GHz
0 (0%)
AMD A6-3500 AMD A6-3500
3C 3T @ 2.40 GHz
166 (100%)

Devices using this processor

Intel Core2 Duo E6400 AMD A6-3500
Unknown Unknown

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