INTEL

Intel Core i7-940

Intel processor specifications and benchmark scores

4
Cores
8
Threads
3.2
GHz Boost
130W
TDP

Intel Core i7-940 Specifications

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Core i7-940 Core Configuration

Processing cores and threading

The Intel Core i7-940 features 4 physical cores and 8 threads, which directly impacts multi-threaded performance in CPU benchmarks. More cores allow the processor to handle parallel workloads efficiently, improving performance in video editing, 3D rendering, and multitasking scenarios. Thread count determines how many simultaneous tasks the CPU can process, with higher thread counts benefiting productivity applications and content creation workflows.

Cores
4
Threads
8
SMP CPUs
1
⏱️

i7-940 Clock Speeds

Base and boost frequencies

Clock speed is a critical factor in Core i7-940 benchmark performance, measured in GHz. The base clock represents the guaranteed operating frequency, while the boost clock indicates maximum single-core performance under optimal conditions. Higher clock speeds translate to faster single-threaded performance, which is essential for gaming and applications that don't fully utilize multiple cores. The Core i7-940 by Intel can dynamically adjust its frequency based on workload and thermal headroom.

Base Clock
2.93 GHz
Boost Clock
3.2 GHz
Multiplier
22x
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Intel's Core i7-940 Cache Hierarchy

L1, L2, L3 cache sizes

Cache memory is ultra-fast storage built directly into the i7-940 processor die. L1 cache provides the fastest access for frequently used data, while L2 and L3 caches offer progressively larger storage with slightly higher latency. Larger cache sizes significantly improve CPU benchmark scores by reducing memory access times. The Core i7-940's cache configuration is optimized for both gaming performance and productivity workloads, minimizing data fetch delays during intensive computations.

L1 Cache
64 KB (per core)
L2 Cache
256 KB (per core)
L3 Cache
8 MB (shared)
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Nehalem Architecture & Process

Manufacturing and design details

The Intel Core i7-940 is built on Intel's 45 nm manufacturing process, which determines power efficiency and thermal characteristics. Smaller process nodes allow for more transistors in the same space, enabling higher performance per watt. The architecture defines how the processor handles instructions and manages data flow, directly impacting benchmark results across different workload types. Modern CPU architectures like the one in i7-940 incorporate advanced branch prediction and out-of-order execution for optimal performance.

Architecture
Nehalem
Codename
Bloomfield
Process Node
45 nm
Foundry
Intel
Transistors
731 million
Die Size
263 mmΒ²
Generation
Core i7 (Bloomfield)
πŸ”’

Nehalem Instruction Set Features

Supported CPU instructions and extensions

The Core i7-940 by Intel supports various instruction set extensions that enable optimized performance for specific workloads. SIMD instructions like SSE and AVX accelerate multimedia, scientific computing, and AI workloads by processing multiple data points simultaneously. Features like AES-NI provide hardware-accelerated encryption, while AVX-512 (if supported) enables advanced vector processing for data centers and high-performance computing. These instruction sets are critical for software compatibility and performance in modern applications.

MMX
SSE
SSE2
SSE3
SSSE3
SSE4.1
SSE4.2
Intel 64
VT-x
πŸ”Œ

i7-940 Power & Thermal

TDP and power specifications

The Intel Core i7-940 has a TDP (Thermal Design Power) of 130W, indicating the cooling solution required for sustained operation. TDP affects both system power consumption and the type of cooler needed. Lower TDP processors are ideal for compact builds and laptops, while higher TDP chips typically offer better sustained performance in demanding CPU benchmarks. Understanding power requirements helps ensure your system can deliver consistent performance without thermal throttling.

TDP
130W
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Intel Socket 1366 Platform & Socket

Compatibility information

The Core i7-940 uses the Intel Socket 1366 socket, which determines motherboard compatibility. Choosing the right platform is essential for building a system around this processor. The socket type also influences available features like PCIe lanes, memory support, and upgrade paths. When comparing CPU benchmarks, ensure you're looking at processors compatible with your existing or planned motherboard to make informed purchasing decisions.

Socket
Intel Socket 1366
PCIe
Gen 2
Package
FC-LGA8
DDR5

Intel Socket 1366 Memory Support

RAM compatibility and speeds

Memory support specifications for the i7-940 define which RAM types and speeds are compatible. Faster memory can significantly improve CPU benchmark performance, especially in memory-intensive applications and gaming. The memory controller integrated into the Core i7-940 determines maximum supported speeds and channels. Dual-channel or quad-channel memory configurations can double or quadruple memory bandwidth, providing noticeable performance gains in content creation and scientific workloads.

Memory Type
DDR3
Memory Bus
Triple-channel
πŸ“¦

Core i7-940 Product Information

Release and pricing details

The Intel Core i7-940 is manufactured by Intel and represents their commitment to delivering competitive CPU performance. Understanding the release date and pricing helps contextualize benchmark comparisons with other processors from the same generation. Launch pricing provides a baseline for evaluating value, though street prices often differ. Whether you're building a new system or upgrading, the Core i7-940 by Intel offers a specific balance of performance, features, and cost within Intel's product lineup.

Manufacturer
Intel
Release Date
Nov 2008
Market
Desktop
Status
End-of-life
Part Number
SLBCK

Core i7-940 Benchmark Scores

cinebench_cinebench_r15_multicoreSource

Cinebench R15 multi-core renders a complex 3D scene using all CPU threads simultaneously. This test reveals how Intel Core i7-940 performs in parallel rendering workloads.

cinebench_cinebench_r15_multicore #1403 of 1788
259
2%
Max: 14,978
Compare with other CPUs

cinebench_cinebench_r20_multicoreSource

Cinebench R20 multi-core uses a scene requiring 4x more computational power than R15. This test better reflects modern CPU capabilities for professional rendering on Intel Core i7-940. The more demanding workload provides better differentiation between current-generation processors. Content creators and 3D artists use this benchmark to estimate real-world render performance.

cinebench_cinebench_r20_multicore #1403 of 1788
1,081
2%
Max: 62,412
Compare with other CPUs

cinebench_cinebench_r20_singlecoreSource

Cinebench R20 single-core tests one thread against a more demanding scene than R15. This reveals the true single-thread rendering capability of Intel Core i7-940. The increased complexity provides more accurate performance differentiation between modern CPUs. Single-thread performance remains critical for gaming and applications with serial bottlenecks.

cinebench_cinebench_r20_singlecore #1402 of 1784
152
2%
Max: 8,811

cinebench_cinebench_r23_multicoreSource

Cinebench R23 multi-core is the current standard for CPU rendering benchmarks with a 10-minute minimum runtime. This extended test reveals sustained performance of Intel Core i7-940 after thermal limits kick in. The longer duration exposes cooling limitations that shorter benchmarks miss. Professional users rely on R23 scores to predict real-world rendering performance under sustained workloads.

cinebench_cinebench_r23_multicore #1403 of 1788
2,574
2%
Max: 148,601
Compare with other CPUs

πŸ† Top 5 Performers

cinebench_cinebench_r23_singlecoreSource

Cinebench R23 single-core measures sustained single-thread performance over 10 minutes. This reveals how Intel Core i7-940 maintains boost clocks under continuous load. The extended runtime shows whether thermal throttling affects single-core performance. This score is particularly important for understanding real-world responsiveness beyond initial boost behavior.

cinebench_cinebench_r23_singlecore #1402 of 1788
363
2%
Max: 20,979
Compare with other CPUs

About Intel Core i7-940

The Intel Core i7-940, a part of Intel's Bloomfield family, is built on a 45 nm process technology that delivers solid performance for its time. Featuring 4 cores and 8 threads, the Intel Core i7-940 is designed to handle multitasking and demanding applications with efficiency. Its base clock speed of 2.93 GHz, boosted up to 3.20 GHz with Turbo, ensures responsive performance for gaming, creative workloads, and more. The platform uses an Intel Socket 1366 socket, making it compatible with select high-end motherboards from its era. With 8 MB of shared L3 cache, the Intel Core i7-940 allows faster data access, boosting overall system responsiveness. Released back in November 2008, this CPU marked a significant upgrade for users looking to elevate their multi-core computing capabilities. Benchmark data highlights the Intel Core i7-940's solid multicore and single-core performance, with scores like 2,574 points in Cinebench R23 multicore tests. This puts the Intel Core i7-940 ahead in performance for tasks that leverage multiple cores, while still maintaining decent single-core results, such as 363 points in Cinebench R23 single-core. Users aiming for a future-proof setup should consider the TDP of 130W, which impacts cooling and power requirements for the Intel Core i7-940. Market segments targeting gamers and creative professionals alike benefit from its robust specs, though it’s worth noting that newer CPUs have since surpassed its performance metrics. Upgrading to an Intel Core i7-940 requires compatibility checks but rewards users with a high-performance processor for its era, making the Intel Core i7-940 a notable choice for enthusiasts.

The AMD Equivalent of Core i7-940

Looking for a similar processor from AMD? The AMD Ryzen 7 1700 offers comparable performance and features in the AMD lineup.

AMD Ryzen 7 1700

AMD β€’ 8 Cores

View Specs Compare

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