Nvidia GeForce GTX 660 Ti vs Nvidia GeForce GTX 680M

Nvidia GeForce GTX 660 Ti on Amazon USA
Nvidia GeForce GTX 680M on Amazon USA

Comparison of the technical characteristics between the graphics cards, with Nvidia GeForce GTX 660 Ti on one side and Nvidia GeForce GTX 680M on the other side, also their respective performances with the benchmarks. The first is dedicated to the desktop sector, it has 1344 shading units, a maximum frequency of 1.0 GHz, its lithography is 28 nm. The second is used on the laptop segment, it includes 1344 shading units, a maximum frequency of 0.8 GHz, its lithography is 28 nm. The following table also compares the boost clock, the number of shading units (if indicated), of execution units, the amount of cache memory, the maximum memory capacity, the memory bus width, the release date, the number of PCIe lanes, the values ​​obtained in various benchmarks.

Specification comparison:

Graphics card Nvidia GeForce GTX 660 Ti Nvidia GeForce GTX 680M
Market (main) Desktop Laptop
Release date Q3 2012 Q2 2012
Model number GK104-300-KD-A2 N13E-GTX-A2
GPU name GK104 GK104
Architecture Kepler Kepler
Generation GeForce 600 GeForce 600M
Lithography 28 nm 28 nm
Transistors 3,540,000,000 3,540,000,000
Bus interface PCIe 3.0 x16 MXM-B (3.0)
GPU base clock 915 MHz 719 MHz
GPU boost clock 980 MHz 758 MHz
Memory frequency 1,502 MHz 900 MHz
Effective memory speed 6 Gbps 3.6 Gbps
Memory size 2 GB 4 GB
Memory type GDDR5 GDDR5
Memory bus 192 bit 256 bit
Memory bandwidth 144.2 GB/s 115.2 GB/s
TDP 150 W 100 W
Cores (compute units, SM, SMX) 7 7
Shading units (cuda cores) 1,344 1,344
TMUs 112 112
ROPs 24 32
Cache memory 384 KB 512 KB
Pixel fillrate 27.4 GP/s 21.2 GP/s
Texture fillrate 109.8 GT/s 84.9 GT/s
Performance FP32 (float) 2.6 TFLOPS 2.0 TFLOPS
Performance FP64 (double) 109.8 GFLOPS 84.9 GFLOPS

Price: For technical reasons, we cannot currently display a price less than 24 hours, or a real-time price. This is why we prefer for the moment not to show a price. You should refer to the respective online stores for the latest price, as well as availability.

We can better compare what are the technical differences between the two graphics cards.

Performance comparison with the benchmarks:

Performance comparison between the two processors, for this we consider the results generated on benchmark software such as Geekbench.

FP32 Performance in GFLOPS
Nvidia GeForce GTX 660 Ti 2,634
Nvidia GeForce GTX 680M 2,038

The difference is 29%.

Single-precision floating-point format, also called FP32, is a computer number format that typically occupies 32 bits in PC memory. This represents a wide dynamic range of numeric values that employs a floating point. FP32 power helps assess the video card's capabilities for generating rendering workloads. Video games use INT32 and FP32 cores to manage calculations with integers and numbers with decimals in order to produce maps, bone matrices on which the vertex shaders will calculate the vertices. Values in single precision format are mainly used in video games and 3D software.

See also:

Nvidia GeForce GTX 680Nvidia GeForce GTX 680MX


Nvidia GeForce GTX 660 Ti AMD EquivalentNvidia GeForce GTX 680M AMD Equivalent

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