GeForce GTX 660 vs Tesla K80

VS

Aggregate performance score

We've compared Tesla K80 with GeForce GTX 660, including specs and performance data.

Tesla K80
2014
12 GB GDDR5, 300 Watt
15.19
+46.1%

Tesla K80 outperforms GTX 660 by a considerable 46% based on our aggregate benchmark results.

Primary details

GPU architecture, market segment, value for money and other general parameters compared.

Place in the ranking350439
Place by popularitynot in top-10076
Cost-effectiveness evaluationno data3.42
Power efficiency3.475.09
ArchitectureKepler 2.0 (2013−2015)Kepler (2012−2018)
GPU code nameGK210GK106
Market segmentWorkstationDesktop
Release date17 November 2014 (10 years ago)6 September 2012 (12 years ago)
Launch price (MSRP)no data$229

Cost-effectiveness evaluation

Performance to price ratio. The higher, the better.

no data

Detailed specifications

General parameters such as number of shaders, GPU core base clock and boost clock speeds, manufacturing process, texturing and calculation speed. Note that power consumption of some graphics cards can well exceed their nominal TDP, especially when overclocked.

Pipelines / CUDA cores2496960
Core clock speed562 MHz980 MHz
Boost clock speed824 MHz1033 MHz
Number of transistors7,100 million2,540 million
Manufacturing process technology28 nm28 nm
Power consumption (TDP)300 Watt140 Watt
Texture fill rate171.482.56
Floating-point processing power4.113 TFLOPS1.981 TFLOPS
ROPs4824
TMUs20880

Form factor & compatibility

Information on compatibility with other computer components. Useful when choosing a future computer configuration or upgrading an existing one. For desktop graphics cards it's interface and bus (motherboard compatibility), additional power connectors (power supply compatibility).

Bus supportno dataPCI Express 3.0
InterfacePCIe 3.0 x16PCIe 3.0 x16
Length267 mm241 mm
Heightno data4.376" (11.1 cm)
Width2-slot2-slot
Supplementary power connectors1x 8-pin1x 6-pin
SLI options-+

VRAM capacity and type

Parameters of VRAM installed: its type, size, bus, clock and resulting bandwidth. Integrated GPUs have no dedicated video RAM and use a shared part of system RAM.

Memory typeGDDR5GDDR5
Maximum RAM amount12 GB2 GB
Memory bus width384 Bit192-bit GDDR5
Memory clock speed1253 MHz6.0 GB/s
Memory bandwidth240.6 GB/s144.2 GB/s

Connectivity and outputs

Types and number of video connectors present on the reviewed GPUs. As a rule, data in this section is precise only for desktop reference ones (so-called Founders Edition for NVIDIA chips). OEM manufacturers may change the number and type of output ports, while for notebook cards availability of certain video outputs ports depends on the laptop model rather than on the card itself.

Display ConnectorsNo outputsOne Dual Link DVI-I, One Dual Link DVI-D, One HDMI, One DisplayPort
Multi monitor supportno data4 displays
HDMI-+
HDCP-+
Maximum VGA resolutionno data2048x1536
Audio input for HDMIno dataInternal

Supported technologies

Supported technological solutions. This information will prove useful if you need some particular technology for your purposes.

3D Blu-Ray-+
3D Gaming-+
3D Vision-+

API compatibility

List of supported 3D and general-purpose computing APIs, including their specific versions.

DirectX12 (11_1)12 (11_0)
Shader Model5.15.1
OpenGL4.64.3
OpenCL1.21.2
Vulkan1.1.1261.1.126
CUDA3.7+

Synthetic benchmark performance

Non-gaming benchmark results comparison. The combined score is measured on a 0-100 point scale.


Combined synthetic benchmark score

This is our combined benchmark score. We are regularly improving our combining algorithms, but if you find some perceived inconsistencies, feel free to speak up in comments section, we usually fix problems quickly.

Tesla K80 15.19
+46.1%
GTX 660 10.40

Passmark

This is the most ubiquitous GPU benchmark. It gives the graphics card a thorough evaluation under various types of load, providing four separate benchmarks for Direct3D versions 9, 10, 11 and 12 (the last being done in 4K resolution if possible), and few more tests engaging DirectCompute capabilities.

Tesla K80 5852
+46.1%
GTX 660 4005

GeekBench 5 CUDA

Geekbench 5 is a widespread graphics card benchmark combined from 11 different test scenarios. All these scenarios rely on direct usage of GPU's processing power, no 3D rendering is involved. This variation uses CUDA API by NVIDIA.

Tesla K80 16063
+87.1%
GTX 660 8583

Gaming performance

Let's see how good the compared graphics cards are for gaming. Particular gaming benchmark results are measured in FPS.

Average FPS across all PC games

Here are the average frames per second in a large set of popular games across different resolutions:

Full HD65−70
+38.3%
47
−38.3%

Cost per frame, $

1080pno data4.87

Pros & cons summary


Performance score 15.19 10.40
Recency 17 November 2014 6 September 2012
Maximum RAM amount 12 GB 2 GB
Power consumption (TDP) 300 Watt 140 Watt

Tesla K80 has a 46.1% higher aggregate performance score, an age advantage of 2 years, and a 500% higher maximum VRAM amount.

GTX 660, on the other hand, has 114.3% lower power consumption.

The Tesla K80 is our recommended choice as it beats the GeForce GTX 660 in performance tests.

Be aware that Tesla K80 is a workstation graphics card while GeForce GTX 660 is a desktop one.


Should you still have questions concerning choice between the reviewed GPUs, ask them in Comments section, and we shall answer.

Vote for your favorite

Do you think we are right or mistaken in our choice? Vote by clicking "Like" button near your favorite graphics card.


NVIDIA Tesla K80
Tesla K80
NVIDIA GeForce GTX 660
GeForce GTX 660

Comparisons with similar GPUs

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Community ratings

Here you can see the user ratings of the compared graphics cards, as well as rate them yourself.


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Questions & comments

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