Tesla K40s vs GeForce GTX TITAN X

Primary details

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

Place in the ranking	158	not rated
Place by popularity	not in top-100	not in top-100
Cost-effectiveness evaluation	8.13	no data
Power efficiency	9.32	no data
Architecture	Maxwell 2.0 (2014−2019)	Kepler (2012−2018)
GPU code name	GM200	GK110B
Market segment	Desktop	Workstation
Release date	17 March 2015 (9 years ago)	22 November 2013 (11 years ago)
Launch price (MSRP)	$999	$7,699

Cost-effectiveness evaluation

Performance to price ratio. The higher, the better.

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 cores	3072	2880
Core clock speed	1000 MHz	745 MHz
Boost clock speed	1075 MHz	876 MHz
Number of transistors	8,000 million	7,080 million
Manufacturing process technology	28 nm	28 nm
Power consumption (TDP)	250 Watt	245 Watt
Texture fill rate	209.1	210.2
Floating-point processing power	6.691 TFLOPS	5.046 TFLOPS
ROPs	96	48
TMUs	192	240

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 support	PCI Express 3.0	no data
Interface	PCIe 3.0 x16	PCIe 3.0 x16
Length	267 mm	267 mm
Height	4.376" (11.1 cm)	no data
Width	2-slot	2-slot
Recommended system power (PSU)	600 Watt	no data
Supplementary power connectors	1x 6-pin + 1x 8-pin	no data
SLI options	4x	-

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 type	GDDR5	GDDR5
Maximum RAM amount	12 GB	12 GB
Memory bus width	384 Bit	384 Bit
Memory clock speed	7.0 GB/s	1502 MHz
Memory bandwidth	336.5 GB/s	288.4 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 Connectors	Dual Link DVI-I, HDMI 2.0, 3x DisplayPort 1.2	No outputs
Multi monitor support	4 displays	no data
HDMI	+	-
HDCP	+	-
Maximum VGA resolution	2048x1536	no data
Audio input for HDMI	Internal	no data

Supported technologies

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

GameStream	+	-
GeForce ShadowPlay	+	-
GPU Boost	2.0	no data
GameWorks	+	-

API compatibility

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

DirectX	12 (12_1)	12 (11_1)
Shader Model	6.4	5.1
OpenGL	4.5	4.6
OpenCL	1.2	1.2
Vulkan	1.1.126	1.1.126
CUDA	5.2	3.5

Pros & cons summary

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Recency	17 March 2015	22 November 2013
Power consumption (TDP)	250 Watt	245 Watt

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