NVIDIA started Tesla K20Xm sales 12 November 2012 at a recommended price of $7,699 . This is a Kepler architecture desktop card based on 28 nm manufacturing process and primarily aimed at designers. 6 GB of GDDR5 memory clocked at 5.2 GHz are supplied, and together with 384 Bit memory interface this creates a bandwidth of 249.6 GB/s.

Compatibility-wise, this is dual-slot card attached via PCIe 3.0 x16 interface. Its manufacturer default version has a length of 267 mm. No additional power connector is required, and power consumption is at 235 Watt.

Primary details

Some basic facts about Tesla K20Xm: architecture, market segment, release date etc.

Place in performance ranking	496
Place by popularity	not in top-100
Architecture	Kepler (2012−2018)
GPU code name	GK110
Market segment	Workstation
Release date	12 November 2012 (11 years ago)
Launch price (MSRP)	$7,699

Detailed specifications

Tesla K20Xm's specs such as number of shaders, GPU base clock, manufacturing process, texturing and calculation speed. These parameters indirectly speak of Tesla K20Xm's performance, but for precise assessment you have to consider its benchmark and gaming test results.

Pipelines / CUDA cores	2688	of 20480 (Data Center GPU Max NEXT)
Core clock speed	732 MHz	of 2610 (Radeon RX 6500 XT)
Number of transistors	7,080 million	of 14400 (GeForce GTX 1080 SLI Mobile)
Manufacturing process technology	28 nm	of 4 (H100 PCIe)
Power consumption (TDP)	235 Watt	of 2400 (Data Center GPU Max Subsystem)
Texture fill rate	164.0	of 969.9 (H100 SXM5 96 GB)
Floating-point performance	3,935 gflops	of 16384 (Radeon Pro Duo)

Form factor & compatibility

This section provides details about the physical dimensions of Tesla K20Xm and its compatibility with other computer components. This information is useful when selecting a computer configuration or upgrading an existing one. For desktop graphics cards, it includes details about the interface and bus (for motherboard compatibility) and additional power connectors (for power supply compatibility).

Interface	PCIe 3.0 x16
Length	267 mm
Width	2-slot

VRAM capacity and type

Parameters of memory installed on Tesla K20Xm: its type, size, bus, clock and resulting bandwidth. Note that GPUs integrated into processors have no dedicated memory and use a shared part of system RAM instead.

Memory type	GDDR5
Maximum RAM amount	6 GB	of 192 (Radeon Instinct MI300X)
Memory bus width	384 Bit	of 8192 (Radeon Instinct MI250X)
Memory clock speed	5200 MHz	of 23000 (GeForce RTX 4080 SUPER)
Memory bandwidth	249.6 GB/s	of 3276 (Aldebaran)

Connectivity and outputs

Types and number of video connectors present on Tesla K20Xm. As a rule, this section is relevant only for desktop reference graphics cards, since for notebook ones the availability of certain video outputs depends on the laptop model, while non-reference desktop models can (though not necessarily will) bear a different set of video ports.

Display Connectors

No outputs

API compatibility

APIs supported by Tesla K20Xm, sometimes including their particular versions.

DirectX	12 (11_0)
Shader Model	5.1
OpenGL	4.6
OpenCL	1.2
Vulkan	1.1.126
CUDA	3.5

Benchmark performance

Synthetic benchmark performance of Tesla K20Xm. The combined score is measured on a 0-100 point scale.

Combined synthetic benchmark score

This is our combined benchmark performance 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 K20Xm 7.54

Passmark

This is the most ubiquitous GPU benchmark, part of Passmark PerformanceTest suite. 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.

Benchmark coverage: 25%

Tesla K20Xm 2917

GeekBench 5 Metal

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 Metal API by Apple.

Benchmark coverage: 0%

Tesla K20Xm 8035

Gaming performance

Let's see how good Tesla K20Xm is for gaming. Particular gaming benchmark results are measured in frames per second. Comparisons with game system requirements are included, but remember that sometimes official requirements may reflect reality inaccurately.