Tesla K20m vs Radeon R5 230 OEM

Primary details

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

Place in the rankingnot rated413
Place by popularitynot in top-100not in top-100
Cost-effectiveness evaluationno data0.59
Power efficiencyno data3.53
ArchitectureTeraScale 2 (2009−2015)Kepler (2012−2018)
GPU code nameCaicosGK110
Market segmentDesktopWorkstation
Release date21 December 2013 (10 years ago)5 January 2013 (11 years ago)
Launch price (MSRP)no data$3,199

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 cores1602496
Core clock speed625 MHz706 MHz
Number of transistors370 million7,080 million
Manufacturing process technology40 nm28 nm
Power consumption (TDP)19 Watt225 Watt
Texture fill rate5.000146.8
Floating-point processing power0.2 TFLOPS3.524 TFLOPS
ROPs440
TMUs8208

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).

InterfacePCIe 2.0 x16PCIe 2.0 x16
Length168 mm267 mm
Width1-slot2-slot
Supplementary power connectorsNone1x 6-pin + 1x 8-pin

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 typeDDR3GDDR5
Maximum RAM amount1 GB5 GB
Memory bus width64 Bit320 Bit
Memory clock speed667 MHz1300 MHz
Memory bandwidth10.67 GB/s208.0 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 Connectors1x DVI, 1x HDMI, 1x VGANo outputs
HDMI+-

API compatibility

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

DirectX11.2 (11_0)12 (11_0)
Shader Model5.05.1
OpenGL4.44.6
OpenCL1.21.2
VulkanN/A1.1.126
CUDA-3.5

Pros & cons summary


Recency 21 December 2013 5 January 2013
Maximum RAM amount 1 GB 5 GB
Chip lithography 40 nm 28 nm
Power consumption (TDP) 19 Watt 225 Watt

R5 230 OEM has an age advantage of 11 months, and 1084.2% lower power consumption.

Tesla K20m, on the other hand, has a 400% higher maximum VRAM amount, and a 42.9% more advanced lithography process.

We couldn't decide between Radeon R5 230 OEM and Tesla K20m. We've got no test results to judge.

Be aware that Radeon R5 230 OEM is a desktop card while Tesla K20m is a workstation one.


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

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AMD Radeon R5 230 OEM
Radeon R5 230 OEM
NVIDIA Tesla K20m
Tesla K20m

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Community ratings

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3.4 19 votes

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3.3 17 votes

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Questions & comments

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