ATI Radeon 9550 vs Tesla K40s

Primary details

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

Place in the rankingnot rated1455
Place by popularitynot in top-100not in top-100
ArchitectureKepler (2012−2018)Rage 8 (2002−2007)
GPU code nameGK110BRV350
Market segmentWorkstationDesktop
Release date22 November 2013 (11 years ago)1 October 2003 (21 year ago)
Launch price (MSRP)$7,699 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 cores2880no data
Core clock speed745 MHz250 MHz
Boost clock speed876 MHzno data
Number of transistors7,080 million60 million
Manufacturing process technology28 nm130 nm
Power consumption (TDP)245 Wattno data
Texture fill rate210.21.000
Floating-point processing power5.046 TFLOPSno data
ROPs484
TMUs2404

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 3.0 x16AGP 8x
Length267 mmno data
Width2-slot1-slot
Supplementary power connectorsno dataNone

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 typeGDDR5DDR
Maximum RAM amount12 GB64 MB
Memory bus width384 Bit128 Bit
Memory clock speed1502 MHz200 MHz
Memory bandwidth288.4 GB/s6.4 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 ConnectorsNo outputs1x DVI, 1x VGA, 1x S-Video

API compatibility

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

DirectX12 (11_1)9.0 (9_0)
Shader Model5.1no data
OpenGL4.62.0
OpenCL1.2N/A
Vulkan1.1.126N/A
CUDA3.5-

Pros & cons summary


Recency 22 November 2013 1 October 2003
Maximum RAM amount 12 GB 64 MB
Chip lithography 28 nm 130 nm

Tesla K40s has an age advantage of 10 years, a 19100% higher maximum VRAM amount, and a 364.3% more advanced lithography process.

We couldn't decide between Tesla K40s and Radeon 9550. We've got no test results to judge.

Be aware that Tesla K40s is a workstation graphics card while Radeon 9550 is a desktop 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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NVIDIA Tesla K40s
Tesla K40s
ATI Radeon 9550
Radeon 9550

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Community ratings

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