Tesla K40t vs ATI Mobility Radeon HD 4550

Primary details

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

Place in the ranking1300not rated
Place by popularitynot in top-100not in top-100
ArchitectureTerascale 1 (2010)Kepler (2012−2018)
GPU code nameM92GK110B
Market segmentLaptopWorkstation
Release date1 January 2010 (14 years ago)22 November 2013 (11 years ago)
Launch price (MSRP)no data$7,699

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 cores802880
Core clock speed550 MHz745 MHz
Boost clock speedno data876 MHz
Number of transistors242 million7,080 million
Manufacturing process technology55 nm28 nm
Power consumption (TDP)no data245 Watt
Texture fill rate4.400210.2
Floating-point processing power0.088 TFLOPS5.046 TFLOPS
ROPs448
TMUs8240

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).

InterfaceMXM-IIPCIe 3.0 x16
Lengthno data267 mm
Widthno data2-slot
Supplementary power connectorsNoneno data

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 typeGDDR3, DDR2, DDR3GDDR5
Maximum RAM amount512 MB12 GB
Memory bus width64 Bit384 Bit
Memory clock speed700 MHz1502 MHz
Memory bandwidth11.2 GB/s288.4 GB/s
Shared memory--

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 outputsNo outputs

API compatibility

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

DirectX10.1 (10_1)12 (11_1)
Shader Model4.15.1
OpenGL3.34.6
OpenCL1.11.2
VulkanN/A1.1.126
CUDA-3.5

Pros & cons summary


Recency 1 January 2010 22 November 2013
Maximum RAM amount 512 MB 12 GB
Chip lithography 55 nm 28 nm

Tesla K40t has an age advantage of 3 years, a 2300% higher maximum VRAM amount, and a 96.4% more advanced lithography process.

We couldn't decide between Mobility Radeon HD 4550 and Tesla K40t. We've got no test results to judge.

Be aware that Mobility Radeon HD 4550 is a notebook card while Tesla K40t 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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ATI Mobility Radeon HD 4550
Mobility Radeon HD 4550
NVIDIA Tesla K40t
Tesla K40t

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