ATI FireMV 2250 PCIe x1 vs Tesla K20Xm

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Primary details

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

Place in the ranking523not rated
Place by popularitynot in top-100not in top-100
Cost-effectiveness evaluation0.10no data
Power efficiency2.23no data
ArchitectureKepler (2012−2018)Ultra-Threaded SE (2005−2007)
GPU code nameGK110RV516
Market segmentWorkstationDesktop
Release date12 November 2012 (11 years ago)2007 (17 years ago)
Launch price (MSRP)$7,699 no data

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 cores2688no data
Core clock speed732 MHz600 MHz
Number of transistors7,080 million105 million
Manufacturing process technology28 nm90 nm
Power consumption (TDP)235 Watt32 Watt
Texture fill rate164.02.400
Floating-point processing power3.935 TFLOPSno data
ROPs484
TMUs2244

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 x16PCIe 1.0 x1
Length267 mm170 mm
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 typeGDDR5DDR2
Maximum RAM amount6 GB256 MB
Memory bus width384 Bit128 Bit
Memory clock speed1300 MHz800 MBps
Memory bandwidth249.6 GB/s12.8 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 S-Video, 1x DMS-59

API compatibility

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

DirectX12 (11_0)9.0c (9_3)
Shader Model5.13.0
OpenGL4.62.1
OpenCL1.2N/A
Vulkan1.1.126N/A
CUDA3.5-

Pros & cons summary


Maximum RAM amount 6 GB 256 MB
Chip lithography 28 nm 90 nm
Power consumption (TDP) 235 Watt 32 Watt

Tesla K20Xm has a 2300% higher maximum VRAM amount, and a 221.4% more advanced lithography process.

ATI FireMV 2250 PCIe x1, on the other hand, has 634.4% lower power consumption.

We couldn't decide between Tesla K20Xm and FireMV 2250 PCIe x1. We've got no test results to judge.

Be aware that Tesla K20Xm is a workstation graphics card while FireMV 2250 PCIe x1 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 K20Xm
Tesla K20Xm
ATI FireMV 2250 PCIe x1
FireMV 2250 PCIe x1

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Community ratings

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