ATI FirePro V8800 vs Tesla K20X

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Primary details

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

Place in the rankingnot ratednot rated
Place by popularitynot in top-100not in top-100
ArchitectureKepler (2012−2018)TeraScale 2 (2009−2015)
GPU code nameGK110Cypress
Market segmentWorkstationWorkstation
Release date12 November 2012 (11 years ago)7 April 2010 (14 years ago)
Launch price (MSRP)$7,699 $1,499

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 cores26881600
Core clock speed732 MHz825 MHz
Number of transistors7,080 million2,154 million
Manufacturing process technology28 nm40 nm
Power consumption (TDP)235 Watt208 Watt
Texture fill rate164.066.00
Floating-point processing power3.935 TFLOPS2.64 TFLOPS
ROPs4832
TMUs22480

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 2.0 x16
Length267 mm267 mm
Width2-slot2-slot
Supplementary power connectors1x 6-pin + 1x 8-pin2x 6-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 typeGDDR5GDDR5
Maximum RAM amount6 GB2 GB
Memory bus width384 Bit256 Bit
Memory clock speed1300 MHz1150 MHz
Memory bandwidth249.6 GB/s147.2 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 outputs4x DisplayPort, 1x S-Video

API compatibility

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

DirectX12 (11_0)11.2 (11_0)
Shader Model5.15.0
OpenGL4.64.4
OpenCL1.21.2
Vulkan1.1.126N/A
CUDA3.5-

Pros & cons summary


Recency 12 November 2012 7 April 2010
Maximum RAM amount 6 GB 2 GB
Chip lithography 28 nm 40 nm
Power consumption (TDP) 235 Watt 208 Watt

Tesla K20X has an age advantage of 2 years, a 200% higher maximum VRAM amount, and a 42.9% more advanced lithography process.

ATI V8800, on the other hand, has 13% lower power consumption.

We couldn't decide between Tesla K20X and FirePro V8800. We've got no test results to judge.


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 K20X
Tesla K20X
ATI FirePro V8800
FirePro V8800

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Community ratings

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