ATI Radeon DDR vs Tesla K8

Primary details

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

Place in the ranking460not rated
Place by popularitynot in top-100not in top-100
Power efficiency6.72no data
ArchitectureKepler (2012−2018)Rage 6 (2000−2007)
GPU code nameGK104Rage 6
Market segmentWorkstationDesktop
Release date16 September 2014 (10 years ago)1 April 2000 (24 years ago)

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 cores1536no data
Core clock speed693 MHz166 MHz
Boost clock speed811 MHzno data
Number of transistors3,540 million30 million
Manufacturing process technology28 nm180 nm
Power consumption (TDP)100 Watt23 Watt
Texture fill rate103.81
Floating-point processing power2.491 TFLOPSno data
ROPs322
TMUs1286

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 x16AGP 4x
Length241 mmno data
Width1-slot1-slot
Supplementary power connectors1x 6-pinNone

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 amount8 GB32 MB
Memory bus width256 Bit128 Bit
Memory clock speed1250 MHz166 MHz
Memory bandwidth160.0 GB/s5.312 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 VGA

API compatibility

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

DirectX12 (11_0)7.0
Shader Model5.1no data
OpenGL4.61.3
OpenCL1.2N/A
Vulkan1.1.126N/A
CUDA3.0-

Pros & cons summary


Recency 16 September 2014 1 April 2000
Maximum RAM amount 8 GB 32 MB
Chip lithography 28 nm 180 nm
Power consumption (TDP) 100 Watt 23 Watt

Tesla K8 has an age advantage of 14 years, a 25500% higher maximum VRAM amount, and a 542.9% more advanced lithography process.

ATI DDR, on the other hand, has 334.8% lower power consumption.

We couldn't decide between Tesla K8 and Radeon DDR. We've got no test results to judge.

Be aware that Tesla K8 is a workstation graphics card while Radeon DDR 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 K8
Tesla K8
ATI Radeon DDR
Radeon DDR

Comparisons with similar GPUs

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Community ratings

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4.5 4 votes

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Questions & comments

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