Tesla X2070 vs Radeon HD 6450 GDDR5

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Primary details

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

Place in the ranking1111not rated
Place by popularitynot in top-100not in top-100
Power efficiency2.46no data
ArchitectureTerascale 2 (2009−2015)Fermi 2.0 (2010−2014)
GPU code nameCaicosGF110
Market segmentDesktopWorkstation
Release date18 April 2011 (13 years ago)25 July 2011 (13 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 cores160512
Core clock speed750 MHz651 MHz
Number of transistorsno data3,000 million
Manufacturing process technology40 nm40 nm
Power consumption (TDP)27 Watt225 Watt
Texture fill rateno data41.66
Floating-point processing powerno data1.332 TFLOPS
ROPsno data48
TMUsno data64

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).

Interfaceno dataPCIe 2.0 x16
Widthno dataMXM Module

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 amount1 GB6 GB
Memory bus width64 Bit384 Bit
Memory clock speed900 MHz924 MHz
Memory bandwidthno data177.4 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 dataNo outputs

API compatibility

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

DirectX1112 (11_0)
Shader Modelno data5.1
OpenGLno data4.6
OpenCLno data1.1
Vulkan-N/A
CUDA-2.0

Pros & cons summary


Recency 18 April 2011 25 July 2011
Maximum RAM amount 1 GB 6 GB
Power consumption (TDP) 27 Watt 225 Watt

HD 6450 GDDR5 has 733.3% lower power consumption.

Tesla X2070, on the other hand, has an age advantage of 3 months, and a 500% higher maximum VRAM amount.

We couldn't decide between Radeon HD 6450 GDDR5 and Tesla X2070. We've got no test results to judge.

Be aware that Radeon HD 6450 GDDR5 is a desktop card while Tesla X2070 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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AMD Radeon HD 6450 GDDR5
Radeon HD 6450 GDDR5
NVIDIA Tesla X2070
Tesla X2070

Comparisons with similar GPUs

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Community ratings

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Questions & comments

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