NVIDIA GK20A vs AMD Radeon HD 6930

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General info

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

Place in performance ranking503not rated
Place by popularitynot in top-100not in top-100
ArchitectureTeraScale 3 (2010−2013)Kepler 2.0 (2013−2015)
GPU code nameCaymanGK20A
Market segmentDesktopDesktop
Release date1 December 2011 (12 years old)no data
Launch price (MSRP)$180 no data
Current price$11.99 (0.1x MSRP)no data

Technical specs

General performance parameters such as number of shaders, GPU core base clock and boost clock speeds, manufacturing process, texturing and calculation speed. These parameters indirectly speak of performance, but for precise assessment you have to consider their benchmark and gaming test results. Note that power consumption of some graphics cards can well exceed their nominal TDP, especially when overclocked.

Pipelines / CUDA cores1280192
Core clock speed750 MHzno data
Number of transistors2,640 millionno data
Manufacturing process technology40 nm28 nm
Power consumption (TDP)186 Wattno data
Texture fill rate60.00no data
Floating-point performance1,920.0 gflopsno data

Size and 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 x16no data
Length220 mmno data
Width2-slotno data
Supplementary power connectors2x 6-pinno data

Memory

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 typeGDDR5no data
Maximum RAM amount1 GBno data
Memory bus width256 Bitno data
Memory clock speed4800 MHzno data
Memory bandwidth153.6 GB/sno data

Video outputs and ports

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 Connectors2x DVI, 1x HDMI, 2x mini-DisplayPortno data
HDMI+no data

Technologies

Supported technological solutions. This information will prove useful if you need some particular technology for your purposes.

PureVideo HDno dataVP5

API support

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

DirectX11.2 (11_0)12 (11_0)
Shader Model5.06.5 (5.1)
OpenGL4.4ES 3.1
OpenCL1.2N/A
VulkanN/A1.3
CUDAno data3.2

Advantages and disadvantages


Chip lithography 40 nm 28 nm

We couldn't decide between Radeon HD 6930 and GK20A. 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.

User ratings

Do you think we are right or mistaken in our choice? Vote by clicking "Like" button near your favorite graphics card.


AMD Radeon HD 6930
Radeon HD 6930
NVIDIA GK20A
GK20A

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Questions and comments

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