Radeon Sky 900 vs GeForce GTX 770

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Primary details

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

Place in the ranking346not rated
Place by popularitynot in top-100not in top-100
Cost-effectiveness evaluation4.29no data
Power efficiency4.58no data
ArchitectureKepler (2012−2018)GCN 1.0 (2011−2020)
GPU code nameGK104Tahiti
Market segmentDesktopWorkstation
Release date30 May 2013 (11 years ago)27 March 2013 (11 years ago)
Launch price (MSRP)$399 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 cores15363584
Core clock speed1046 MHz825 MHz
Boost clock speed1085 MHz950 MHz
Number of transistors3,540 million4,313 million
Manufacturing process technology28 nm28 nm
Power consumption (TDP)230 Watt300 Watt
Maximum GPU temperature98 °Cno data
Texture fill rate138.9106.4
Floating-point processing power3.333 TFLOPS3.405 TFLOPS
ROPs3232
TMUs128112

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).

Bus supportPCI Express 3.0PCIe 3.0
InterfacePCIe 3.0 x16PCIe 3.0 x16
Length267 mm305 mm
Height4.376" (11.1 cm)no data
Width2-slot2-slot
Form factorno datafull height / full length
Minimum recommended system power600 Wattno data
Supplementary power connectors1x 6-pin + 1x 8-pin2x 8-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 amount2 GB6 GB
Memory bus width256 Bit384 Bit
Memory clock speed1753 MHz1250 MHz
Memory bandwidth224.3 GB/s480 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 ConnectorsOne Dual Link DVI-I, One Dual Link DVI-D, One HDMI, One DisplayPort1x DVI, 1x mini-DisplayPort
Multi monitor support4 displaysno data
HDMI+-
HDCP+-
Maximum VGA resolution2048x1536no data
Dual-link DVI support-+
Audio input for HDMIInternalno data

Supported technologies

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

Blu Ray 3D+-
3D Gaming+-
3D Vision+-
PhysX+-
3D Vision Live+-

API compatibility

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

DirectX12 (11_0)12 (11_1)
Shader Model5.15.1
OpenGL4.34.6
OpenCL1.21.2
Vulkan1.1.1261.2.131
CUDA+-

Pros & cons summary


Recency 30 May 2013 27 March 2013
Maximum RAM amount 2 GB 6 GB
Power consumption (TDP) 230 Watt 300 Watt

GTX 770 has an age advantage of 2 months, and 30.4% lower power consumption.

Sky 900, on the other hand, has a 200% higher maximum VRAM amount.

We couldn't decide between GeForce GTX 770 and Radeon Sky 900. We've got no test results to judge.

Be aware that GeForce GTX 770 is a desktop card while Radeon Sky 900 is a workstation one.


Should you still have questions concerning choice between the reviewed GPUs, ask them in Comments section, and we shall answer.

Vote for your favorite

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NVIDIA GeForce GTX 770
GeForce GTX 770
AMD Radeon Sky 900
Radeon Sky 900

Comparisons with similar GPUs

We selected several comparisons of graphics cards with performance close to those reviewed, providing you with more options to consider.

Community ratings

Here you can see the user ratings of the compared graphics cards, as well as rate them yourself.


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Questions & comments

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