Radeon Sky 900 vs GeForce GTX 650

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Primary details

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

Place in the ranking659not rated
Place by popularity75not in top-100
Cost-effectiveness evaluation1.37no data
Power efficiency4.79no data
ArchitectureKepler (2012−2018)GCN 1.0 (2011−2020)
GPU code nameGK107Tahiti
Market segmentDesktopWorkstation
Release date6 September 2012 (12 years ago)27 March 2013 (11 years ago)
Launch price (MSRP)$109 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 cores3843584
Core clock speed1058 MHz825 MHz
Boost clock speedno data950 MHz
Number of transistors1,270 million4,313 million
Manufacturing process technology28 nm28 nm
Power consumption (TDP)64 Watt300 Watt
Texture fill rate33.86106.4
Floating-point processing power0.8125 TFLOPS3.405 TFLOPS
ROPs1632
TMUs32112

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
Length147 mm305 mm
Height4.38" (11.1 cm)no data
Width1-slot2-slot
Form factorno datafull height / full length
Supplementary power connectors1x 6-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 width128-bit GDDR5384 Bit
Memory clock speed5.0 GB/s1250 MHz
Memory bandwidth80.0 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 Mini HDMI1x 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.

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

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 6 September 2012 27 March 2013
Maximum RAM amount 2 GB 6 GB
Power consumption (TDP) 64 Watt 300 Watt

GTX 650 has 368.8% lower power consumption.

Sky 900, on the other hand, has an age advantage of 6 months, and a 200% higher maximum VRAM amount.

We couldn't decide between GeForce GTX 650 and Radeon Sky 900. We've got no test results to judge.

Be aware that GeForce GTX 650 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.

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NVIDIA GeForce GTX 650
GeForce GTX 650
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.


3.6 3893 votes

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Questions & comments

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