GeForce GT 520 PCIe x1 vs Radeon HD 7770M

Primary details

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

Place in the ranking722not rated
Place by popularitynot in top-100not in top-100
Power efficiency7.44no data
ArchitectureGCN 1.0 (2011−2020)Fermi 2.0 (2010−2014)
GPU code nameChelseaGF119
Market segmentLaptopDesktop
Release date24 April 2012 (12 years ago)13 April 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 cores51248
Core clock speed675 MHz810 MHz
Number of transistors1,500 million292 million
Manufacturing process technology28 nm40 nm
Power consumption (TDP)32 Watt29 Watt
Texture fill rate21.606.480
Floating-point processing power0.6912 TFLOPS0.1555 TFLOPS
ROPs164
TMUs328

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).

Laptop sizemedium sizedno data
InterfacePCIe 2.0 x16PCIe 2.0 x1
Lengthno data152 mm
Widthno data1-slot
Supplementary power connectorsno dataNone

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 typeGDDR5DDR3
Maximum RAM amount1 GB1 GB
Memory bus width128 Bit64 Bit
Memory clock speed1000 MHz900 MHz
Memory bandwidth64 GB/s14.4 GB/s
Shared memory-no data

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 DVI, 1x HDMI, 1x VGA
HDMI-+

API compatibility

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

DirectX12 (11_1)12 (11_0)
Shader Model5.15.1
OpenGL4.64.6
OpenCL1.21.1
Vulkan1.2.131N/A
CUDA-2.1

Pros & cons summary


Recency 24 April 2012 13 April 2011
Chip lithography 28 nm 40 nm
Power consumption (TDP) 32 Watt 29 Watt

HD 7770M has an age advantage of 1 year, and a 42.9% more advanced lithography process.

GT 520 PCIe x1, on the other hand, has 10.3% lower power consumption.

We couldn't decide between Radeon HD 7770M and GeForce GT 520 PCIe x1. We've got no test results to judge.

Be aware that Radeon HD 7770M is a notebook card while GeForce GT 520 PCIe x1 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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AMD Radeon HD 7770M
Radeon HD 7770M
NVIDIA GeForce GT 520 PCIe x1
GeForce GT 520 PCIe x1

Comparisons with similar GPUs

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Community ratings

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4.3 7 votes

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Questions & comments

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