GeForce 820A vs Radeon HD 6770

VS

Aggregate performance score

We've compared Radeon HD 6770 with GeForce 820A, including specs and performance data.

HD 6770
2011
1 GB GDDR5, 108 Watt
3.24
+125%

HD 6770 outperforms 820A by a whopping 125% based on our aggregate benchmark results.

Primary details

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

Place in the ranking747995
Place by popularitynot in top-100not in top-100
Cost-effectiveness evaluation0.59no data
Power efficiency2.066.58
ArchitectureTeraScale 2 (2009−2015)Fermi 2.0 (2010−2014)
GPU code nameJuniperGF117
Market segmentDesktopLaptop
Designreferenceno data
Release date21 January 2011 (13 years ago)17 March 2014 (10 years ago)
Launch price (MSRP)$129 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 cores80096
Core clock speedno data775 MHz
Boost clock speed900 MHzno data
Number of transistors1,040 million585 million
Manufacturing process technology40 nm28 nm
Power consumption (TDP)108 Watt15 Watt
Texture fill rate34.0012.40
Floating-point processing power1.36 TFLOPS0.2976 TFLOPS
ROPs168
TMUs4016

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 supportPCIe 2.0 x16no data
InterfacePCIe 2.0 x16PCIe 2.0 x16
Length198 mmno data
Width2-slotno data
Supplementary power connectors1x 6-pinno data

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 speed1050 MHz900 MHz
Memory bandwidth76.8 GB/s14.4 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 Connectors2x DVI, 1x HDMI, 2x mini-DisplayPortNo outputs
Eyefinity+-
HDMI+-

Supported technologies

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

CrossFire+-

API compatibility

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

DirectXDirectX® 1112 (11_0)
Shader Model5.05.1
OpenGL4.44.6
OpenCL1.21.1
Vulkan-N/A
CUDA-2.1

Synthetic benchmark performance

Non-gaming benchmark results comparison. The combined score is measured on a 0-100 point scale.


Combined synthetic benchmark score

This is our combined benchmark score. We are regularly improving our combining algorithms, but if you find some perceived inconsistencies, feel free to speak up in comments section, we usually fix problems quickly.

HD 6770 3.24
+125%
GeForce 820A 1.44

Passmark

This is the most ubiquitous GPU benchmark. It gives the graphics card a thorough evaluation under various types of load, providing four separate benchmarks for Direct3D versions 9, 10, 11 and 12 (the last being done in 4K resolution if possible), and few more tests engaging DirectCompute capabilities.

HD 6770 1250
+125%
GeForce 820A 555

Gaming performance

Let's see how good the compared graphics cards are for gaming. Particular gaming benchmark results are measured in FPS.

Pros & cons summary


Performance score 3.24 1.44
Recency 21 January 2011 17 March 2014
Chip lithography 40 nm 28 nm
Power consumption (TDP) 108 Watt 15 Watt

HD 6770 has a 125% higher aggregate performance score.

GeForce 820A, on the other hand, has an age advantage of 3 years, a 42.9% more advanced lithography process, and 620% lower power consumption.

The Radeon HD 6770 is our recommended choice as it beats the GeForce 820A in performance tests.

Be aware that Radeon HD 6770 is a desktop card while GeForce 820A is a notebook 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

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


AMD Radeon HD 6770
Radeon HD 6770
NVIDIA GeForce 820A
GeForce 820A

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.


3.6 352 votes

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Questions & comments

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