ATI HD 4830 vs ATI HD 4770

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Combined performance score

ATI HD 4770
2.34
+8.8%

HD 4770 outperforms HD 4830 by 9% in our combined benchmark results.

General info

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

Place in performance ranking804817
Place by popularitynot in top-100not in top-100
Value for money0.090.71
ArchitectureTeraScale (2005−2013)TeraScale (2005−2013)
GPU code nameRV740RV770
Market segmentDesktopDesktop
Release date28 April 2009 (14 years old)21 October 2008 (15 years old)
Launch price (MSRP)$109 $130
Current price$182 (1.7x MSRP)$31 (0.2x MSRP)
Value for money

Performance to price ratio. The higher, the better.

ATI HD 4830 has 689% better value for money than ATI HD 4770.

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 cores640640
Core clock speed750 MHz575 MHz
Number of transistors826 million956 million
Manufacturing process technology40 nm55 nm
Power consumption (TDP)80 Watt95 Watt
Texture fill rate24.0018.40
Floating-point performance960.0 gflops736.0 gflops

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 x16PCIe 2.0 x16
Length203 mm246 mm
Width2-slot1-slot
Supplementary power connectors1x 6-pin1x 6-pin

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 typeGDDR5GDDR3
Maximum RAM amount512 MB512 MB
Memory bus width128 Bit256 Bit
Memory clock speed3200 MHz1800 MHz
Memory bandwidth51.2 GB/s57.6 GB/s

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 S-Video2x DVI, 1x S-Video

API support

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

DirectX10.1 (10_1)10.1 (10_1)
Shader Model4.14.1
OpenGL3.33.3
OpenCL1.11.1
VulkanN/AN/A

Synthetic benchmark performance

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


Combined synthetic benchmark score

This is our combined benchmark performance 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.

ATI HD 4770 2.34
+8.8%
ATI HD 4830 2.15

HD 4770 outperforms HD 4830 by 9% in our combined benchmark results.


Passmark

This is the most ubiquitous GPU benchmark, part of Passmark PerformanceTest suite. 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.

Benchmark coverage: 25%

ATI HD 4770 908
+8.7%
ATI HD 4830 835

HD 4770 outperforms HD 4830 by 9% in Passmark.

Gaming performance

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

Advantages and disadvantages


Performance score 2.34 2.15
Recency 28 April 2009 21 October 2008
Cost $109 $130
Chip lithography 40 nm 55 nm
Power consumption (TDP) 80 Watt 95 Watt

We couldn't decide between Radeon HD 4770 and Radeon HD 4830. The differences in performance seem too small.


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.


ATI Radeon HD 4770
Radeon HD 4770
ATI Radeon HD 4830
Radeon HD 4830

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User ratings: view and submit

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


4.1 70 votes

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3.8 36 votes

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Questions and comments

Here you can ask a question about this comparison, agree or disagree with our judgements, or report an error or mismatch.