GeForce 830A vs Radeon HD 4870

In this comparison between GeForce 830A and Radeon HD 4870 you will find out which graphics card performs better in today's games. Bear in mind that third-party versions may have more efficient cooling and higher clock speeds. This will increase cards' performance, though not by much. In addition to raw power you should also take into account the dimensions. Thicker models simply will not fit into a small mini-ITX case. The resolution of your monitor also affects the choice, since 4K gameplay requires a more powerful GPU. And don't overspend on the graphics card. Other parts of your build may also need to be upgraded, save some money for the CPU or power supply. For some people GeForce 830A will be the best choice, for others Radeon HD 4870 will be their preference. Study the comparison tables below and make your choice.

Main Specs

  GeForce 830A Radeon HD 4870
Power consumption (TDP) 33 Watt 150 Watt
Interface PCIe 3.0 x8 PCIe 2.0 x16
Supplementary power connectors 2x 6-pin
Memory type DDR3 GDDR5
Maximum RAM amount 2 GB 1 GB
Display Connectors No outputs 2x DVI, 1x S-Video
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  • Radeon HD 4870 has 354% more power consumption, than GeForce 830A.
  • GeForce 830A is connected by PCIe 3.0 x8, and Radeon HD 4870 uses PCIe 2.0 x16 interface.
  • GeForce 830A has 1 GB more memory, than Radeon HD 4870.
  • Both cards are used in Desktops.
  • GeForce 830A is build with Maxwell architecture, and Radeon HD 4870 - with TeraScale.
  • Core clock speed of GeForce 830A is 332 MHz higher, than Radeon HD 4870.
  • GeForce 830A is manufactured by 28 nm process technology, and Radeon HD 4870 - by 55 nm process technology.
  • Memory clock speed of Radeon HD 4870 is 1800 MHz higher, than GeForce 830A.

Game benchmarks

high / 1080p 2−3 3−4
ultra / 1080p 0−1 1−2
QHD / 1440p 0−1 0−1
low / 720p 12−14 14−16
medium / 1080p 4−5 6−7
The average gaming FPS of Radeon HD 4870 in Assassin's Creed Odyssey is 33% more, than GeForce 830A.

Full Specs

  GeForce 830A Radeon HD 4870
Architecture Maxwell TeraScale
Code name GM108 RV770
Type Desktop Desktop
Release date 22 July 2014 25 June 2008
Pipelines 256 800
Core clock speed 1082 MHz 750 MHz
Boost Clock 1150 MHz
Transistor count 956 million
Manufacturing process technology 28 nm 55 nm
Texture fill rate 18.40 30.00
Floating-point performance 588.8 gflops 1,200.0 gflops
Length 250 mm
Memory bus width 64 Bit 256 Bit
Memory clock speed 1800 MHz 3600 MHz
Memory bandwidth 14.4 GB/s 115.2 GB/s
DirectX 12 (11_0) 10.1 (10_1)
Shader Model 5.1 4.1
OpenGL 4.6 3.3
OpenCL 1.2 1.1
Vulkan 1.1.126 N/A
CUDA 5.0
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