ATI Radeon HD 3100 vs ATI HD 4870

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Primary details

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

Place in the ranking713not rated
Place by popularitynot in top-100not in top-100
Cost-effectiveness evaluation0.27no data
Power efficiency1.64no data
ArchitectureTeraScale (2005−2013)RV6xx (2008−2010)
GPU code nameRV770RS780MC
Market segmentDesktopLaptop
Release date25 June 2008 (16 years ago)1 August 2008 (16 years ago)
Launch price (MSRP)$299 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 cores80040
Core clock speed750 MHz350 MHz
Number of transistors956 millionno data
Manufacturing process technology55 nm55 nm
Power consumption (TDP)150 Wattno data
Texture fill rate30.00no data
Floating-point processing power1.2 TFLOPSno data
ROPs16no data
TMUs40no data

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).

InterfacePCIe 2.0 x16no data
Length250 mmno data
Width2-slotno data
Supplementary power connectors2x 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 typeGDDR5no data
Maximum RAM amount1 GB512 MB
Memory bus width256 Bitno data
Memory clock speed900 MHzno data
Memory bandwidth115.2 GB/sno data
Shared memory-+

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 S-Videono data

API compatibility

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

DirectX10.1 (10_1)10
Shader Model4.1no data
OpenGL3.3no data
OpenCL1.1no data
VulkanN/A-

Pros & cons summary


Recency 25 June 2008 1 August 2008
Maximum RAM amount 1 GB 512 MB

ATI HD 4870 has a 100% higher maximum VRAM amount.

ATI HD 3100, on the other hand, has an age advantage of 1 month.

We couldn't decide between Radeon HD 4870 and Radeon HD 3100. We've got no test results to judge.

Be aware that Radeon HD 4870 is a desktop card while Radeon HD 3100 is a notebook 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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ATI Radeon HD 4870
Radeon HD 4870
ATI Radeon HD 3100
Radeon HD 3100

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.


3.3 226 votes

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2.3 57 votes

Rate Radeon HD 3100 on a scale of 1 to 5:

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Questions & comments

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