ATI Radeon HD 3870 vs HD 7450 OEM

Primary details

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

Place in the rankingnot rated989
Place by popularitynot in top-100not in top-100
Cost-effectiveness evaluationno data0.04
Power efficiencyno data0.98
ArchitectureTeraScale 2 (2009−2015)TeraScale (2005−2013)
GPU code nameCaicosRV670
Market segmentDesktopDesktop
Release date5 January 2012 (12 years ago)19 November 2007 (16 years ago)
Launch price (MSRP)no data$269

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 cores160320
Core clock speed625 MHz777 MHz
Number of transistors370 million666 million
Manufacturing process technology40 nm55 nm
Power consumption (TDP)18 Watt106 Watt
Texture fill rate5.00012.43
Floating-point processing power0.2 TFLOPS0.4973 TFLOPS
ROPs416
TMUs816

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 x16PCIe 2.0 x16
Length168 mm241 mm
Width1-slot2-slot
Supplementary power connectorsNone1x 6-pin

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 typeGDDR3GDDR4
Maximum RAM amount512 MB512 MB
Memory bus width64 Bit256 Bit
Memory clock speed533 MHz1126 MHz
Memory bandwidth8.528 GB/s72.06 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 Connectors1x DVI, 1x HDMI2x DVI, 1x S-Video
HDMI+-

API compatibility

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

DirectX11.2 (11_0)10.1 (10_1)
Shader Model5.04.1
OpenGL4.43.3
OpenCL1.2N/A
VulkanN/AN/A

Pros & cons summary


Recency 5 January 2012 19 November 2007
Chip lithography 40 nm 55 nm
Power consumption (TDP) 18 Watt 106 Watt

HD 7450 OEM has an age advantage of 4 years, a 37.5% more advanced lithography process, and 488.9% lower power consumption.

We couldn't decide between Radeon HD 7450 OEM and Radeon HD 3870. We've got no test results to judge.


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 7450 OEM
Radeon HD 7450 OEM
ATI Radeon HD 3870
Radeon HD 3870

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Community ratings

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