Radeon HD 7450 OEM vs HD 7870

Primary details

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

Place in the ranking405not rated
Place by popularitynot in top-100not in top-100
Cost-effectiveness evaluation2.99no data
Power efficiency4.70no data
ArchitectureGCN 1.0 (2011−2020)TeraScale 2 (2009−2015)
GPU code namePitcairnCaicos
Market segmentDesktopDesktop
Release date5 March 2012 (12 years ago)5 January 2012 (12 years ago)
Launch price (MSRP)$349 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 cores1280160
Core clock speed1000 MHz625 MHz
Number of transistors2,800 million370 million
Manufacturing process technology28 nm40 nm
Power consumption (TDP)175 Watt18 Watt
Texture fill rate80.005.000
Floating-point processing power2.56 TFLOPS0.2 TFLOPS
ROPs324
TMUs808

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 3.0 x16PCIe 2.0 x16
Length241 mm168 mm
Width2-slot1-slot
Supplementary power connectors2x 6-pinNone

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 typeGDDR5GDDR3
Maximum RAM amount2 GB512 MB
Memory bus width256 Bit64 Bit
Memory clock speed1200 MHz533 MHz
Memory bandwidth153.6 GB/s8.528 GB/s
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 Connectors1x DVI, 1x HDMI, 2x mini-DisplayPort1x DVI, 1x HDMI
Eyefinity+-
HDMI++

API compatibility

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

DirectX12 (11_1)11.2 (11_0)
Shader Model5.15.0
OpenGL4.64.4
OpenCL1.21.2
Vulkan1.2.131N/A

Pros & cons summary


Recency 5 March 2012 5 January 2012
Maximum RAM amount 2 GB 512 MB
Chip lithography 28 nm 40 nm
Power consumption (TDP) 175 Watt 18 Watt

HD 7870 has an age advantage of 2 months, a 300% higher maximum VRAM amount, and a 42.9% more advanced lithography process.

HD 7450 OEM, on the other hand, has 872.2% lower power consumption.

We couldn't decide between Radeon HD 7870 and Radeon HD 7450 OEM. 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 7870
Radeon HD 7870
AMD Radeon HD 7450 OEM
Radeon HD 7450 OEM

Comparisons with similar GPUs

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Community ratings

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3.7 641 vote

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Questions & comments

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