Radeon Graphics 448SP Mobile vs HD 7870M

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Primary details

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

Place in the ranking698not rated
Place by popularitynot in top-100not in top-100
Power efficiency6.01no data
ArchitectureGCN 1.0 (2011−2020)GCN 5.1 (2018−2022)
GPU code nameHeathrowBarcelo
Market segmentLaptopDesktop
Release date24 April 2012 (12 years ago)6 January 2022 (2 years ago)

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 cores640448
Core clock speed800 MHz300 MHz
Boost clock speedno data1800 MHz
Number of transistors1,500 million10,700 million
Manufacturing process technology28 nm7 nm
Power consumption (TDP)45 Watt45 Watt
Texture fill rate32.0050.40
Floating-point processing power1.024 TFLOPS1.613 TFLOPS
ROPs168
TMUs4028

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).

Laptop sizelargeno data
InterfacePCIe 3.0 x16IGP

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 typeGDDR5System Shared
Maximum RAM amount2 GBSystem Shared
Memory bus width128 BitSystem Shared
Memory clock speed1000 MHzSystem Shared
Memory bandwidth64 GB/sno data
Shared memory-no data

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 ConnectorsNo outputsPortable Device Dependent

API compatibility

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

DirectX12 (11_1)12 (12_1)
Shader Model5.16.7 (6.4)
OpenGL4.64.6
OpenCL1.22.1
Vulkan1.2.1311.3

Pros & cons summary


Recency 24 April 2012 6 January 2022
Chip lithography 28 nm 7 nm

Graphics 448SP Mobile has an age advantage of 9 years, and a 300% more advanced lithography process.

We couldn't decide between Radeon HD 7870M and Radeon Graphics 448SP Mobile. We've got no test results to judge.

Be aware that Radeon HD 7870M is a notebook card while Radeon Graphics 448SP Mobile is a desktop 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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AMD Radeon HD 7870M
Radeon HD 7870M
AMD Radeon Graphics 448SP Mobile
Radeon Graphics 448SP Mobile

Comparisons with similar GPUs

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Community ratings

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2.6 13 votes

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3.3 36 votes

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Questions & comments

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