Radeon E8870 vs HD 7620G
Primary details
GPU architecture, market segment, value for money and other general parameters compared.
| Place in the ranking | 1117 | not rated |
| Place by popularity | not in top-100 | not in top-100 |
| Power efficiency | 2.60 | no data |
| Architecture | TeraScale 3 (2010−2013) | GCN 2.0 (2013−2017) |
| GPU code name | Devastator | Saturn |
| Market segment | Desktop | Laptop |
| Release date | 15 May 2012 (12 years ago) | 29 September 2015 (9 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 cores | 384 | 768 |
| Core clock speed | 360 MHz | 1000 MHz |
| Boost clock speed | 497 MHz | no data |
| Number of transistors | 1,303 million | 2,080 million |
| Manufacturing process technology | 32 nm | 28 nm |
| Power consumption (TDP) | 25 Watt | 75 Watt |
| Texture fill rate | 11.93 | 48.00 |
| Floating-point processing power | 0.3817 TFLOPS | 1.536 TFLOPS |
| ROPs | 8 | 16 |
| TMUs | 24 | 48 |
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).
| Interface | IGP | MXM-B (3.0) |
| Width | IGP | no data |
| Supplementary power connectors | no data | None |
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 type | System Shared | GDDR5 |
| Maximum RAM amount | System Shared | 4 GB |
| Memory bus width | System Shared | 128 Bit |
| Memory clock speed | System Shared | 1500 MHz |
| Memory bandwidth | no data | 96 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 Connectors | No outputs | No outputs |
API compatibility
List of supported 3D and general-purpose computing APIs, including their specific versions.
| DirectX | 11.2 (11_0) | 12 (12_0) |
| Shader Model | 5.0 | 6.3 |
| OpenGL | 4.4 | 4.6 |
| OpenCL | 1.2 | 2.0 |
| Vulkan | N/A | 1.2.131 |
Pros & cons summary
| Recency | 15 May 2012 | 29 September 2015 |
| Chip lithography | 32 nm | 28 nm |
| Power consumption (TDP) | 25 Watt | 75 Watt |
HD 7620G has 200% lower power consumption.
Radeon E8870, on the other hand, has an age advantage of 3 years, and a 14.3% more advanced lithography process.
We couldn't decide between Radeon HD 7620G and Radeon E8870. We've got no test results to judge.
Be aware that Radeon HD 7620G is a desktop card while Radeon E8870 is a notebook one.
Should you still have questions concerning choice between the reviewed GPUs, ask them in Comments section, and we shall answer.
Comparisons with similar GPUs
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