Radeon 780M vs HD 4670 X2
Primary details
GPU architecture, market segment, value for money and other general parameters compared.
| Place in performance ranking | not rated | 283 |
| Place by popularity | not in top-100 | 57 |
| Architecture | TeraScale (2005−2013) | RDNA 3 |
| GPU code name | RV730 | Phoenix |
| Market segment | Desktop | Laptop |
| Release date | 10 September 2008 (15 years ago) | 5 January 2023 (1 year ago) |
Detailed specifications
General performance parameters such as number of shaders, GPU core base clock and boost clock speeds, manufacturing process, texturing and calculation speed. These parameters indirectly speak of performance, but for precise assessment you have to consider their benchmark and gaming test results. Note that power consumption of some graphics cards can well exceed their nominal TDP, especially when overclocked.
| Pipelines / CUDA cores | 320 | 768 |
| Core clock speed | 750 MHz | 1500 MHz |
| Boost clock speed | no data | 3000 MHz |
| Number of transistors | 514 million | 25,390 million |
| Manufacturing process technology | 55 nm | 4 nm |
| Power consumption (TDP) | 118 Watt | 54 Watt (35 - 54 Watt TGP) |
| Texture fill rate | 24.00 | 139.2 |
| Floating-point performance | 2x 480.0 gflops | no data |
Form factor & compatibility
Information on Radeon HD 4670 X2 and Radeon 780M compatibility with other computer components. Useful when choosing a future computer configuration or upgrading an existing one. For desktop video cards it's interface and bus (motherboard compatibility), additional power connectors (power supply compatibility). For notebook video cards it's notebook size, connection slot and bus, if the video card is inserted into a slot instead of being soldered to the notebook motherboard.
| Interface | PCIe 2.0 x16 | PCIe 4.0 x8 |
| Width | 2-slot | no data |
| Supplementary power connectors | 1x 6-pin | 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 | GDDR3 | System Shared |
| Maximum RAM amount | 512 MB | System Shared |
| Memory bus width | 128 Bit | System Shared |
| Memory clock speed | 1400 MHz | System Shared |
| Memory bandwidth | 22.4 GB/s | no 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 Connectors | 4x DVI | Portable Device Dependent |
API compatibility
List of supported graphics and general-purpose computing APIs, including their specific versions.
| DirectX | 10.1 (10_1) | 12 Ultimate (12_2) |
| Shader Model | 4.1 | 6.7 |
| OpenGL | 3.3 | 4.6 |
| OpenCL | 1.1 | 2.1 |
| Vulkan | N/A | 1.3 |
Pros & cons summary
| Recency | 10 September 2008 | 5 January 2023 |
| Chip lithography | 55 nm | 4 nm |
| Power consumption (TDP) | 118 Watt | 54 Watt |
We couldn't decide between Radeon HD 4670 X2 and Radeon 780M. We've got no test results to judge.
Be aware that Radeon HD 4670 X2 is a desktop card while Radeon 780M 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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