P30PH vs Radeon HD 7970
Contents
Primary details
GPU architecture, market segment, value for money and other general parameters compared.
| Place in the ranking | 431 | not rated |
| Place by popularity | not in top-100 | not in top-100 |
| Cost-effectiveness evaluation | 2.03 | no data |
| Power efficiency | 3.84 | no data |
| Architecture | GCN 1.0 (2012−2020) | GCN 4.0 (2016−2020) |
| GPU code name | Tahiti | Polaris 20 |
| Market segment | Desktop | Workstation |
| Design | reference | no data |
| Release date | 9 January 2012 (13 years ago) | no data |
| Launch price (MSRP) | $549 | no data |
Cost-effectiveness evaluation
The higher the ratio, the better. We use the manufacturer's recommended prices.
Performance to price scatter graph
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 | 2048 | 2048 |
| Core clock speed | no data | 1120 MHz |
| Boost clock speed | 925 MHz | 1206 MHz |
| Number of transistors | 4,313 million | 5,700 million |
| Manufacturing process technology | 28 nm | 14 nm |
| Power consumption (TDP) | 300 Watt | 180 Watt |
| Texture fill rate | 118.4 | 154.4 |
| Floating-point processing power | 3.789 TFLOPS | 4.94 TFLOPS |
| ROPs | 32 | 32 |
| TMUs | 128 | 128 |
| L1 Cache | 512 KB | 512 KB |
| L2 Cache | 768 KB | 2 MB |
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).
| Bus support | PCIe 2.1 x16 | no data |
| Interface | PCIe 3.0 x16 | PCIe 3.0 x16 |
| Length | 275 mm | 241 mm |
| Width | 2-slot | 2-slot |
| Supplementary power connectors | 1x 6-pin + 1x 8-pin | 2x 8-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 type | GDDR5 | GDDR5 |
| Maximum RAM amount | 6 GB | 4 GB |
| Memory bus width | 384 Bit | 256 Bit |
| Memory clock speed | 1375 MHz | 2100 MHz |
| Memory bandwidth | 264 GB/s | 268.8 GB/s |
| Shared memory | - | - |
Connectivity and outputs
This section shows the types and number of video connectors on each GPU. The data applies specifically to desktop reference models (for example, NVIDIA’s Founders Edition). OEM partners often modify both the number and types of ports. On notebook GPUs, video‐output options are determined by the laptop’s design rather than the graphics chip itself.
| Display Connectors | 1x DVI, 1x HDMI 1.4a, 2x mini-DisplayPort 1.2 | 1x HDMI 2.0b |
| Eyefinity | + | - |
| HDMI | + | + |
Supported technologies
Supported technological solutions. This information will prove useful if you need some particular technology for your purposes.
| CrossFire | + | - |
| FreeSync | + | - |
API and SDK support
List of supported 3D and general-purpose computing APIs, including their specific versions.
| DirectX | DirectX® 11 | 12 (12_0) |
| Shader Model | 6.5 (5.1) | 6.7 |
| OpenGL | 4.6 | 4.6 |
| OpenCL | 2.1 (1.2) | 2.1 |
| Vulkan | - | 1.3 |
Pros & cons summary
| Maximum RAM amount | 6 GB | 4 GB |
| Chip lithography | 28 nm | 14 nm |
| Power consumption (TDP) | 300 Watt | 180 Watt |
HD 7970 has a 50% higher maximum VRAM amount.
P30PH, on the other hand, has a 100% more advanced lithography process, and 66.7% lower power consumption.
We couldn't decide between Radeon HD 7970 and P30PH. We've got no test results to judge.
Be aware that Radeon HD 7970 is a desktop graphics card while P30PH is a workstation one.
Other comparisons
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