ATI Radeon HD 4670 X2 vs HD 7970M Crossfire
Contents
Primary details
GPU architecture, market segment, value for money and other general parameters compared.
| Place in the ranking | 401 | not rated |
| Place by popularity | not in top-100 | not in top-100 |
| Power efficiency | 5.68 | no data |
| Architecture | GCN (2012−2015) | TeraScale (2005−2013) |
| GPU code name | Wimbledon XT | RV730 |
| Market segment | Laptop | Desktop |
| Release date | 1 May 2012 (14 years ago) | 10 September 2008 (17 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. Real power consumption of some graphics cards can well exceed their nominal TDP, especially if overclocked.
| Pipelines / CUDA cores | 2560 | 320 ×2 |
| Core clock speed | 850 MHz | 750 MHz |
| Number of transistors | no data | 514 million |
| Manufacturing process technology | 28 nm | 55 nm |
| Power consumption (TDP) | 200 Watt | 118 Watt |
| Texture fill rate | no data | 24.00 ×2 |
| Floating-point processing power | no data | 0.48 TFLOPS ×2 |
| ROPs | no data | 8 ×2 |
| TMUs | no data | 32 ×2 |
| L1 Cache | no data | 64 KB |
| L2 Cache | no data | 128 KB |
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 size | large | no data |
| Interface | no data | PCIe 2.0 x16 |
| Width | no data | 2-slot |
| Supplementary power connectors | no data | 1x 6-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 | GDDR3 |
| Maximum RAM amount | no data | 512 MB ×2 |
| Memory bus width | 2x 256 Bit | 128 Bit ×2 |
| Memory clock speed | 4800 MHz | 700 MHz |
| Memory bandwidth | no data | 22.4 GB/s ×2 |
| 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 | no data | 4x DVI |
API and SDK support
List of supported 3D and general-purpose computing APIs, including their specific versions.
| DirectX | 11.1 | 10.1 (10_1) |
| Shader Model | no data | 4.1 |
| OpenGL | no data | 3.3 |
| OpenCL | no data | 1.1 |
| Vulkan | - | N/A |
Pros & cons summary
| Recency | 1 May 2012 | 10 September 2008 |
| Chip lithography | 28 nm | 55 nm |
| Power consumption (TDP) | 200 Watt | 118 Watt |
HD 7970M Crossfire has an age advantage of 3 years, and a 96% more advanced lithography process.
ATI HD 4670 X2, on the other hand, has 69% lower power consumption.
We couldn't decide between Radeon HD 7970M Crossfire and Radeon HD 4670 X2. We've got no test results to judge.
Be aware that Radeon HD 7970M Crossfire is a notebook graphics card while Radeon HD 4670 X2 is a desktop one.
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