ATI Radeon HD 4870 X2 vs ATI Mobility HD 5770
Contents
Primary details
GPU architecture, market segment, value for money and other general parameters compared.
| Place in the ranking | not rated | 798 |
| Place by popularity | not in top-100 | not in top-100 |
| Cost-effectiveness evaluation | no data | 0.13 |
| Power efficiency | no data | 0.84 |
| Architecture | TeraScale 2 (2009−2015) | TeraScale (2005−2013) |
| GPU code name | Madison | R700 |
| Market segment | Laptop | Desktop |
| Release date | 7 January 2010 (15 years ago) | 12 August 2008 (17 years ago) |
| Launch price (MSRP) | no data | $550 |
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 | 400 | 800 ×2 |
| Core clock speed | 650 MHz | 700 MHz |
| Number of transistors | 627 million | 956 million |
| Manufacturing process technology | 40 nm | 55 nm |
| Power consumption (TDP) | 30 Watt | 286 Watt |
| Texture fill rate | 13.00 | 28.00 ×2 |
| Floating-point processing power | 0.52 TFLOPS | 1.12 TFLOPS ×2 |
| ROPs | 8 | 16 ×2 |
| TMUs | 20 | 40 ×2 |
| L1 Cache | 40 KB | 160 KB |
| L2 Cache | 256 KB | 256 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 | PCIe 2.0 x16 | PCIe 2.0 x16 |
| Length | no data | 267 mm |
| Width | no data | 2-slot |
| Supplementary power connectors | no data | 1x 6-pin + 1x 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 | 1 GB | 1 GB ×2 |
| Memory bus width | 128 Bit | 256 Bit ×2 |
| Memory clock speed | 800 MHz | 900 MHz |
| Memory bandwidth | 51.2 GB/s | 115.2 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 outputs | 2x DVI, 1x S-Video |
API and SDK support
List of supported 3D and general-purpose computing APIs, including their specific versions.
| DirectX | 11.2 (11_0) | 10.1 (10_1) |
| Shader Model | 5.0 | 4.1 |
| OpenGL | 4.4 | 3.3 |
| OpenCL | 1.2 | 1.1 |
| Vulkan | N/A | N/A |
Pros & cons summary
| Recency | 7 January 2010 | 12 August 2008 |
| Chip lithography | 40 nm | 55 nm |
| Power consumption (TDP) | 30 Watt | 286 Watt |
ATI Mobility HD 5770 has an age advantage of 1 year, a 37.5% more advanced lithography process, and 853.3% lower power consumption.
We couldn't decide between Mobility Radeon HD 5770 and Radeon HD 4870 X2. We've got no test results to judge.
Be aware that Mobility Radeon HD 5770 is a notebook graphics card while Radeon HD 4870 X2 is a desktop one.
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