Radeon HD 4870 X2: specs and benchmarks
Aggregate performance score
Radeon HD 4870 X2 provides poor gaming and benchmark performance at 2.96% of a leader's which is RTX PRO 5000 Blackwell.
Contents
Summary
ATI started Radeon HD 4870 X2 sales 12 August 2008 at a recommended price of $550. This is a TeraScale architecture desktop card based on 55 nm manufacturing process and primarily aimed at office use. 1 GB of GDDR5 memory clocked at 0.9 GHz are supplied, and together with 256 Bit memory interface this creates a bandwidth of 115.2 GB/s.
Compatibility-wise, this is a dual-slot graphics card attached via PCIe 2.0 x16 interface. Its manufacturer default version has a length of 267 mm. One 6-pin and one 8-pin connectors are required, and power consumption is at 286 Watt.
Primary details
Some basic facts about Radeon HD 4870 X2: architecture, market segment, release date etc.
| Place in the ranking | 783 | |
| Place by popularity | not in top-100 | |
| Cost-effectiveness evaluation | 0.13 | |
| Power efficiency | 0.83 | of 100.00 (Radeon 890M) |
| Architecture | TeraScale (2005−2013) | |
| GPU code name | R700 | |
| Market segment | Desktop | |
| Release date | 12 August 2008 (17 years ago) | |
| Launch price (MSRP) | $550 | of 14,999 (Quadro Plex 7000) |
Cost-effectiveness evaluation
The higher the ratio, the better. We use the manufacturer's recommended prices.
Performance to price scatter graph
Detailed specifications
Radeon HD 4870 X2's specs such as number of shaders, GPU base clock, manufacturing process, texturing and calculation speed. These parameters indirectly speak of Radeon HD 4870 X2's performance, but for precise assessment you have to consider its benchmark and gaming test results.
| Pipelines / CUDA cores | 800 ×2 | of 960 (GeForce GTX 660) |
| Core clock speed | 700 MHz | of 980 (GeForce GT 755M SLI) |
| Number of transistors | 956 million | of 100,000 million (Data Center GPU Max 1100) |
| Manufacturing process technology | 55 nm | of 0.003 MB (Arc Graphics 140V) |
| Power consumption (TDP) | 286 Watt | of 235 (FirePro S9150) |
| Texture fill rate | 28.00 ×2 | of 1,968 (RTX PRO 6000 Blackwell) |
| Floating-point processing power | 1.12 TFLOPS ×2 | of 126 (RTX PRO 6000 Blackwell) |
| ROPs | 16 ×2 | of 512 (Moore Threads MTT S4000) |
| TMUs | 40 ×2 | of 896 (Data Center GPU Max 1350) |
| L1 Cache | 160 KB | of 64 MB (Data Center GPU Max 1550) |
| L2 Cache | 256 KB | of 408 MB (Data Center GPU Max 1350) |
Form factor & compatibility
This section provides details about the physical dimensions of Radeon HD 4870 X2 and its compatibility with other computer components. This information is useful when selecting a computer configuration or upgrading an existing one. For desktop graphics cards, it includes details about the interface and bus (for motherboard compatibility) and additional power connectors (for power supply compatibility).
| Interface | PCIe 2.0 x16 | |
| Length | 267 mm | |
| Width | 2-slot | |
| Supplementary power connectors | 1x 6-pin + 1x 8-pin |
VRAM capacity and type
Parameters of memory installed on Radeon HD 4870 X2: its type, size, bus, clock and resulting bandwidth. Note that GPUs integrated into processors have no dedicated memory and use a shared part of system RAM instead.
| Memory type | GDDR5 | |
| Maximum RAM amount | 1 GB ×2 | of 288 GB (Radeon Instinct MI325X) |
| Memory bus width | 256 Bit ×2 | of 384 (GeForce GTX 980 Ti) |
| Memory clock speed | 900 MHz | of 16384000 MB (GeForce RTX 4050 Mobile) |
| Memory bandwidth | 115.2 GB/s ×2 | of 983040 MB (GeForce RTX 5080) |
Connectivity and outputs
Types and number of video connectors present on Radeon HD 4870 X2. As a rule, this section is relevant only for desktop reference graphics cards, since for notebook ones the availability of certain video outputs depends on the laptop model, while non-reference desktop models can (though not necessarily will) bear a different set of video ports.
| Display Connectors | 2x DVI, 1x S-Video |
API and SDK support
APIs supported by Radeon HD 4870 X2, sometimes including their particular versions.
| DirectX | 10.1 (10_1) | |
| Shader Model | 4.1 | |
| OpenGL | 3.3 | of 4.6 (RTX PRO 5000 Blackwell) |
| OpenCL | 1.1 | |
| Vulkan | N/A |
Benchmark performance
Synthetic benchmark performance of Radeon HD 4870 X2. The combined score is measured on a 0-100 point scale.
Combined synthetic benchmark score
This is our combined benchmark score.
Passmark
This is the most ubiquitous GPU benchmark. It gives the graphics card a thorough evaluation under various types of load, providing four separate benchmarks for Direct3D versions 9, 10, 11 and 12 (the last being done in 4K resolution if possible), and few more tests engaging DirectCompute capabilities.
Send your test results of Radeon HD 4870 X2.
NVIDIA equivalent
According to our data, the closest NVIDIA alternative to Radeon HD 4870 X2 is GeForce GTX 660 OEM, which is slower by 1% and lower by 3 positions in our ranking.
Here are some closest NVIDIA rivals to Radeon HD 4870 X2:
Similar GPUs
Here is our recommendation of several graphics cards that are more or less close in performance to the one reviewed.
Recommended processors
These processors are most commonly used with Radeon HD 4870 X2 according to our statistics.
