ATI Radeon HD 5770 X2

The ATI Radeon HD 5770 X2 is an end-of-life dual-GPU card from AMD, built on the Juniper chip with the TeraScale 2 architecture and fabricated on a 40 nm process at TSMC. The database places it at the 50th percentile of all GPUs tracked, indicating a median performance position, though its average benchmark score is 0, meaning no recorded runs exist. With 800 shading units, 40 TMUs, and 16 ROPs, it delivers 1,360.0 GFLOPS of FP32 compute, but its 1024 MB GDDR5 frame buffer on a 128-bit bus sharply limits high-resolution potential.

Benchmark Performance

The database lists no actual benchmark scores for this part, so the analysis relies on the theoretical specifications and the percentile placement. A 50th percentile ranking means this card sits exactly in the middle of the entire GPU population, outperforming half of all tracked devices while trailing the other half. This is a notable achievement for a card released in 2010, as it has aged into a median position rather than falling to the bottom. The theoretical peak FP32 throughput is 1,360.0 GFLOPS, a figure that reflects the 800 shading units operating at the listed clocks. The pixel fill rate is 13.60 GPixel/s, and the texture fill rate is 34.00 GTexel/s, both of which are modest by modern standards but indicate a balanced design for its era.

The 1,360.0 GFLOPS compute rate is the headline metric, suggesting the card can handle DirectX 11-era workloads at moderate settings without immediate compute bottlenecks. The 13.60 GPixel/s pixel rate implies adequate fill for lower resolutions, while the 34.00 GTexel/s texture rate supports texture-heavy scenes without stalling. The 50th percentile placement is consistent with these figures: the card is not a high-end contender, but it is far from obsolete in the database's ranking. Because the nearestRivals list is empty, no direct competitor deltas can be cited, so the comparison is drawn against the entire GPU population. The transistor density of 6.3M per square millimeter, derived from 1,040 million transistors on a 166 mm² die, further contextualizes the performance tier.

Memory Subsystem

The memory configuration is the most critical constraint on this card's longevity. It comes with 1024 MB of GDDR5 VRAM, which was generous at its release but is now limiting for modern workloads. The memory bus is 128 bits wide, and the memory clock runs at 1200 MHz, yielding an effective data rate of 4.8 Gbps. This produces a total bandwidth of 76.80 GB/s, a figure that is modest even for its generation. The 128-bit bus width is the primary bottleneck for high-resolution gaming, as it cannot move data quickly enough to feed the 800 shading units at higher settings.

The 1024 MB capacity is also a constraint. For standard-definition or lower-resolution gaming, the frame buffer is sufficient for older titles, but for modern games with large asset streams, it will quickly fill up. The 76.80 GB/s bandwidth is adequate for the 13.60 GPixel/s pixel rate, but it is not a high-bandwidth design. The effective 4.8 Gbps data rate reflects the maturity of GDDR5 at the time, yet it cannot compensate for the narrow bus. Users attempting to run high-resolution textures will encounter significant stuttering or texture pop-in, as the memory subsystem simply lacks the throughput to sustain such demands. The card is best paired with displays that do not exceed its bandwidth capabilities.

Ray Tracing and Feature Set

This card has no dedicated ray tracing cores and no tensor cores, as it predates hardware-accelerated ray tracing entirely. The TeraScale 2 architecture relies on the DirectX 11.2 (11_0) API and OpenGL 4.4 for graphics features. DirectX 11.2 support allows the card to run games that require DX11 features, but it cannot handle ray tracing effects or any AI-accelerated workloads. The absence of Vulkan support further limits its compatibility with modern applications that have moved to that API. The display outputs include 2x DVI, 1x HDMI 1.3a, and 1x DisplayPort 1.1, enabling multi-monitor setups but with older interface standards that lack support for the latest display features.

The lack of RT and tensor cores means that any ray tracing or deep-learning-based tasks are out of the question. For the era, the feature set was competitive, but from a modern perspective, it is severely dated. The PCIe 2.0 x16 bus interface is another legacy limitation, though it remains compatible with newer motherboards. The card's API support is capped at OpenGL 4.4, which means it cannot run applications that require OpenGL 4.5 or later. Overall, the feature set is strictly limited to traditional rasterization workloads, and users should not expect any modern graphics enhancements.

How It Compares

The database's nearestRivals list is empty, so there are no direct competitor names or deltaPct values to cite. Instead, the comparison is drawn against the overall GPU population. At the 50th percentile, the HD 5770 X2 is exactly median, which is a significant achievement for a card from 2010. It outperforms half of all GPUs in the database, a testament to its balanced specifications. However, the lack of a recorded benchmark score (average score 0) suggests that the percentile is based on specification-derived estimates rather than actual runs, so the placement should be interpreted as an approximation.

When compared to its predecessor, the Radeon R700 series, the HD 5770 X2 brings the TeraScale 2 architecture and a smaller 40 nm process. Its successor, the Northern Islands series, would later improve on memory bandwidth and compute efficiency. Without rival data, the analysis must rely on the raw specifications. The 1,360.0 GFLOPS compute is a solid mid-range figure, but the 128-bit memory bus is a notable weakness that prevents it from competing with higher-end cards of its own generation. The 50th percentile standing is a fair representation of its capabilities: it is neither a budget outlier nor a high-end contender, but a dependable middle-of-the-road option.

Who Should Consider It

The HD 5770 X2 is best suited for users running older games or applications that do not demand high VRAM or bandwidth. The 1024 MB frame buffer and 128-bit bus make it unsuitable for high-resolution gaming or modern titles with large texture packs. It can handle standard-definition or modest display resolutions with ease, given its 13.60 GPixel/s pixel rate and 34.00 GTexel/s texture rate. The 800 shading units provide enough compute for DirectX 11-era games at medium settings, making it a capable option for classic titles from the late 2000s or early 2010s.

It is not recommended for ultra-high-resolution gaming, as the memory bandwidth of 76.80 GB/s would be a severe bottleneck. The 50th percentile ranking indicates that it is a median performer, so users should expect moderate frame rates in contemporary games of its release era. The dual-slot design and 200 W PSU recommendation make it easy to install in older systems, and the end-of-life production status means it is available at low prices on the secondary market. However, the lack of driver updates could limit compatibility with very recent operating systems, so users should verify driver support before purchase.

FAQ

Q: What is the memory type and bus width of the ATI Radeon HD 5770 X2?

A: It uses 1024 MB of GDDR5 memory on a 128-bit bus, with a memory clock of 1200 MHz and an effective data rate of 4.8 Gbps.

Q: What is the peak FP32 compute performance?

A: The card delivers 1,360.0 GFLOPS of FP32 compute, based on its 800 shading units.

Q: Does it support hardware ray tracing?

A: No. It has no ray tracing cores or tensor cores, and it relies on the DirectX 11.2 (11_0) and OpenGL 4.4 APIs.

Q: What is the suggested power supply rating?

A: The suggested PSU is 200 W, and the card occupies a dual-slot form factor.

Q: What is the production status?

A: The production status is end-of-life, and it was released in 2010.

Q: What is the transistor count and die size?

A: It has 1,040 million transistors on a 166 mm² die, fabricated on a 40 nm process at TSMC, with a transistor density of 6.3M per square millimeter.

Power and Cooling

The FACT PACK does not list a TDP figure for this card, but it does provide a suggested PSU rating of 200 W. This is a low power requirement, indicating that the card is not power-hungry despite its dual-GPU design. The slot width is dual-slot, meaning it will occupy two expansion slots in the chassis. No power connector information is provided, so users should assume that the card draws power from the PCIe slot or a standard connector, but the absence of data means it cannot be confirmed. The 200 W PSU recommendation is a modest figure, making it compatible with most older systems.

The dual-slot design suggests that the cooler is substantial enough to dissipate heat from the 800 shading units. Without a TDP number, the thermal design cannot be quantified, but the 40 nm process and 1,040 million transistor count are indicative of a moderate power draw. The memory runs at 1200 MHz, which is within standard GDDR5 operating ranges. Overall, the power and cooling requirements are low enough for a typical desktop build, but the lack of connector information means that users must check their specific board's power delivery. The 200 W recommendation provides a clear guideline for PSU selection, and the dual-slot footprint is a standard form factor that fits most mid-tower cases.