AMD Radeon HD 6950 Review | 118 Data compared

The PCMag UK review gives the AMD Radeon HD 6950 a "Good" rating of 3.5 out of 5 stars, positioning it as a slightly scaled-back version of the high-end Radeon HD 6970. Priced right at $299 at the time of its 2011 release, this "Cayman" family graphics card features 2.25 teraflops of compute power, an 800 MHz core clock speed, and a generous 2GB GDDR5 frame buffer on a 256-bit memory path. Physically, the 11-inch card demands two expansion slots and requires two 6-pin power connections from the power supply. It is technically advanced, utilizing AMD PowerTune technology for optimized power constraints alongside full DirectX 11 support and specialized anti-aliasing features like Enhanced Quality Anti-Aliasing (EQAA). The core evaluation highlights clear performance trade-offs, summarized by distinct pros and cons compared to Nvidia's lineup. The card's pros include overall stable performance, full DirectX 11 integration, and the inclusion of two mini DisplayPort, one HDMI, and two DVI outputs that enable AMD Eyefinity across up to six concurrent monitors. The massive 2GB VRAM also secure a decisive win in heavy 2560x1600 benchmark...

The TechSpot review of the AMD Radeon HD 6950 highlights superior energy efficiency, with the card drawing the same power as the HD 5870 while delivering 12% faster speeds. Pros include significant power savings over the HD 6970 and better performance than the GTX 470, offering an impressive performance-per-watt ratio for its era. TechSpot As a potential con, the card operates at high temperatures, reaching 82 degrees Celsius under full load with FurMark. However, this thermal performance aligns with competing high-end cards like the HD 6970 and GTX 580, suggesting robust cooling is required for optimal operation.

The bit-tech.net review concludes that the ATI Radeon HD 6950 2GB is a highly capable, solid performer that comfortably carves out its own unique price-to-performance niche in the market. Throughout extensive benchmark testing across multiple games, its performance landed roughly halfway between the lower-end Radeon HD 6870 1GB and the premium Radeon HD 6970 2GB. It performed closest to the previous-generation flagship HD 5870 1GB, matching it frame-for-frame in titles like Dirt 2 and Just Cause 2, while utilizing its large 2GB GDDR5 buffer to slightly edge past it in memory-demanding scenarios at high resolutions like 1,920 x 1,200 or 2,560 x 1,600 with 4x anti-aliasing (AA). Pros & Cons Analysis Pros: Excellent high-resolution gaming performance due to its ample 2GB GDDR5 memory frame buffer. Very impressive power efficiency, consuming only 138W at idle and 256W under load, outperforming mid-range Nvidia alternatives. Acoustic acoustics are highly managed, remaining noticeably quiet at idle and producing an unobtrusive low whooshing noise under full heavy loads. Provides playable frame rates at higher resolutions (e.g., minimums over 30fps in Battlefield: Bad Company 2) without...

The ⁠Guru3D review of the Radeon HD 6950 CrossfireX setup, evaluated by Hilbert Hagedoorn, focuses on the massive multi-GPU scaling achieved by pairing two Cayman PRO-based graphics cards. Priced at roughly €269 per card, a dual-card configuration creates an interesting "sweet spot" for high-end gaming for under €550. Together, the system offers a combined total of 2816 Shader Processors and 4 GB of graphics memory (2x 2 GB partitions). While the reviewer noted that a single HD 6950 felt slightly awkward to position in the market on its own, it completely transforms in CrossfireX mode. The dual-card setup scales beautifully, offering immense raw gaming performance that effortlessly handles modern titles at extreme resolutions with up to 8x anti-aliasing (AA) and multi-monitor Eyefinity setups. However, this high-octane performance comes with distinct physical compromises. On the pros side, the CrossfireX configuration delivers excellent value for money relative to its performance, provides exceptional scaling that doubles up system hardware without heavy CPU bottlenecks, and utilizes the highly efficient 2 GB frame buffer on each card to handle high-resolution pixel loads. Conversely, the cons...

The AMD Radeon HD 6950 and HD 6970 reference graphics cards provide excellent value and high-end hardware capabilities for their era. A major highlight of the Cayman-architecture cards is the standard integration of 2GB of GDDR5 memory and multi-monitor Eyefinity support via dual mini-DisplayPort 1.2, HDMI 1.4a, and two DVI ports. Additionally, the review notes the inclusion of dual-BIOS switches, PowerTune technology for smart TDP power management, and advanced rendering features like improved DirectX 11 tessellation alongside Morphological Anti-Aliasing (MLAA). Under heavy gaming stress, both reference coolers perform admirably, with the HD 6950 and HD 6970 stabilizing at acceptable temperatures of 77°C and 80°C respectively, while keeping noise levels within a reasonable range (37 dBA idle, and roughly 41 to 43 dBA under full load). However, the hardware also presents notable drawbacks and limitations. While the aggressive pricing model mitigates many flaws, the cards lack the extra performance bite or massive generational leap that enthusiasts originally anticipated. For instance, testing reveals that the PowerTune feature offers minimal practical performance advantages when manually raising the %. Overclocking capabilities are also deemed...

The TechPowerUp review of the AMD Radeon HD 6950 1 GB highlights the card as a cost-effective alternative, offering nearly identical performance to the 2 GB model for roughly $40 less. Key pros include excellent overclocking capabilities, a dual BIOS switch, improved display connectivity, and the potential to unlock shaders to a 6970. Conversely, the 1 GB variant suffers from significantly higher power consumption than the 2 GB version across all loads, leading to hotter operation. Additionally, the reference cooler is notably loud at 41 dBA under load, and overclocking is restricted by low Catalyst Control Center limits.

The AMD HD 6950, priced around $300, is identified as a high-value, high-performance option featuring 2GB of GDDR5, strong overclocking potential, and efficient anti-aliasing technologies. Benchmarks show the card delivering competitive performance, with specific tests highlighting an 11% advantage over the GTX 460 and a 4% lead over the GTX 470, further enhanced by robust CrossFireX scaling. Conversely, the reference cooling solution produces high noise levels when fans are maxed out, and the card's PowerTune technology can lead to significant power consumption, reaching up to 250W under load. Additionally, initial reference designs may have restricted overclocking headroom, requiring higher-end custom PCBs for maximum manual performance gains.

The TechSpot review of the $299 AMD Radeon HD 6950 highlights a strong price-to-performance ratio, offering 18% better performance than the GTX 470 with lower power consumption, powered by the 40nm Cayman Pro architecture and 2GB GDDR5. Key advantages include superior DirectX 11 tessellation, a dual-BIOS switch, and efficient cooling under load. Conversely, the card offers limited upgrades for existing HD 5870 owners due to only a 12% performance increase and carries a 27cm, 1GB-only reference design. Furthermore, the review notes disappointing overclocking potential, capped by restrictive PowerTune technology.

AMD's Radeon HD 6970 and 6950 graphics cards introduce the "Cayman" GPU architecture, which shifts from the older VLIW5 design to a more efficient VLIW4 architecture. Built on TSMC's mature 40 nm process, Cayman increases the transistor count to 2.64 billion and expands the silicon die size to 389 mm² compared to its Cypress predecessor. To maximize performance within these physical limits, AMD introduced "PowerTune" technology, a power management feature that dynamically balances the thermal design power (TDP) to safely sustain higher factory clock speeds. The HD 6970 ships with an 880 MHz engine clock, 1536 stream processors, and 2 GB of GDDR5 memory, while the scaled-back HD 6950 runs at 800 MHz with 1408 stream processors, though it retains the same 2 GB frame buffer. The primary advantage of these cards is their killer performance-per-dollar value, offering competitive frame rates and a robust feature set that aligns perfectly with mid-to-high-tier budgets. Furthermore, the large 2 GB frame buffer ensures excellent longevity for memory-intensive gaming workloads, and the innovative VLIW4 design yields better computing performance per square millimetre of die...

The TechPowerUp review of the HIS Radeon HD 6950 2 GB highlights a reference-design card offering high value with 16% better performance-per-dollar than the HD 5870. Key advantages include 2 GB of GDDR5 memory, enhanced VLIW4 architecture for superior tessellation, and robust display options supporting up to six monitors. Drawbacks noted in the review center on restricted core overclocking within the Catalyst Control Center, elevated power consumption during Blu-ray playback, and limited early software support for voltage adjustments.

The TechPowerUp review of the MSI HD 6950 Twin Frozr II 2 GB highlights a custom-designed AMD Cayman card featuring an effective Twin Frozr II cooler, which significantly reduces idle fan noise and temperatures compared to the reference design. The card offers 2 GB of GDDR5, HDMI 1.4a/DisplayPort 1.2 support, and excellent overclocking potential via a CHiL 8214 voltage controller. However, cons include a negligible 10 MHz factory overclock, resulting in no real-world performance gains, and the omission of a dual-BIOS switch, which prevents easy unlocking to an HD 6970. Further drawbacks include a higher $330 price point, increased power usage during Blu-ray playback, and low default Catalyst Control Center limits.

AnandTech’s review of the AMD Radeon HD 6970 and HD 6950 highlights the move to "Cayman" architecture, utilizing VLIW4 design, 2GB GDDR5, and AMD PowerTune for dynamic power management. Key advantages include superior DirectX 11 performance, improved tessellation, and a dual-BIOS switch for safety. The HD 6950 is identified as a strong value option, yet the HD 6970 suffers from high power consumption, rivaling NVIDIA's Fermi, and struggles to beat the GTX 580, making its launch price less competitive. The review concludes that while performance is high, thermal efficiency is compromised compared to previous generations.

The Radeon HD 6950 and 6970 are capable high-end graphics cards that deliver great overall value, though their raw gaming performance struggles to consistently match expectations set by their predecessors and competition. While the cards excel in memory-intensive scenarios—such as high anti-aliasing settings, massive 2560x1600 resolutions, and multi-monitor Eyefinity or CrossfireX configurations—their behavior in standard games is highly unpredictable. In some titles like Crysis and Anno 1404, they approach the performance of NVIDIA's top-tier cards. However, in others like Battlefield Bad Company 2 and Colin McRae DiRT, they unexpectedly group up with or fall behind the older, cheaper Radeon HD 5870. This inconsistency creates a performance profile that lacks the aggressive generational leap users anticipated. Despite these performance quirks, the series shines due to strong physical attributes and highly aggressive pricing. On the positive side, both models boast a massive 2 GB framebuffer, highly efficient power consumption (measuring 158 Watts for the HD 6950 and 207 Watts for the HD 6970), and normal operating temperatures between 75°C to 80°C under load. They also offer phenomenal value, entering the market at...