AMD Radeon HD 6770 vs NVIDIA Quadro 2000D Comparison

The benchmark data places the NVIDIA Quadro 2000D and AMD Radeon HD 6770 in a close contest, but the verdict is clear: the Quadro 2000D takes the overall performance crown, while the Radeon HD 6770 offers a distinct architectural and feature-set advantage. In the sole head-to-head benchmark, Geekbench OpenCL, the Quadro 2000D scores 3930 against the Radeon's 3649, a 7.7% lead. This win pushes the Quadro 2000D to a 1-0 record in direct comparisons. However, the Radeon HD 6770 counters with superior raw specifications in nearly every other category, including a significantly higher pixel rate, texture rate, and FP32 throughput. The choice hinges on whether the user prioritizes the Quadro's benchmark edge and professional positioning or the Radeon's broader display output flexibility and higher theoretical compute ceilings.

The Verdict

Based strictly on the data, the NVIDIA Quadro 2000D is the winner for users who prioritize raw OpenCL compute performance as measured by the Geekbench benchmark. Its score of 3930 is not only 7.7% higher than the Radeon HD 6770's 3649 but also places it in the 23rd percentile of all GPUs, slightly above the Radeon's 22nd percentile. The Quadro 2000D also sits closer to its nearest rivals, being only 0.3% behind the Quadro K2000D and 0.6% behind the GeForce GT 745M, whereas the Radeon HD 6770 is 1.2% behind the GeForce 825M and 1.5% ahead of the RTX 5000 Mobile Ada Generation. For any workload that relies on OpenCL acceleration, the data favors the Quadro 2000D.

Conversely, the AMD Radeon HD 6770 is the pick for users who need a more versatile display configuration or who value higher theoretical throughput in specific graphics pipelines. While it loses the benchmark, it offers a triple-output setup with 2x DVI, 1x HDMI 1.3a, and 2x mini-DisplayPort 1.1, compared to the Quadro's 2x DVI only. This makes the Radeon the clear choice for multi-monitor environments. Furthermore, its raw numbers—13.60 GPixel/s pixel rate, 34.00 GTexel/s texture rate, and 1,360.0 GFLOPS FP32—are all dramatically higher than the Quadro's 5.000 GPixel/s, 20.00 GTexel/s, and 480.0 GFLOPS. The benchmark does not reflect these advantages, but they suggest the Radeon could excel in tasks that are not measured by the Geekbench OpenCL test.

Where Each One Wins

The NVIDIA Quadro 2000D wins in the only measured performance metric. The Geekbench OpenCL score of 3930 is the sole benchmark data point, and the Quadro wins it outright. This single victory determines the head-to-head record. The data shows that in this specific compute test, the Quadro's Fermi architecture, despite having fewer shading units (192 vs. 800), outperforms the Radeon's TeraScale 2 design. The Quadro also wins on efficiency metrics, with a TDP of 62 W versus the Radeon's 108 W, and it requires no power connectors, while the Radeon needs a 1x 6-pin. The Quadro is also a single-slot card, compared to the Radeon's dual-slot design, and it has a shorter length at 178 mm versus 198 mm.

The AMD Radeon HD 6770 wins in every other category not covered by the benchmark. Its memory bandwidth is 76.80 GB/s, a massive 84.6% higher than the Quadro's 41.60 GB/s, despite both using a 128-bit bus and 1024 MB of GDDR5. The Radeon's memory clock is 1200 MHz (4.8 Gbps effective) versus the Quadro's 650 MHz (2.6 Gbps effective). Its shading unit count (800 vs. 192), TMUs (40 vs. 32), and pixel rate (13.60 GPixel/s vs. 5.000 GPixel/s) are all superior. The Radeon also has a higher transistor density (6.3M / mm² vs. 4.9M / mm²), indicating a more compact and efficient layout on its 166 mm² die, versus the Quadro's larger 238 mm² die. The Radeon supports DirectX 11.2 (11_0) compared to the Quadro's DirectX 12 (11_0), and it offers a wider array of display outputs.

Architecture Differences

The two cards are built on fundamentally different architectures from the same era. The NVIDIA Quadro 2000D uses the GF106 chip based on the Fermi architecture, fabricated on a 40 nm process at TSMC. This chip contains 1,170 million transistors on a 238 mm² die. Fermi was designed for compute-heavy workloads, which likely contributes to the Quadro's OpenCL benchmark victory. The architecture features 192 shading units, 32 TMUs, and 16 ROPs. Its memory subsystem pairs 1024 MB of GDDR5 on a 128-bit bus, achieving 41.60 GB/s of bandwidth.

The AMD Radeon HD 6770 uses the Juniper chip based on the TeraScale 2 architecture, also on TSMC's 40 nm process. This chip has 1,040 million transistors on a smaller 166 mm² die, resulting in a higher transistor density of 6.3M / mm². TeraScale 2 is a VLIW-based design that packs significantly more shading units (800) into the same process node. It also includes 40 TMUs and 16 ROPs. The memory configuration is identical in size and bus width (1024 MB, 128-bit), but the memory clock is nearly double, delivering 76.80 GB/s of bandwidth. The Radeon supports a newer DirectX version (11.2 vs. 12 (11_0) for the Quadro), but the Quadro offers a newer OpenGL version (4.6 vs. 4.4). Neither card supports Vulkan.

FAQ

Q: Which card has a higher Geekbench OpenCL score?

A: The NVIDIA Quadro 2000D scores 3930, which is 7.7% higher than the AMD Radeon HD 6770's 3649.

Q: Does the AMD Radeon HD 6770 have better memory bandwidth?

A: Yes. The Radeon HD 6770 has a memory bandwidth of 76.80 GB/s, compared to the Quadro 2000D's 41.60 GB/s, due to a higher memory clock of 1200 MHz versus 650 MHz.

Q: Which card is more power-efficient according to the data?

A: The NVIDIA Quadro 2000D has a TDP of 62 W and requires no power connectors, while the AMD Radeon HD 6770 has a TDP of 108 W and requires a 1x 6-pin power connector.

Q: Can both cards support multiple monitors?

A: The AMD Radeon HD 6770 offers more flexibility with 2x DVI, 1x HDMI 1.3a, and 2x mini-DisplayPort 1.1 outputs. The NVIDIA Quadro 2000D is limited to 2x DVI outputs.

Q: How do these cards compare to their nearest rivals?

A: The Quadro 2000D is 0.3% behind the Quadro K2000D and 0.6% behind the GeForce GT 745M. The Radeon HD 6770 is 0.6% ahead of the GeForce GTX 1050 and 1.5% ahead of the RTX 5000 Mobile Ada Generation.

Q: What is the difference in pixel fill rate?

A: The AMD Radeon HD 6770 has a pixel rate of 13.60 GPixel/s, which is significantly higher than the NVIDIA Quadro 2000D's 5.000 GPixel/s.

Head-to-Head Benchmarks

The only direct benchmark comparison available is the Geekbench OpenCL test, and it is a decisive win for the NVIDIA Quadro 2000D. The Quadro scores 3930 points, while the AMD Radeon HD 6770 trails at 3649 points. This translates to a 7.7% performance delta in favor of the Quadro.

This result is surprising when considering the raw specifications. The Radeon HD 6770 has 800 shading units compared to the Quadro's 192, and its FP32 throughput is 1,360.0 GFLOPS versus 480.0 GFLOPS. The Radeon also has nearly double the memory bandwidth (76.80 GB/s vs. 41.60 GB/s) and a higher texture rate (34.00 GTexel/s vs. 20.00 GTexel/s). Despite these apparent advantages, the Geekbench OpenCL workload clearly favors the Quadro's Fermi architecture. The data suggests that the Fermi design is more efficient at executing the specific compute tasks in the benchmark, or that the driver optimizations for the Quadro line are superior for OpenCL workloads. The Quadro's win is even more notable given that it does so with a lower TDP (62 W vs. 108 W) and no auxiliary power connectors.

The percentile rankings reinforce this outcome. The Quadro 2000D sits at the 23rd percentile of all GPUs, while the Radeon HD 6770 sits at the 22nd. This means the Quadro is not only faster than this specific Radeon but also outperforms a slightly larger fraction of the overall GPU population. The nearest rival data also shows the Quadro in a better position: it is only 0.3% behind the Quadro K2000D and 0.6% behind the GeForce GT 745M. In contrast, the Radeon is 1.2% behind the GeForce 825M and only 0.6% ahead of the GeForce GTX 1050, indicating it has closer and more competitive rivals.

Specification Differences

The following table highlights the key specifications where the NVIDIA Quadro 2000D and AMD Radeon HD 6770 differ, according to the data:

| Specification | NVIDIA Quadro 2000D | AMD Radeon HD 6770 |

| :--- | :--- | :--- |

| Architecture | Fermi | TeraScale 2 |

| Chip | GF106 | Juniper |

| Transistors | 1,170 million | 1,040 million |

| Die Size | 238 mm² | 166 mm² |

| Transistor Density | 4.9M / mm² | 6.3M / mm² |

| Memory Clock | 650 MHz (2.6 Gbps effective) | 1200 MHz (4.8 Gbps effective) |

| Memory Bandwidth | 41.60 GB/s | 76.80 GB/s |

| Shading Units | 192 | 800 |

| TMUs | 32 | 40 |

| Pixel Rate | 5.000 GPixel/s | 13.60 GPixel/s |

| Texture Rate | 20.00 GTexel/s | 34.00 GTexel/s |

| FP32 (GFLOPS) | 480.0 | 1,360.0 |

| TDP | 62 W | 108 W |

| Slot Width | Single-slot | Dual-slot |

| Power Connectors | None | 1x 6-pin |

| Suggested PSU | 250 W | 300 W |

| Display Outputs | 2x DVI | 2x DVI, 1x HDMI 1.3a, 2x mini-DisplayPort 1.1 |

| DirectX | 12 (11_0) | 11.2 (11_0) |

| OpenGL | 4.6 | 4.4 |

| Length | 178 mm (7 inches) | 198 mm (7.8 inches) |

| Release Date | 2011-10-04 | 2011-01-20 |

| Launch MSRP | 599 USD | 129 USD |