NVIDIA GeForce GTX 650 vs NVIDIA Quadro 2000D Comparison

The NVIDIA Quadro 2000D and the NVIDIA GeForce GTX 650 are both end-of-life graphics cards from NVIDIA, but they target very different segments of the market. The Quadro 2000D is a professional workstation card from the Fermi generation, while the GTX 650 is a consumer desktop card from the Kepler generation. The benchmark data shows a clear performance gap between the two, with the GTX 650 taking a significant lead in the one compute test available, but the architectural differences and intended use cases tell a more nuanced story.

Architecture Differences

The two cards are built on fundamentally different architectures, reflecting their distinct design goals. The Quadro 2000D uses the GF106 chip, based on the Fermi architecture, which was already a generation old when the GTX 650 launched. The GTX 650, in contrast, uses the GK106 chip, based on the newer Kepler architecture. This generational leap is visible in the manufacturing process: the Quadro 2000D uses a 40 nm node, while the GTX 650 uses a smaller 28 nm node, both produced by TSMC. The smaller node allows the GTX 650 to pack far more transistors into a similar die area; the GTX 650 has 2,540 million transistors on a 221 mm² die, whereas the Quadro 2000D has 1,170 million transistors on a slightly larger 238 mm² die. This results in a transistor density of 11.5M / mm² for the GTX 650 versus 4.9M / mm² for the Quadro 2000D, highlighting the efficiency gains of the Kepler architecture.

The compute resources differ substantially. The Quadro 2000D has 192 shading units, 32 texture mapping units (TMUs), and 16 render output units (ROPs). The GTX 650 doubles the shading unit count to 384, while keeping the same 32 TMUs and 16 ROPs. This doubling of shading units is a key reason for the GTX 650's performance advantage in general-purpose compute workloads. The memory subsystems are also different in speed, though not in capacity or bus width: both cards feature 1024 MB of GDDR5 memory on a 128-bit bus, but the GTX 650 runs its memory at 1250 MHz (5 Gbps effective), yielding a bandwidth of 80.00 GB/s, while the Quadro 2000D runs at 650 MHz (2.6 Gbps effective), yielding only 41.60 GB/s. This gives the GTX 650 exactly double the memory bandwidth.

Other features also differ. The Quadro 2000D uses a PCIe 2.0 x16 bus interface, while the GTX 650 uses the newer PCIe 3.0 x16. The Quadro 2000D draws power from the slot alone, with no additional power connectors and a 62 W TDP, whereas the GTX 650 requires a single 6-pin power connector and has a slightly higher 65 W TDP. Both cards are single-slot designs. The Quadro 2000D offers two DVI outputs, while the GTX 650 provides one DVI and two DisplayPort 1.2 outputs. The GTX 650 also has broader API support, including Vulkan 1.2.175, while the Quadro 2000D has no Vulkan support listed. Both cards support DirectX 12 (11_0) and OpenGL 4.6.

Head-to-Head Benchmarks

The only direct head-to-head benchmark available is Geekbench OpenCL, and the results clearly favor the GTX 650. The Quadro 2000D scores 3930, while the GTX 650 scores 4545. This represents a delta of -13.5% for the Quadro 2000D, meaning the GTX 650 is approximately 13.5% faster in this OpenCL compute test. This is a significant margin, and it aligns with the architectural advantages of the GTX 650: double the shading units and double the memory bandwidth.

Looking at the broader benchmark context, the GTX 650 also has additional benchmark scores that the Quadro 2000D lacks. The GTX 650 achieves 2400 in Geekbench Metal and 4524 in Geekbench Vulkan, though these tests are not available for the Quadro 2000D, so no direct comparison is possible. The average benchmark score for the GTX 650 is 3823, which is actually lower than its OpenCL score due to the inclusion of the Metal result, which is significantly lower. The Quadro 2000D's average benchmark score is 3930, which matches its OpenCL score since that is its only test.

The percentile rankings are close: the Quadro 2000D sits at the 23rd percentile of all GPUs, while the GTX 650 sits at the 22nd percentile. This suggests that despite the GTX 650's advantage in the head-to-head test, both cards are in a similar performance tier overall. The nearest rivals for the Quadro 2000D include the NVIDIA Quadro K2000D (avg score 3919, delta 0.3%), the NVIDIA GeForce GT 745M (avg score 3953, delta -0.6%), and the AMD Radeon R5 M420 (avg score 3956, delta -0.7%). For the GTX 650, the nearest rivals are the NVIDIA GeForce MX110 (avg score 3834, delta -0.3%), the Intel UHD Graphics 710 (avg score 3792, delta 0.8%), and the AMD Radeon R5 Graphics (avg score 3883, delta -1.5%). The GTX 650's closest rival, the MX110, is actually slightly slower, while the Quadro 2000D's closest rival, the K2000D, is nearly identical in performance.

Where Each One Wins

The GTX 650 wins decisively in the only shared benchmark, the Geekbench OpenCL test. The 13.5% lead is substantial and reflects the card's architectural strengths. In terms of raw compute throughput, the GTX 650's FP32 performance is 812.5 GFLOPS, compared to 480.0 GFLOPS for the Quadro 2000D, a 69% advantage. The GTX 650 also has a higher pixel rate (8.464 GPixel/s versus 5.000 GPixel/s) and texture rate (33.86 GTexel/s versus 20.00 GTexel/s). These figures all point to the GTX 650 being the faster card for general-purpose compute and rasterization workloads.

The Quadro 2000D, however, has its own strengths in areas that are not captured by the benchmark data. As a Quadro product, it is designed for professional applications, and its display outputs (2x DVI) may be more suitable for certain workstation setups. It also has a lower TDP of 62 W and requires no additional power connectors, which could make it easier to install in systems with limited power delivery. The Quadro 2000D's launch MSRP is 599 USD, which positions it as a professional-grade product, though pricing is not the focus of this analysis. The GTX 650 has no launch MSRP listed.

The GTX 650 also wins on connectivity and API support. It offers DisplayPort 1.2 outputs, which the Quadro 2000D lacks, and it supports Vulkan 1.2.175, which the Quadro 2000D does not. The GTX 650's PCIe 3.0 interface is also newer than the Quadro 2000D's PCIe 2.0, potentially offering higher bandwidth in compatible systems.

The Verdict

The data is unambiguous: the NVIDIA GeForce GTX 650 is the faster card in compute workloads. Its 13.5% lead in Geekbench OpenCL, combined with its higher shading unit count, memory bandwidth, and FP32 throughput, makes it the superior choice for anyone prioritizing raw performance. The GTX 650's additional benchmark scores in Metal and Vulkan also demonstrate greater versatility across different compute APIs.

However, the choice is not purely about speed. The Quadro 2000D, despite being slower, offers a different set of features that may be relevant for specific professional use cases. Its lack of a power connector and lower TDP could be advantages in constrained environments. The Quadro 2000D also has a higher average benchmark score (3930) than the GTX 650 (3823), though this is skewed by the GTX 650's lower Metal score. The percentile rankings are nearly identical, with the Quadro 2000D at the 23rd percentile and the GTX 650 at the 22nd.

For most users, the GTX 650 is the better choice based on the benchmark data. It wins the only head-to-head test, has more compute resources, and offers broader API support. The Quadro 2000D is a niche product that may appeal to those who need its specific display outputs or power characteristics, but the performance gap is too large to ignore. The data suggests that the GTX 650 is the more capable card overall, and the Quadro 2000D's professional branding does not compensate for its slower architecture. Users with professional workloads should consider whether the Quadro's features justify the performance penalty, but from a pure performance standpoint, the GTX 650 wins.

FAQ

Q: Which card is faster in Geekbench OpenCL?

A: The NVIDIA GeForce GTX 650 is faster, scoring 4545 compared to the Quadro 2000D's 3930, a delta of -13.5% for the Quadro.

Q: How do the shading unit counts compare?

A: The GTX 650 has 384 shading units, while the Quadro 2000D has 192, giving the GTX 650 exactly double the shading units.

Q: Do both cards have the same memory configuration?

A: Yes, both have 1024 MB of GDDR5 memory on a 128-bit bus, but the GTX 650 has a higher memory clock (1250 MHz vs 650 MHz), resulting in 80.00 GB/s bandwidth versus 41.60 GB/s.

Q: What is the TDP difference between the two cards?

A: The Quadro 2000D has a TDP of 62 W and requires no power connectors, while the GTX 650 has a TDP of 65 W and requires a single 6-pin power connector.

Q: Which card supports Vulkan?

A: Only the GTX 650 supports Vulkan, with version 1.2.175 listed. The Quadro 2000D has no Vulkan support listed in the data.

Q: What are the nearest rivals for each card?

A: For the Quadro 2000D, the nearest rival is the NVIDIA Quadro K2000D (avg score 3919, delta 0.3%). For the GTX 650, the nearest rival is the NVIDIA GeForce MX110 (avg score 3834, delta -0.3%).

Specification Differences

| Specification | NVIDIA Quadro 2000D | NVIDIA GeForce GTX 650 |

|---|---|---|

| Architecture | Fermi | Kepler |

| Chip | GF106 | GK106 |

| Process Node | 40 nm | 28 nm |

| Transistors | 1,170 million | 2,540 million |

| Die Size | 238 mm² | 221 mm² |

| Transistor Density | 4.9M / mm² | 11.5M / mm² |

| Memory Clock | 650 MHz (2.6 Gbps effective) | 1250 MHz (5 Gbps effective) |

| Memory Bandwidth | 41.60 GB/s | 80.00 GB/s |

| Shading Units | 192 | 384 |

| Pixel Rate | 5.000 GPixel/s | 8.464 GPixel/s |

| Texture Rate | 20.00 GTexel/s | 33.86 GTexel/s |

| FP32 Performance | 480.0 GFLOPS | 812.5 GFLOPS |

| TDP | 62 W | 65 W |

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

| Bus Interface | PCIe 2.0 x16 | PCIe 3.0 x16 |

| Display Outputs | 2x DVI | 1x DVI, 2x DisplayPort 1.2 |

| Vulkan Support | None | 1.2.175 |

| Release Date | 2011-10-04 | 2013-11-26 |

| Length | 178 mm (7 inches) | 147 mm (5.8 inches) |

| Height | 111 mm (4.4 inches) | Not listed |

| Launch MSRP | 599 USD | Not listed |