GPU Comparison

The NVIDIA Quadro P1000 and NVIDIA GeForce 820M are separated by more than just their release dates; the benchmark data reveals a decisive performance gap. In the single available head-to-head benchmark, the Quadro P1000 delivers a score of 13584 in Geekbench OpenCL, while the GeForce 820M manages only 2784. This represents a 387.9% advantage for the Quadro P1000, placing it in a completely different performance tier despite both cards being end-of-life products.

Head-to-Head Benchmarks

The only direct comparison available is the Geekbench OpenCL test, and the results are stark. The Quadro P1000 scores 13584, while the GeForce 820M scores 2784, giving the Quadro P1000 a win by a margin of 387.9%. This is not a close contest; it is a categorical victory for the Pascal-based professional card.

Looking at the broader benchmark context, the Quadro P1000’s average benchmark score is 3163 across all tests, which includes its strong OpenCL result and its Passmark G3D score of 4512. The GeForce 820M’s average benchmark score is 2784, which is identical to its OpenCL score because that is its only recorded benchmark. The Quadro P1000’s average score is 13.6% higher than the 820M’s, but this understates the true gap because the P1000’s average is dragged down by low DirectX-specific scores like its Passmark DirectX 9 score of 79.

In the Passmark suite, the Quadro P1000 shows a mixed profile. Its Passmark G3D score of 4512 is substantial, but its DirectX 9 score of 79 and DirectX 10 score of 21 are quite low, suggesting that its strength lies in modern workloads rather than legacy APIs. The GeForce 820M has no comparable Passmark data, meaning its only measurable performance is the OpenCL result, which is dramatically lower than the P1000’s. The data clearly indicates that for any compute-oriented task, the Quadro P1000 is the superior choice, with the 820M offering only a fraction of the performance.

FAQ

Q: How much faster is the NVIDIA Quadro P1000 than the GeForce 820M in OpenCL?

A: The Quadro P1000 scores 13584 in Geekbench OpenCL, while the GeForce 820M scores 2784. This translates to a 387.9% performance advantage for the Quadro P1000.

Q: Which GPU has a higher average benchmark score?

A: The Quadro P1000 has an average benchmark score of 3163, while the GeForce 820M has an average of 2784. The Quadro P1000 leads by 379 points, or roughly 13.6%.

Q: What is the percentile ranking for each GPU among all GPUs?

A: The Quadro P1000 sits in the 20th percentile of all GPUs, while the GeForce 820M sits in the 18th percentile. Both are in the lower half of the performance distribution, but the P1000 holds a slight edge.

Q: Which GPU has a higher Passmark G3D score?

A: The Quadro P1000 has a Passmark G3D score of 4512. The GeForce 820M has no recorded Passmark G3D score in the data, so no direct comparison is possible.

Q: Are both GPUs still in production?

A: No. Both the NVIDIA Quadro P1000 and the NVIDIA GeForce 820M are marked as end-of-life products in the data.

Q: What is the GeForce 820M’s closest rival based on average score?

A: The GeForce 820M’s nearest rival is the NVIDIA GeForce RTX 3060 Ti GDDR6X, which has an average score of 2795, representing a -0.4% delta. This is notable because the RTX 3060 Ti is a much newer card, yet the 820M nearly matches its average score in this dataset.

Architecture Differences

The architectural divide between these two GPUs is fundamental. The Quadro P1000 is built on the Pascal architecture using the GP107 chip, manufactured on a 14 nm process at Samsung. It packs 3,300 million transistors onto a 132 mm² die, resulting in a transistor density of 25.0M per mm². In contrast, the GeForce 820M uses the older Kepler architecture with the GK107 chip, built on a 28 nm process at TSMC. It contains only 1,270 million transistors on a 118 mm² die, giving it a much lower transistor density of 10.8M per mm².

The compute capabilities diverge sharply. The Quadro P1000 features 640 shading units, 40 texture mapping units, and 32 ROPs. Its pixel rate is 47.36 GPixel/s and its texture rate is 59.20 GTexel/s. The GeForce 820M, by contrast, has 384 shading units, 32 TMUs, and 16 ROPs, with a pixel rate of 6.480 GPixel/s and a texture rate of 25.92 GTexel/s. The P1000’s FP32 performance is 1.894 TFLOPS, while the 820M’s is just 622.1 GFLOPS, a more than threefold difference.

Memory architecture also differs completely. The Quadro P1000 uses 4 GB of GDDR5 memory on a 128-bit bus, delivering 80.19 GB/s of bandwidth. The GeForce 820M uses 2 GB of DDR3 memory on the same 128-bit bus, but only achieves 28.83 GB/s of bandwidth. The P1000’s memory clock is 1253 MHz (5 Gbps effective), while the 820M’s is 901 MHz (1802 Mbps effective). The P1000 also supports FP16 compute at 29.60 GFLOPS (1:64), a feature the 820M lacks entirely.

Specification Differences

The specification sheets reveal several key differences beyond raw performance. The Quadro P1000 has a base clock of 1266 MHz and a boost clock of 1480 MHz, while the GeForce 820M has no recorded base or boost clock in the data. Both cards use a PCIe 3.0 x16 interface, but their physical formats differ: the P1000 is a single-slot card measuring 150 mm (5.9 inches) in length and 69 mm (2.7 inches) in height, while the 820M is an MXM module with no dimensions listed, designed for portable devices.

Power requirements diverge as well. The Quadro P1000 has a TDP of 47 W, requires no power connectors, and suggests a 200 W PSU. The GeForce 820M has a TDP of 45 W, but no power connector or PSU recommendation is listed. Display outputs also differ: the P1000 offers 4x mini-DisplayPort 1.4a outputs, while the 820M’s outputs are described as "Portable Device Dependent," meaning they vary by the laptop or system it is installed in.

The API support shows the P1000’s newer architecture. It supports DirectX 12 (12_1), OpenGL 4.6, and Vulkan 1.4. The 820M supports DirectX 12 (11_0), OpenGL 4.6, and Vulkan 1.2.175. The P1000’s higher DirectX feature level and newer Vulkan version indicate better support for modern graphics APIs. The release dates also differ significantly: the Quadro P1000 launched on February 6, 2017, while the GeForce 820M launched on March 20, 2015, nearly two years earlier.

Where Each One Wins

The NVIDIA Quadro P1000 wins in every measurable category in this dataset. It wins the only head-to-head benchmark, the Geekbench OpenCL test, by 387.9%. Its average benchmark score of 3163 is higher than the 820M’s 2784, and it holds a higher percentile ranking at 20 versus 18. For compute workloads, professional applications, and any task that leverages modern APIs, the P1000 is clearly the superior choice.

The GeForce 820M’s only advantage is its lower TDP of 45 W compared to the P1000’s 47 W, a marginal difference of 2 W. It also comes in an MXM module format, which is suited for portable devices, whereas the P1000 is a standard single-slot card. However, in terms of raw performance, the 820M does not win any benchmark in the data. Its nearest rival is the NVIDIA GeForce RTX 3060 Ti GDDR6X, with a delta of -0.4%, which suggests that its performance level is comparable to that much newer card in this specific dataset, but that does not help it against the P1000.

The P1000’s Passmark scores paint a nuanced picture. Its G3D score of 4512 is strong, but its DirectX 9 score of 79, DirectX 10 score of 21, DirectX 11 score of 31, and DirectX 12 score of 19 are all very low, indicating that it is not optimized for legacy DirectX titles. The 820M has no such scores recorded, so its legacy performance is unknown. For users running older games or applications, neither card is ideal based on the available data.

The Verdict

The data is unambiguous: the NVIDIA Quadro P1000 is the far more capable GPU. Its 387.9% lead in OpenCL performance is decisive, and its higher average benchmark score of 3163 versus 2784 reinforces this conclusion. For any professional workflow, compute task, or modern application, the Quadro P1000 is the only rational choice between these two.

The GeForce 820M, with its Kepler architecture, 28 nm process, and DDR3 memory, is outclassed in every performance metric. Its only recorded benchmark, the OpenCL score of 2784, places it in the 18th percentile of all GPUs, just two points below the P1000’s 20th percentile. However, this percentile proximity is misleading, as the P1000’s percentile is dragged down by its weak DirectX scores, while its strong OpenCL and G3D results show where its true strengths lie.

Buyers should choose the Quadro P1000 if they need a card for compute, professional rendering, or any workload that uses OpenCL or modern APIs. Its 4 GB of GDDR5 memory, 1.894 TFLOPS of FP32 performance, and 80.19 GB/s of bandwidth make it a viable option for light professional work. The GeForce 820M, with its 2 GB of DDR3 memory and 622.1 GFLOPS, is only suitable for basic display output or very light tasks, and even then, its performance is severely limited. The verdict is clear: the Quadro P1000 wins outright, and the GeForce 820M is not competitive in any benchmark recorded.