NVIDIA GeForce GTX 1080 Ti vs NVIDIA GeForce GTX 965M Comparison

The NVIDIA GeForce GTX 1080 Ti and the NVIDIA GeForce GTX 965M represent two distinct eras and purposes within NVIDIA’s lineup. The data shows a clear performance hierarchy, but the GTX 965M’s role as a mobile solution means the comparison is not just about raw speed. The GTX 1080 Ti, a desktop flagship from the Pascal generation, dominates in every shared benchmark, while the GTX 965M, a Maxwell-based laptop part, offers a fundamentally different feature set. This analysis will break down where each card wins, explore their architectural differences, and provide a detailed specification comparison based solely on the provided data.

Where Each One Wins

The benchmark results are unequivocal: the GTX 1080 Ti wins in both head-to-head tests, with a 100% win rate. The GTX 965M does not secure a single victory in the shared benchmarks. The Geekbench OpenCL score for the GTX 1080 Ti is 67929, compared to 14509 for the GTX 965M, representing a massive 368.2% advantage for the desktop card. Similarly, in Geekbench Vulkan, the GTX 1080 Ti scores 40511 against the GTX 965M’s 14299, a 183.3% lead. These are not marginal differences; they indicate a completely different performance tier.

The GTX 1080 Ti’s win condition is any scenario demanding high-end compute or graphics throughput. Its average benchmark score of 15548 places it in the 58th percentile of all GPUs, with nearest rivals including the AMD Radeon Pro W5500 (0.8% slower) and the NVIDIA GeForce RTX 2060 (1.7% slower). The GTX 965M, conversely, sits at the 56th percentile with an average score of 14404, competing with integrated graphics like the AMD Radeon RX Vega 11 (0.1% slower) and the Intel Iris Xe MAX Graphics (0.6% slower). The GTX 965M’s win condition is not performance but portability; it is a mobile part designed for laptops, whereas the GTX 1080 Ti is a dual-slot desktop card. The data cannot show a scenario where the GTX 965M wins on speed, but its form factor is its defining characteristic.

Architecture Differences

The two GPUs are built on entirely different architectures and manufacturing processes. The GTX 1080 Ti uses the Pascal architecture on a 16 nm process at TSMC, while the GTX 965M uses the older Maxwell 2.0 architecture on a 28 nm process at the same foundry. This generational leap is reflected in the transistor counts: the GTX 1080 Ti packs 11,800 million transistors on a 471 mm² die, yielding a density of 25.1M transistors per mm². The GTX 965M’s GM204 chip contains 5,200 million transistors on a 398 mm² die, for a density of 13.1M / mm². The smaller process node allows the GTX 1080 Ti to nearly double the transistor density, enabling far more compute units.

The core configurations differ drastically. The GTX 1080 Ti features 3584 shading units, 224 texture mapping units (TMUs), and 88 raster operations pipelines (ROPs). In contrast, the GTX 965M has 1024 shading units, 64 TMUs, and 32 ROPs. This means the GTX 1080 Ti has 3.5 times the shading units and 2.75 times the ROPs. Clock speeds also favor the desktop card: the GTX 1080 Ti has a base clock of 1481 MHz and a boost of 1582 MHz, while the GTX 965M runs at 924 MHz base and 950 MHz boost. The memory subsystems are equally divergent. The GTX 1080 Ti uses 11 GB of GDDR5X on a 352-bit bus, achieving 484.4 GB/s of bandwidth, while the GTX 965M has 2 GB of GDDR5 on a 128-bit bus, providing only 80.19 GB/s. Both support DirectX 12 (12_1), OpenGL 4.6, and Vulkan 1.4, but the GTX 1080 Ti’s FP32 throughput of 11.34 TFLOPS dwarfs the GTX 965M’s 1.946 TFLOPS. The GTX 1080 Ti also lists FP16 performance at 177.2 GFLOPS, while the GTX 965M has no FP16 figure listed.

FAQ

Q: Which card has more shading units?

A: The GTX 1080 Ti has 3584 shading units, while the GTX 965M has 1024. This is a 3.5x difference in raw shader count.

Q: What is the memory bandwidth difference?

A: The GTX 1080 Ti’s memory bandwidth is 484.4 GB/s, compared to 80.19 GB/s for the GTX 965M. The desktop card’s GDDR5X memory on a 352-bit bus provides over six times the bandwidth.

Q: Are both cards based on the same architecture?

A: No. The GTX 1080 Ti uses the Pascal architecture, while the GTX 965M uses Maxwell 2.0. They also use different process nodes: 16 nm for the GTX 1080 Ti and 28 nm for the GTX 965M.

Q: How do they compare in the Geekbench Vulkan benchmark?

A: The GTX 1080 Ti scores 40511, which is 183.3% higher than the GTX 965M’s score of 14299. This indicates a significant advantage in Vulkan-based workloads for the desktop card.

Q: Which card has a higher average benchmark score?

A: The GTX 1080 Ti has an average benchmark score of 15548, while the GTX 965M averages 14404. This puts the GTX 1080 Ti in the 58th percentile of all GPUs, versus the 56th percentile for the GTX 965M.

Q: What are the power connector requirements?

A: The GTX 1080 Ti requires 1x 6-pin + 1x 8-pin power connectors, while the GTX 965M has none, as it is an MXM module designed to draw power from the laptop motherboard.

Specification Differences

| Specification | NVIDIA GeForce GTX 1080 Ti | NVIDIA GeForce GTX 965M |

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

| Architecture | Pascal | Maxwell 2.0 |

| Process Node | 16 nm | 28 nm |

| Transistors | 11,800 million | 5,200 million |

| Die Size | 471 mm² | 398 mm² |

| Transistor Density | 25.1M / mm² | 13.1M / mm² |

| Base Clock | 1481 MHz | 924 MHz |

| Boost Clock | 1582 MHz | 950 MHz |

| Memory Clock | 1376 MHz (11 Gbps effective) | 1253 MHz (5 Gbps effective) |

| Memory Size | 11 GB | 2 GB |

| Memory Type | GDDR5X | GDDR5 |

| Memory Bus Width | 352 bit | 128 bit |

| Memory Bandwidth | 484.4 GB/s | 80.19 GB/s |

| Shading Units | 3584 | 1024 |

| TMUs | 224 | 64 |

| ROPs | 88 | 32 |

| Pixel Rate | 139.2 GPixel/s | 30.40 GPixel/s |

| Texture Rate | 354.4 GTexel/s | 60.80 GTexel/s |

| FP32 Performance | 11.34 TFLOPS | 1.946 TFLOPS |

| FP16 Performance | 177.2 GFLOPS (1:64) | null |

| TDP | 250 W | null |

| Slot Width | Dual-slot | MXM Module |

| Power Connectors | 1x 6-pin + 1x 8-pin | None |

| Suggested PSU | 600 W | null |

| Bus Interface | PCIe 3.0 x16 | MXM-B (3.0) |

| Display Outputs | 1x HDMI 2.0, 3x DisplayPort 1.4a | Portable Device Dependent |

| Release Date | 2017-03-09 | 2015-01-08 |

Head-to-Head Benchmarks

The only two shared benchmarks between the cards are Geekbench OpenCL and Geekbench Vulkan, and the results are one-sided. In Geekbench OpenCL, the GTX 1080 Ti scores 67929, which is 368.2% higher than the GTX 965M’s 14509. This is the largest delta between the two cards in any test. The margin reflects the combined impact of the GTX 1080 Ti’s newer architecture, higher clocks, and vastly superior memory bandwidth. OpenCL workloads often scale with raw compute throughput, and the GTX 1080 Ti’s 11.34 TFLOPS FP32 performance versus 1.946 TFLOPS for the GTX 965M explains the gap.

In Geekbench Vulkan, the GTX 1080 Ti scores 40511 against the GTX 965M’s 14299, a 183.3% advantage. While still a dominant win, the smaller margin compared to OpenCL suggests that Vulkan’s lower-level API may be less sensitive to raw memory bandwidth and more dependent on shader core efficiency. Regardless, the GTX 1080 Ti outperforms the GTX 965M by a factor of nearly three in this test. The GTX 965M’s nearest rivals in the overall benchmark database include the AMD Radeon RX Vega 11 (0.1% faster) and the NVIDIA GeForce GTX TITAN (0.2% slower), which contextualizes its performance level as being near integrated graphics solutions. The GTX 1080 Ti, by contrast, trades blows with discrete desktop cards like the AMD Radeon Pro W5500 and the NVIDIA GeForce RTX 2060, highlighting the two cards’ different competitive fields.

The Verdict

The data presents a straightforward conclusion for performance: the NVIDIA GeForce GTX 1080 Ti is in a completely different league than the NVIDIA GeForce GTX 965M. With a 368.2% lead in Geekbench OpenCL and a 183.3% lead in Geekbench Vulkan, the desktop card is the clear choice for any user prioritizing raw compute or graphics capability. Its average benchmark score of 15548 places it alongside modern desktop GPUs like the RTX 2060, while the GTX 965M’s average of 14404 positions it near integrated graphics such as the Radeon RX Vega 11. Anyone building a desktop workstation or gaming rig should select the GTX 1080 Ti, provided they can accommodate its dual-slot size, 250 W TDP, and 600 W suggested PSU.

The GTX 965M, however, serves a different purpose entirely. As an MXM module with no power connectors and portable-device-dependent display outputs, it is designed exclusively for laptop integration. Its end-of-life status and 2015 release date indicate it is an older mobile solution, not a competitor to the GTX 1080 Ti. The data shows no scenario where the GTX 965M wins on performance, but its form factor is the only reason to consider it: it exists for systems where a desktop card physically cannot fit. For a user with a compatible laptop needing a modest GPU upgrade from older integrated graphics, the GTX 965M could suffice, but the benchmark data clearly shows it is not in the same performance class as the GTX 1080 Ti. The verdict is simple: pick the GTX 1080 Ti for desktop performance, and only pick the GTX 965M if the requirement is a mobile MXM form factor.