NVIDIA GeForce GTX 960 vs NVIDIA Quadro K5000 Comparison

The NVIDIA Quadro K5000 and NVIDIA GeForce GTX 960 represent two very different philosophies from the same manufacturer, separated by roughly two and a half years of GPU evolution. The Quadro K5000 is a workstation-class card built on the Kepler architecture, while the GTX 960 is a consumer gaming card using the Maxwell 2.0 design. Benchmark data shows a clear split: the GTX 960 dominates in raw compute workloads, while the Quadro K5000 retains a notable edge in one specific graphics API test. Their average scores, percentile rankings, and nearest rival positions further illustrate how each card fits into the broader GPU landscape.

Head-to-Head Benchmarks

The most striking result in the head-to-head comparison is the GeForce GTX 960’s performance in Geekbench OpenCL, where it scores 18,925 against the Quadro K5000’s 11,418. That is a delta of -39.7%, meaning the GTX 960 is nearly 40% faster in this compute-oriented test. This is a substantial margin, and it suggests that the Maxwell 2.0 architecture’s higher clock speeds and improved instruction efficiency translate directly into superior raw compute throughput. The GTX 960 also wins decisively in Geekbench Metal, scoring 8,773 versus 6,324 for the Quadro K5000, a delta of -27.9%. Metal is Apple’s low-level graphics API, and the GTX 960’s 28% advantage here indicates that its architecture handles modern API workloads more efficiently, likely due to its newer feature set and higher base clock.

The Quadro K5000, however, does not go down without a fight. In Geekbench Vulkan, it scores 11,169 against the GTX 960’s 9,231, yielding a positive delta of 21% in favor of the Quadro. Vulkan is a cross-platform graphics and compute API known for its low overhead and explicit control. The Quadro K5000’s 21% lead here is curious, given its older architecture, but the data is unambiguous. This result might stem from the Quadro’s larger memory bus (256-bit versus 128-bit) or its higher memory bandwidth (172.8 GB/s versus 112.2 GB/s), which could benefit certain Vulkan workloads that are memory-bandwidth sensitive. Overall, the GTX 960 wins two of the three head-to-head tests, but the Quadro K5000’s Vulkan victory shows that it is not obsolete in every scenario.

Looking at average benchmark scores, the Quadro K5000 actually posts a higher average (9,637) than the GTX 960 (9,273), even though the GTX 960 wins the majority of individual tests. This is because the Quadro K5000’s Vulkan score is much higher, pulling its average up, while the GTX 960’s lower Vulkan score drags its average down despite its OpenCL and Metal dominance. The percentile rankings are close: the Quadro K5000 sits at the 46th percentile of all GPUs, while the GTX 960 is at the 45th percentile. These are essentially tied, confirming that neither card is a top-tier performer by modern standards, but both are mid-pack offerings.

Architecture Differences

The architectural gap between these two cards is significant, even though both are manufactured on the same 28 nm process node at TSMC. The Quadro K5000 uses the GK104 chip, which is part of NVIDIA’s Kepler architecture, while the GTX 960 uses the GM206 chip, belonging to the Maxwell 2.0 architecture. Kepler was designed for high throughput with a focus on compute performance, whereas Maxwell 2.0 refined efficiency and introduced better handling of modern graphics features. The transistor counts reflect this: the Quadro K5000 packs 3,540 million transistors on a 294 mm² die, giving a transistor density of 12.0 million per mm². The GTX 960, by contrast, uses 2,940 million transistors on a smaller 228 mm² die, achieving a higher density of 12.9 million per mm². This denser packing suggests that Maxwell 2.0 made more efficient use of each transistor, which is consistent with its lower power draw relative to performance.

Clock speeds tell a similar story of architectural advancement. The Quadro K5000 runs at a fixed 706 MHz for both base and boost, with no dynamic clocking headroom. The GTX 960, however, has a base clock of 1,127 MHz and a boost clock of 1,178 MHz, nearly 60% higher than the Quadro’s fixed speed. This clock advantage is a major reason why the GTX 960 wins in OpenCL and Metal. Memory clocks also differ substantially: the Quadro K5000’s memory runs at 1,350 MHz with 5.4 Gbps effective speed, while the GTX 960’s memory runs at 1,753 MHz with 7 Gbps effective. The GTX 960’s faster memory, combined with its higher core clocks, gives it a decisive edge in memory-sensitive workloads.

The shading unit counts are also divergent. The Quadro K5000 has 1,536 shading units and 128 texture mapping units, while the GTX 960 has 1,024 shading units and 64 TMUs. Despite having fewer shading units, the GTX 960 achieves higher FP32 performance (2.413 TFLOPS versus 2.169 TFLOPS) thanks to its higher clocks. Both cards have 32 ROPs, so pixel output is similar in architecture, but the GTX 960’s pixel rate is 37.70 GPixel/s versus 22.59 GPixel/s for the Quadro K5000, again due to clock speed. The texture rate is the only area where the Quadro K5000 leads, posting 90.37 GTexel/s against 75.39 GTexel/s for the GTX 960, a consequence of its higher TMU count.

Where Each One Wins

The GeForce GTX 960 is the clear winner for compute-heavy and modern API workloads. Its 39.7% lead in OpenCL makes it the better choice for general-purpose GPU computing, such as video encoding, physics simulations, or any task that leverages OpenCL for acceleration. The 27.9% advantage in Metal is equally important for users in Apple’s ecosystem, where Metal is the primary graphics and compute API. If the workload is based on OpenCL or Metal, the GTX 960 is the superior card by every measurable metric.

The Quadro K5000’s 21% victory in Vulkan is its sole bright spot, but it is a meaningful one. Vulkan is increasingly used in professional visualization and CAD applications, where low-overhead draw calls can improve performance in complex scenes. The Quadro K5000’s larger memory bus and higher bandwidth (172.8 GB/s versus 112.2 GB/s) may be why it wins here, as Vulkan workloads can be bandwidth-limited. For users running Vulkan-based rendering engines or scientific visualization tools, the Quadro K5000’s advantage is worth noting, even if it loses in other APIs.

In terms of raw specifications, the Quadro K5000 also wins on memory capacity with 4 GB versus 2 GB for the GTX 960. This extra memory can be critical for large datasets or high-resolution textures in professional applications, even if the bandwidth is lower. The GTX 960’s 2 GB is adequate for gaming at 1080p but may be limiting in professional contexts. The Quadro K5000 also supports more display outputs (2x DVI and 2x DisplayPort 1.2) compared to the GTX 960’s mix of 1x DVI, 1x HDMI 2.0, and 3x DisplayPort 1.2, which could matter for multi-monitor workstation setups.

Specification Differences

The specifications where these two cards differ are numerous and tell the full story. The process node is identical at 28 nm, but the die size differs: 294 mm² for the Quadro K5000 versus 228 mm² for the GTX 960. Transistor counts are 3,540 million versus 2,940 million, and transistor density is 12.0M per mm² versus 12.9M per mm². The base clock is 706 MHz for the Quadro K5000 and 1,127 MHz for the GTX 960, with boost clocks of 706 MHz and 1,178 MHz respectively. Memory speed differs at 1,350 MHz (5.4 Gbps effective) versus 1,753 MHz (7 Gbps effective). Memory size is 4 GB for the Quadro K5000 and 2 GB for the GTX 960, with bus widths of 256-bit and 128-bit. Bandwidth is 172.8 GB/s versus 112.2 GB/s. Shading units are 1,536 versus 1,024, TMUs are 128 versus 64, and ROPs are identical at 32. Pixel rate is 22.59 GPixel/s versus 37.70 GPixel/s, texture rate is 90.37 GTexel/s versus 75.39 GTexel/s, and FP32 performance is 2.169 TFLOPS versus 2.413 TFLOPS. The TDP is nearly identical at 122 W versus 120 W, both are dual-slot with a single 6-pin power connector, and both suggest a 300 W power supply. The bus interface differs: PCIe 2.0 x16 for the Quadro K5000 and PCIe 3.0 x16 for the GTX 960. Display outputs are 2x DVI and 2x DisplayPort 1.2 for the Quadro, versus 1x DVI, 1x HDMI 2.0, and 3x DisplayPort 1.2 for the GTX 960. The DirectX support also differs: 12 (11_0) for the Quadro K5000 and 12 (12_1) for the GTX 960, though both support OpenGL 4.6. Vulkan support is 1.2.175 for the Quadro and 1.4 for the GTX 960. Dimensions also vary, with the Quadro K5000 at 267 mm (10.5 inches) length and 111 mm (4.4 inches) height, while the GTX 960 is shorter at 241 mm (9.5 inches) with no listed height.

FAQ

Q: Which card has a higher average benchmark score?

A: The NVIDIA Quadro K5000 has an average benchmark score of 9,637, while the NVIDIA GeForce GTX 960 has an average of 9,273.

Q: In which benchmark does the Quadro K5000 beat the GTX 960?

A: The Quadro K5000 wins in Geekbench Vulkan, scoring 11,169 versus 9,231 for the GTX 960, a delta of 21%.

Q: What is the biggest performance gap between the two cards?

A: The largest gap is in Geekbench OpenCL, where the GTX 960 scores 18,925 against the Quadro K5000’s 11,418, a delta of -39.7% in favor of the GTX 960.

Q: How do their memory capacities compare?

A: The Quadro K5000 has 4 GB of GDDR5 memory, while the GTX 960 has 2 GB of GDDR5 memory. The Quadro also has a wider 256-bit bus versus 128-bit, giving it higher bandwidth at 172.8 GB/s versus 112.2 GB/s.

Q: Do both cards use the same power configuration?

A: Yes, both are dual-slot cards with a single 6-pin power connector and a suggested power supply of 300 W. Their TDPs are also very close, at 122 W for the Quadro K5000 and 120 W for the GTX 960.

Q: Which card has a higher percentile ranking among all GPUs?

A: The Quadro K5000 is at the 46th percentile, while the GTX 960 is at the 45th percentile, making them statistically equivalent in overall standing.

The Verdict

The data points to a clear split based on workload type. For users whose applications rely on OpenCL or Metal, the NVIDIA GeForce GTX 960 is the unequivocal choice, with a 39.7% advantage in OpenCL and a 27.9% advantage in Metal. Its higher clock speeds, faster memory, and superior FP32 performance (2.413 TFLOPS versus 2.169 TFLOPS) make it the more capable compute card in most scenarios. The GTX 960 also supports DirectX 12 (12_1) and Vulkan 1.4, giving it a more modern API feature set.

However, the NVIDIA Quadro K5000 holds its own in Vulkan workloads, where its 21% lead suggests that its larger memory bus and higher bandwidth are meaningful for certain professional applications. The Quadro also offers double the memory capacity (4 GB versus 2 GB), which is critical for large datasets, and its higher texture rate (90.37 GTexel/s versus 75.39 GTexel/s) could benefit texture-bound tasks. For workstation users who prioritize Vulkan performance and memory capacity over raw compute throughput, the Quadro K5000 remains a viable option.

In the end, the GTX 960 wins two of three head-to-head benchmarks and posts a higher FP32 throughput, making it the better all-around performer for most users. The Quadro K5000’s single Vulkan victory and higher average score (9,637 versus 9,273) do not outweigh the GTX 960’s dominant OpenCL and Metal results. The choice comes down to the specific API and memory requirements of the intended workload: GTX 960 for compute and modern APIs, Quadro K5000 for Vulkan-centric professional tasks and larger memory footprints.