AMD Radeon RX 6650 XT vs NVIDIA Quadro K5200 Comparison

Head-to-Head Benchmarks

The only two shared benchmark results in the data are Geekbench OpenCL and Geekbench Vulkan, and they split decisively. In Geekbench OpenCL, the NVIDIA Quadro K5200 posts a score of 19024 against the AMD Radeon RX 6650 XT's 10111, giving NVIDIA a 46.9% advantage. That is a massive lead in compute-oriented OpenCL workloads, and it reflects the Quadro's professional-grade compute design. The AMD card loses this round by a wide margin, and there is no way to spin that result as close.

The Vulkan result flips the script entirely. The Radeon RX 6650 XT scores 81306 in Geekbench Vulkan, while the Quadro K5200 manages only 20180. That is a 302.9% lead for AMD — more than quadruple the NVIDIA card's score. This is not a marginal win; it is a generational gap in graphics API performance. The Radeon is faster by a factor of roughly four in Vulkan, which is the modern cross-platform graphics API that matters for current games and many compute workloads.

Looking at the overall averages, the AMD Radeon RX 6650 XT has an average benchmark score of 19765, while the NVIDIA Quadro K5200 sits at 19602. That is a 0.8% difference in favor of AMD, per the nearestRivals data. The Quadro K5200's own nearestRivals list shows the Radeon RX 6650 XT at -0.8% relative to it, confirming the two cards are effectively tied in aggregate performance across all tested workloads. The Radeon RX 6650 XT's percentile rank is 65 among all GPUs, and the Quadro K5200's is 64 — essentially the same tier.

The data shows a clear split personality: the Quadro K5200 dominates in OpenCL compute, while the Radeon RX 6650 XT crushes it in Vulkan graphics. If your workload is OpenCL-heavy, the Quadro is the obvious choice by a 46.9% margin. If you need Vulkan performance, the Radeon is not just better — it is in another league entirely. The wins are one apiece, but the magnitude of the Vulkan win (302.9%) dwarfs the OpenCL win (46.9%) in raw percentage terms.

Architecture Differences

The architectural gap between these two cards is vast, and it explains every benchmark result. The AMD Radeon RX 6650 XT uses the Navi 23 chip on RDNA 2.0 architecture, built on a 7 nm TSMC process. The Quadro K5200 uses the GK110B chip on Kepler architecture, built on a 28 nm TSMC process. That is a difference of two full process nodes — 7 nm versus 28 nm — which directly impacts transistor density. The Radeon packs 11,060 million transistors into a 237 mm² die, yielding a density of 46.7 million transistors per mm². The Quadro has 7,080 million transistors on a much larger 561 mm² die, giving it just 12.6 million per mm². The Radeon is nearly four times denser, which explains how it achieves far higher clock speeds at similar power draw.

Clock speeds tell the same story. The Radeon RX 6650 XT has a base clock of 2055 MHz and a boost clock of 2635 MHz, with a game clock of 2410 MHz. The Quadro K5200 runs at a base of 667 MHz and boosts to 771 MHz. That is a massive frequency advantage for AMD — the Radeon's base clock is over three times the Quadro's boost clock. This is not a small refinement; it is a completely different era of chip design.

Memory architecture also differs fundamentally. The Radeon uses 8 GB of GDDR6 on a 128-bit bus, delivering 280.3 GB/s of bandwidth. The Quadro uses 8 GB of GDDR5 on a 256-bit bus, delivering 192.3 GB/s. The Radeon has more bandwidth despite a narrower bus because GDDR6 runs at 17.5 Gbps effective versus the Quadro's 6 Gbps effective. The Quadro's memory clock is 1502 MHz, while the Radeon's is 2190 MHz. Both cards have 8 GB, but the Radeon moves data significantly faster.

Feature support diverges heavily. The Radeon has 32 ray tracing cores, while the Quadro has none. The Radeon supports DirectX 12 Ultimate (12_2), while the Quadro only supports DirectX 12 (11_1). Vulkan support is 1.4 on the Radeon versus 1.2.175 on the Quadro. The Radeon has a PCIe 4.0 x8 interface; the Quadro uses PCIe 3.0 x16. Display outputs differ too: the Radeon has 1x HDMI 2.1 and 3x DisplayPort 1.4a, while the Quadro has 2x DVI and 2x DisplayPort 1.2. The Radeon's pixel rate is 168.6 GPixel/s versus 37.01 GPixel/s for the Quadro, and its texture rate is 337.3 GTexel/s versus 148.0 GTexel/s. FP32 compute is 10.79 TFLOPS for the Radeon versus 3.553 TFLOPS for the Quadro. The Radeon also supports FP16 at 21.59 TFLOPS (2:1), while the Quadro has no FP16 data at all.

FAQ

Q: Which card is faster overall?

A: The average benchmark scores are nearly identical: 19765 for the AMD Radeon RX 6650 XT versus 19602 for the NVIDIA Quadro K5200, a 0.8% difference in AMD's favor. The percentile ranks are 65 and 64 respectively, so they sit in the same performance tier.

Q: Why does the Quadro K5200 win OpenCL by so much?

A: The Quadro K5200 scores 19024 in Geekbench OpenCL versus 10111 for the Radeon RX 6650 XT, a 46.9% lead. This likely reflects the Quadro's Kepler architecture and its 2304 shading units, which outnumber the Radeon's 2048, combined with its wider 256-bit memory bus for compute-heavy access patterns.

Q: Is the Radeon RX 6650 XT better for gaming?

A: The Vulkan benchmark strongly suggests yes. The Radeon scores 81306 versus 20180 in Geekbench Vulkan, a 302.9% advantage. Combined with DirectX 12 Ultimate support and ray tracing cores, the Radeon has modern gaming features the Quadro lacks entirely.

Q: Do both cards have the same memory capacity?

A: Yes, both have 8 GB. But the Radeon uses GDDR6 with 280.3 GB/s bandwidth on a 128-bit bus, while the Quadro uses GDDR5 with 192.3 GB/s on a 256-bit bus. The Radeon has roughly 46% more bandwidth.

Q: Which card is more power efficient?

A: The Radeon RX 6650 XT has a TDP of 176 W versus 150 W for the Quadro K5200, so the Quadro draws less power. However, the Radeon delivers over three times the FP32 compute (10.79 TFLOPS versus 3.553 TFLOPS) and much higher clock speeds, so performance per watt heavily favors AMD.

Q: Can the Quadro K5200 handle modern APIs?

A: It supports DirectX 12 (11_1), OpenGL 4.6, and Vulkan 1.2.175. It lacks DirectX 12 Ultimate features and ray tracing cores. The Radeon supports DirectX 12 Ultimate (12_2) and Vulkan 1.4, making it far more future-proof for new titles.

Specification Differences

The two cards differ in nearly every specification. The Radeon RX 6650 XT uses a 7 nm process versus 28 nm for the Quadro K5200. Transistor count is 11,060 million versus 7,080 million, and die size is 237 mm² versus 561 mm². Transistor density is 46.7M per mm² versus 12.6M per mm². Base clock is 2055 MHz versus 667 MHz, boost clock is 2635 MHz versus 771 MHz, and the Radeon has a game clock of 2410 MHz while the Quadro has none listed. Memory type is GDDR6 versus GDDR5, with effective speeds of 17.5 Gbps versus 6 Gbps. Bus width is 128-bit versus 256-bit, and bandwidth is 280.3 GB/s versus 192.3 GB/s. Shading units are 2048 versus 2304, TMUs are 128 versus 192, and ROPs are 64 versus 48. The Radeon has 32 ray tracing cores; the Quadro has none. Pixel rate is 168.6 GPixel/s versus 37.01 GPixel/s, and texture rate is 337.3 GTexel/s versus 148.0 GTexel/s. FP32 is 10.79 TFLOPS versus 3.553 TFLOPS. The Radeon has FP16 at 21.59 TFLOPS (2:1); the Quadro has no FP16 data. TDP is 176 W versus 150 W. Power connectors are 1x 8-pin versus 1x 6-pin. Bus interface is PCIe 4.0 x8 versus PCIe 3.0 x16. Display outputs are 1x HDMI 2.1 plus 3x DisplayPort 1.4a versus 2x DVI plus 2x DisplayPort 1.2. DirectX support is 12 Ultimate (12_2) versus 12 (11_1), and Vulkan is 1.4 versus 1.2.175. The Quadro has listed dimensions of 267 mm length and 111 mm height; the Radeon has none listed. Release dates are 2022-05-09 for AMD and 2014-07-21 for NVIDIA. The Radeon has a launch MSRP of 399 USD; the Quadro has no launch MSRP listed.

The Verdict

The data points to a clear generational split. The AMD Radeon RX 6650 XT is the modern card: 7 nm process, RDNA 2.0 architecture, ray tracing cores, DirectX 12 Ultimate, Vulkan 1.4, and a 302.9% lead in Geekbench Vulkan. The NVIDIA Quadro K5200 is the older professional card: 28 nm process, Kepler architecture, no ray tracing, DirectX 12 (11_1), and a 46.9% lead in Geekbench OpenCL. The average benchmark scores are within 0.8% of each other, so in aggregate they are peers. But the workloads they excel at could not be more different.

If your primary concern is OpenCL compute — typical of certain professional, scientific, or render workloads — the Quadro K5200 is the stronger choice by a wide margin. If your primary concern is Vulkan graphics or modern gaming features, the Radeon RX 6650 XT is not just better; it is over four times faster in that specific test. The Quadro's 2304 shading units and 192 TMUs give it raw compute muscle that the Radeon cannot match in OpenCL, despite the Radeon's far higher clocks and newer architecture. Conversely, the Radeon's 32 ray tracing cores, 10.79 TFLOPS FP32, and 280.3 GB/s bandwidth make it vastly superior for graphics-heavy tasks.

The Radeon also wins on efficiency in raw numbers: it delivers over three times the FP32 compute at just 26 W more TDP. The Quadro's 150 W TDP is lower, but its performance is also far lower. Both cards are end-of-life, so neither is a forward-looking purchase — but the Radeon's 2022 release date versus the Quadro's 2014 release date means the Radeon supports modern APIs and features that the Quadro simply cannot.

Where Each One Wins

AMD Radeon RX 6650 XT wins in: Vulkan-based workloads (81306 versus 20180, a 302.9% lead), modern gaming with DirectX 12 Ultimate, ray-traced content (32 RT cores versus none), high-resolution texture streaming (280.3 GB/s bandwidth versus 192.3 GB/s), and compute tasks that leverage FP16 (21.59 TFLOPS versus no FP16 support). It is also the only card with PCIe 4.0 support and DisplayPort 1.4a outputs, making it the better match for current motherboards and high-refresh monitors.

NVIDIA Quadro K5200 wins in: OpenCL compute (19024 versus 10111, a 46.9% lead), pixel-fill workloads that benefit from its 48 ROPs at a 256-bit memory bus, and tasks that prefer a wider memory interface despite lower bandwidth. Its 2304 shading units and 192 TMUs outnumber the Radeon's 2048 and 128, respectively, which helps in certain parallel compute patterns. It also draws less power (150 W versus 176 W) and has dual DVI outputs for legacy display connectivity, plus a full-length 267 mm board for workstations with older chassis requirements.

The practical guidance is straightforward: pick the Radeon for anything graphics-forward or modern, and pick the Quadro only if OpenCL compute is the dominant workload and you need its specific compute characteristics. The aggregate scores are tied, but the workload-specific deltas are enormous in opposite directions. There is no "best" card here — there is only the right tool for the job, and the data makes that choice unambiguous.