NVIDIA GeForce RTX 5050 vs NVIDIA Tesla K20m Comparison

The NVIDIA GeForce RTX 5050 and NVIDIA Tesla K20m are separated by more than a decade of GPU architecture, and the benchmark data reflects a generational chasm. The RTX 5050, built on the 5 nm process with Blackwell 2.0 architecture, delivers an average benchmark score of 21,035, placing it in the 66th percentile of all GPUs. The Tesla K20m, a 28 nm Kepler compute card from 2013, averages 19,089 and sits in the 64th percentile. While both are numerically close in percentile rank, the head-to-head results tell a different story: the RTX 5050 wins both available comparisons outright, with a 456.2% lead in Geekbench OpenCL and a 307.5% lead in Geekbench Vulkan. The data indicates that the RTX 5050 is not merely faster—it operates in a different performance class entirely.

Where Each One Wins

The RTX 5050 dominates every benchmark category where both cards have data. In Geekbench OpenCL, the RTX 5050 scores 90,334 versus the Tesla K20m's 16,241—a 456.2% advantage. This is a compute-heavy workload, and the modern card's 13.17 TFLOPS of FP32 throughput versus the Tesla's 3.524 TFLOPS explains the scale of the margin. The RTX 5050 also wins Geekbench Vulkan with 89,381 points against 21,936, a 307.5% gap, which reflects its support for Vulkan 1.4 and modern rendering pipelines.

The Tesla K20m has no wins in the head-to-head data. Its only competitive niche, if any, would be legacy compute environments that require its specific Kepler architecture or its 5 GB GDDR5 memory configuration. However, no benchmark in the FACT PACK supports such a claim. The Tesla's 225 W TDP and 550 W suggested PSU suggest it was designed for dense compute racks, not consumer workloads. In contrast, the RTX 5050's 130 W TDP and 300 W suggested PSU make it far more accessible for standard desktop systems.

For gaming and consumer applications, the RTX 5050's feature set is decisive. It includes 20 RT cores and 80 tensor cores, enabling hardware ray tracing and AI acceleration—capabilities entirely absent from the Tesla K20m, which has neither. The RTX 5050 also supports DirectX 12 Ultimate (12_2), while the Tesla is limited to DirectX 12 (11_0). The Passmark suite further illustrates the RTX 5050's breadth: it scores 17,326 in G3D, 9,184 in GPU compute, and 1,113 in G2D, whereas the Tesla has no Passmark entries at all.

The Verdict

The data is unambiguous: the NVIDIA GeForce RTX 5050 is the superior card for virtually any use case a reader might consider. It wins both head-to-head benchmarks with margins exceeding 300%, offers modern API support, and includes ray tracing and tensor core hardware that the Tesla K20m simply lacks. The RTX 5050's 66th percentile ranking versus the Tesla's 64th percentile might suggest parity, but the head-to-head deltas reveal that the RTX 5050 is closer in performance to cards like the AMD Radeon RX 5600 XT (1.6% ahead) and the NVIDIA RTX A4000 Mobile (1.6% behind) than to the Tesla.

Who should pick the Tesla K20m? Only a user with a legacy Kepler-specific compute workload, or someone constrained to its 5 GB memory pool and 320-bit bus. The Tesla's 208.0 GB/s bandwidth is respectable for its era, but the RTX 5050's 320.0 GB/s bandwidth exceeds it by over 50%. The Tesla's 2,496 shading units and 208 TMUs are numerically higher than the RTX 5050's 2,560 and 80, respectively, but the clock speed and architecture differences render those counts irrelevant—the RTX 5050's pixel rate of 82.30 GPixel/s more than doubles the Tesla's 36.71 GPixel/s.

For everyone else, the RTX 5050 is the only rational choice. It is an active production card with a launch MSRP of 249 USD, while the Tesla K20m is end-of-life with a launch MSRP of 3,199 USD. The RTX 5050 offers display outputs (1x HDMI 2.1b, 3x DisplayPort 2.1b), whereas the Tesla has no outputs. The verdict is simple: the RTX 5050 is the modern, capable, and feature-complete option, and the Tesla K20m is a relic whose only advantage is historical.

Head-to-Head Benchmarks

The largest win for the RTX 5050 comes in Geekbench OpenCL, where it scores 90,334 against the Tesla K20m's 16,241. That is a 456.2% delta, meaning the RTX 5050 delivers over five times the OpenCL performance. This result is consistent with the raw compute specifications: the RTX 5050's FP32 throughput of 13.17 TFLOPS is 3.7 times the Tesla's 3.524 TFLOPS, and the modern card's 16,900 million transistors on a 149 mm² die achieve a density of 113.4M transistors per mm², versus the Tesla's 7,080 million transistors on a 561 mm² die at 12.6M per mm². The process node advantage—5 nm versus 28 nm—allows the RTX 5050 to pack more compute into less silicon while consuming less power.

In Geekbench Vulkan, the RTX 5050 scores 89,381 versus the Tesla's 21,936, a 307.5% lead. Vulkan is a modern low-overhead API, and the Tesla's support for Vulkan 1.2.175 is present but dated. The RTX 5050's Vulkan 1.4 support, combined with its higher texture rate (205.8 GTexel/s versus 146.8 GTexel/s), explains the substantial gap. The RTX 5050's 8 GB GDDR6 memory at 20 Gbps effective provides 320.0 GB/s of bandwidth, while the Tesla's 5 GB GDDR5 at 5.2 Gbps effective yields 208.0 GB/s—a 53.8% bandwidth deficit that further hampers the older card.

The only category where the Tesla shows numerical superiority is in TMUs and ROPs: 208 TMUs and 40 ROPs versus the RTX 5050's 80 TMUs and 32 ROPs. However, the Tesla's texture rate of 146.8 GTexel/s is lower than the RTX 5050's 205.8 GTexel/s, and its pixel rate of 36.71 GPixel/s is less than half the RTX 5050's 82.30 GPixel/s. These raw counts do not translate to real-world wins because the Kepler architecture's clock speeds and efficiency cannot compensate for the generational leap in Blackwell 2.0.

FAQ

Q: Which card has better compute performance in OpenCL?

A: The RTX 5050 wins decisively, scoring 90,334 in Geekbench OpenCL versus the Tesla K20m's 16,241—a 456.2% advantage.

Q: Does the Tesla K20m support ray tracing?

A: No. The Tesla K20m has no RT cores or tensor cores. The RTX 5050 includes 20 RT cores and 80 tensor cores.

Q: What are the memory specifications of each card?

A: The RTX 5050 has 8 GB of GDDR6 on a 128-bit bus with 320.0 GB/s bandwidth. The Tesla K20m has 5 GB of GDDR5 on a 320-bit bus with 208.0 GB/s bandwidth.

Q: Which card is better for modern gaming APIs?

A: The RTX 5050 supports DirectX 12 Ultimate (12_2) and Vulkan 1.4, while the Tesla K20m is limited to DirectX 12 (11_0) and Vulkan 1.2.175.

Q: How do their power requirements compare?

A: The RTX 5050 has a 130 W TDP and requires a 300 W PSU. The Tesla K20m has a 225 W TDP and requires a 550 W PSU.

Q: Are there any benchmarks where the Tesla K20m wins?

A: No. In the two head-to-head benchmarks available (Geekbench OpenCL and Vulkan), the RTX 5050 wins both with deltas of 456.2% and 307.5%, respectively.

Architecture Differences

The RTX 5050 uses the GB207 chip built on TSMC's 5 nm process, implementing Blackwell 2.0 architecture. It contains 16,900 million transistors on a 149 mm² die, achieving a density of 113.4M transistors per mm². The Tesla K20m uses the GK110 chip on a 28 nm process, implementing Kepler architecture, with 7,080 million transistors on a 561 mm² die—a density of just 12.6M per mm². This process disparity is the root cause of the performance gap: the RTX 5050 packs more than twice the transistors into a quarter of the die area.

The memory subsystems differ fundamentally. The RTX 5050 offers 8 GB of GDDR6 on a 128-bit bus running at 2500 MHz (20 Gbps effective), yielding 320.0 GB/s. The Tesla K20m has 5 GB of GDDR5 on a wider 320-bit bus at 1300 MHz (5.2 Gbps effective), yielding 208.0 GB/s. Despite the narrower bus, the RTX 5050's higher clock speed and newer memory type deliver 53.8% more bandwidth.

Core counts show a mixed picture. The RTX 5050 has 2,560 shading units, 80 TMUs, and 32 ROPs, along with 20 RT cores and 80 tensor cores. The Tesla K20m has 2,496 shading units, 208 TMUs, and 40 ROPs, but no RT or tensor cores. The Tesla's higher TMU and ROP counts are offset by its lower clock speeds and older architecture, as evidenced by its lower texture and pixel rates.

Feature support is a major differentiator. The RTX 5050 supports PCIe 5.0 x8, while the Tesla uses PCIe 2.0 x16. The RTX 5050 includes display outputs (1x HDMI 2.1b, 3x DisplayPort 2.1b); the Tesla has none. The RTX 5050's API support spans DirectX 12 Ultimate (12_2), OpenGL 4.6, and Vulkan 1.4, whereas the Tesla lags with DirectX 12 (11_0), OpenGL 4.6, and Vulkan 1.2.175. Power delivery also diverges: the RTX 5050 uses a single 8-pin connector at 130 W TDP, while the Tesla requires a 6-pin plus 8-pin configuration at 225 W TDP.