AMD Radeon RX 7600M XT vs NVIDIA Tesla K20Xm Comparison

The AMD Radeon RX 7600M XT and the NVIDIA Tesla K20Xm are separated by more than a decade of GPU architecture, and the benchmark data reflects that chasm clearly. The RX 7600M XT lands at the 52nd percentile of all GPUs, with an average benchmark score of 12,710, while the Tesla K20Xm sits at the same 52nd percentile with an average score of 12,625. That 0.7% gap in average score places them as direct rivals, but their performance profiles could not be more different when you look at specific workloads.

Head-to-Head Benchmarks

The only shared benchmark between the two cards is Geekbench OpenCL, and the result is a landslide. The AMD Radeon RX 7600M XT scores 74,869, while the NVIDIA Tesla K20Xm manages only 17,215. That is a 334.9% advantage for the AMD part — more than four times the raw compute score. This is not a marginal win; it is a generational obliteration. The RX 7600M XT’s FP32 throughput of 20.23 TFLOPS dwarfs the Tesla K20Xm’s 3.935 TFLOPS, and that compute advantage shows up directly in the OpenCL result.

Looking at the broader benchmark picture, the RX 7600M XT has a much deeper test suite. It scores 20,48 in 3DMark Steel Nomad DX12, 27,793 in Geekbench Vulkan, and 13,907 in Passmark G3D. The Tesla K20Xm only has two benchmarks recorded: the Geekbench OpenCL result and a Geekbench Metal score of 8,035. The lack of DirectX and Vulkan results for the Tesla is telling — it is a compute-focused card with no display outputs, so gaming and graphics API benchmarks are largely irrelevant to its design.

In terms of average benchmark score, the RX 7600M XT edges ahead by 0.7%, with 12,710 versus 12,625. That is a razor-thin margin, but the underlying scores tell a different story. The AMD card’s average is pulled from ten benchmarks, while the Tesla’s average comes from just two. The RX 7600M XT also sits within 0.5% of the GeForce GTX 670 and 0.9% of the GTX 590, while the Tesla K20Xm is 1.2% behind the GTX 670 and 1.6% behind the GTX 590. The data suggests the AMD card is the stronger performer overall, even if the average scores look close.

The Verdict

The data is unambiguous: the AMD Radeon RX 7600M XT is the superior card for almost any use case. Its 334.9% lead in OpenCL compute is the single largest delta in the entire comparison, and it comes with modern API support including DirectX 12 Ultimate, Vulkan 1.4, and OpenGL 4.6. The Tesla K20Xm, by contrast, is limited to DirectX 12 (11_0), Vulkan 1.2.175, and has no display outputs at all, making it useless for any interactive graphics work.

Who should pick the Tesla K20Xm? Essentially no one building a new system. It is marked as end-of-life, its production status is discontinued, and its 28 nm process node is ancient by modern standards. The only argument for it would be a legacy deployment where its 6 GB of GDDR5 memory on a 384-bit bus and 249.6 GB/s bandwidth are specifically required, but even then, the RX 7600M XT offers 8 GB of GDDR6 with 288.0 GB/s bandwidth. The AMD card wins on memory capacity and bandwidth, compute throughput, and every measurable benchmark.

The RX 7600M XT is the clear recommendation for anyone needing a mobile GPU with strong compute and modern graphics features. Its 120 W TDP is nearly half the Tesla’s 235 W, and it is an integrated form factor (IGP) with no power connectors required, whereas the Tesla is a dual-slot 267 mm card that needs a 550 W power supply. The AMD part is active in production, while the Tesla is end-of-life. The verdict is straightforward: buy the RX 7600M XT if you have the choice.

Architecture Differences

The architectural divide between these two GPUs is vast. The AMD Radeon RX 7600M XT uses the Navi 33 chip built on RDNA 3.0 architecture, with a 6 nm process from TSMC. It packs 13,300 million transistors into a 204 mm² die, giving a transistor density of 65.2M per mm². The NVIDIA Tesla K20Xm uses the GK110 chip on the much older Kepler architecture, built on a 28 nm process from the same foundry. It has 7,080 million transistors spread across a massive 561 mm² die, yielding just 12.6M transistors per mm². The density difference is 5x in favor of AMD.

The RX 7600M XT has 2,048 shading units, 128 texture mapping units, and 64 ROPs, plus 32 dedicated ray tracing cores. The Tesla K20Xm has 2,688 shading units, 224 TMUs, and 48 ROPs, but no ray tracing cores. Despite having fewer shading units, the AMD card achieves 20.23 TFLOPS FP32 performance versus 3.935 TFLOPS for the Tesla — a 5x advantage that comes from the much higher clock speeds. The RX 7600M XT boosts to 2469 MHz with a game clock of 2023 MHz, while the Tesla’s base and boost clocks are not even listed in the data, underscoring its age and lower performance ceiling.

Memory architecture also differs fundamentally. The RX 7600M XT uses 8 GB of GDDR6 on a 128-bit bus, running at 2250 MHz with 18 Gbps effective speed, delivering 288.0 GB/s bandwidth. The Tesla K20Xm uses 6 GB of GDDR5 on a 384-bit bus, running at 1300 MHz with 5.2 Gbps effective speed, for 249.6 GB/s bandwidth. The AMD card wins on both capacity and bandwidth despite the narrower bus, thanks to faster memory technology. The Tesla’s wider bus is a relic of an era when memory speeds were much lower.

API support highlights the generational gap. The RX 7600M XT supports DirectX 12 Ultimate (12_2), OpenGL 4.6, and Vulkan 1.4, while the Tesla K20Xm only supports DirectX 12 (11_0), OpenGL 4.6, and Vulkan 1.2.175. The AMD card also has modern display outputs (portable device dependent), while the Tesla has no outputs whatsoever — it is a pure compute accelerator. The RX 7600M XT uses PCIe 4.0 x16, while the Tesla is limited to PCIe 3.0 x16.

FAQ

Q: Which GPU has the higher average benchmark score?

A: The AMD Radeon RX 7600M XT has an average benchmark score of 12,710, which is 0.7% higher than the NVIDIA Tesla K20Xm’s 12,625.

Q: How large is the performance gap in Geekbench OpenCL?

A: The RX 7600M XT scores 74,869 in Geekbench OpenCL, which is 334.9% higher than the Tesla K20Xm’s 17,215. This is the only head-to-head benchmark shared by both cards.

Q: Does the Tesla K20Xm support ray tracing?

A: No. The Tesla K20Xm has no ray tracing cores listed in its specifications. The AMD Radeon RX 7600M XT includes 32 dedicated ray tracing cores.

Q: What is the memory capacity and type for each card?

A: The RX 7600M XT has 8 GB of GDDR6 memory on a 128-bit bus, while the Tesla K20Xm has 6 GB of GDDR5 memory on a 384-bit bus.

Q: Which card has a higher power draw?

A: The Tesla K20Xm has a TDP of 235 W and requires a 550 W suggested power supply. The RX 7600M XT has a TDP of 120 W and uses no power connectors, as it is an integrated form factor.

Q: Is the Tesla K20Xm still in production?

A: No. The Tesla K20Xm is marked as end-of-life, while the RX 7600M XT has an active production status.

Where Each One Wins

The AMD Radeon RX 7600M XT wins in every category where data exists. Its 334.9% lead in OpenCL compute makes it the obvious choice for any GPU-accelerated workload, from machine learning inference to scientific simulation. The FP32 throughput of 20.23 TFLOPS is over five times the Tesla’s 3.935 TFLOPS, so compute-heavy tasks will finish in a fraction of the time. It also has ray tracing cores, which the Tesla lacks entirely, giving it a decisive advantage in modern games that use hardware-accelerated ray tracing.

The RX 7600M XT wins on memory too. Its 8 GB capacity is 33% larger than the Tesla’s 6 GB, and its 288.0 GB/s bandwidth is 15% higher than the Tesla’s 249.6 GB/s. For workloads that are memory-bound, like large dataset processing or high-resolution textures, the AMD card has more headroom. The faster GDDR6 memory also means lower latency per access compared to the Tesla’s GDDR5.

The Tesla K20Xm has no wins in the benchmark data. The only test where both cards appear is Geekbench OpenCL, and it loses by a factor of four. Its 2,688 shading units and 224 TMUs are numerically higher than the AMD card’s 2,048 and 128, but those extra units are running at much lower clocks on an older architecture, resulting in far lower effective performance. The Tesla’s 384-bit memory bus gives it theoretical bandwidth advantages in some legacy workloads, but the actual throughput is lower than the AMD card’s.

For a builder choosing between these two, the decision is trivial. The RX 7600M XT is faster, newer, more efficient, and has modern features. The Tesla K20Xm is a relic with a 7,699 USD launch MSRP that no longer justifies its existence outside of very specific legacy compute environments. If you need a GPU today, the data says pick the AMD card without hesitation.

Specification Differences

| Specification | AMD Radeon RX 7600M XT | NVIDIA Tesla K20Xm |

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

| Process Node | 6 nm | 28 nm |

| Transistors | 13,300 million | 7,080 million |

| Die Size | 204 mm² | 561 mm² |

| Transistor Density | 65.2M / mm² | 12.6M / mm² |

| Memory Size | 8 GB | 6 GB |

| Memory Type | GDDR6 | GDDR5 |

| Memory Bus Width | 128 bit | 384 bit |

| Memory Bandwidth | 288.0 GB/s | 249.6 GB/s |

| Shading Units | 2048 | 2688 |

| TMUs | 128 | 224 |

| ROPs | 64 | 48 |

| Ray Tracing Cores | 32 | None |

| FP32 Performance | 20.23 TFLOPS | 3.935 TFLOPS |

| TDP | 120 W | 235 W |

| Slot Width | IGP | Dual-slot |

| Power Connectors | None | Not specified |

| Suggested PSU | Not specified | 550 W |

| Bus Interface | PCIe 4.0 x16 | PCIe 3.0 x16 |

| Display Outputs | Portable Device Dependent | No outputs |

| DirectX Support | 12 Ultimate (12_2) | 12 (11_0) |

| Vulkan Support | 1.4 | 1.2.175 |

| Production Status | Active | End-of-life |

| Release Date | 2023-01-03 | 2012-11-11 |

The specification table shows a complete generational overhaul. The AMD card uses a 6 nm process versus 28 nm, packs nearly twice the transistors into a die less than half the size, and delivers over five times the FP32 performance at half the power draw. The Tesla’s only numeric advantages are in shading units (2,688 vs 2,048), TMUs (224 vs 128), and memory bus width (384 bit vs 128 bit), but none of those translate into real-world wins. The RX 7600M XT is the modern choice by every measurable metric.