AMD Radeon R7 M260 vs NVIDIA GeForce RTX 3080 12 GB Comparison

The NVIDIA GeForce RTX 3080 12 GB and the AMD Radeon R7 M260 represent two extremes of the GPU spectrum: a high-end desktop enthusiast card from 2022 and a low-power mobile chip from 2014. Their benchmark data confirms an absolute performance gulf, but the specifics of their architectures and test results reveal distinct design philosophies and use cases that go beyond raw score differences.

Head-to-Head Benchmarks

In the only directly comparable metric, the average benchmark score, the NVIDIA GeForce RTX 3080 12 GB achieves 4791 points, while the AMD Radeon R7 M260 scores 4499 points. This represents a 6.5% advantage for the NVIDIA card, a surprisingly narrow margin given the generation gap. However, this comparison is misleading due to the different benchmark suites used. The RTX 3080's score comes from a single 3DMark Steel Nomad DX12 test, a demanding modern workload. In contrast, the R7 M260's average is derived from two Geekbench tests (OpenCL and Vulkan), which are more synthetic and often scale differently across architectures.

The NVIDIA card's position in the percentile rankings tells a clearer story. It sits in the 28th percentile of all GPUs, meaning 72% of tested graphics cards outperform it. Its nearest rivals in the database include the AMD Radeon R5 M255 (avg score 4788, deltaPct 0.1%) and the NVIDIA GeForce 940MX (avg score 4844, deltaPct -1.1%). This places the RTX 3080 12 GB in the company of entry-level mobile GPUs from several years ago, proof of how quickly the benchmark landscape has shifted. The RTX 3080's 4791 score is essentially a statistical tie with the R5 M255, trailing the GeForce 940MX by 1.1% and the GTX 560M by 1.3%.

The AMD Radeon R7 M260, despite its lower average score, holds the 26th percentile, just two points below the RTX 3080. Its nearest rivals include the AMD FirePro W4190M (avg score 4505, deltaPct -0.1%) and the Intel HD Graphics P530 (avg score 4560, deltaPct -1.3%). The R7 M260's 4499 average is within 1.7% of the AMD Radeon RX 560 (avg score 4569), a desktop card, and 1.5% of the Radeon R5 M230 (avg score 4577). This clustering suggests the R7 M260 performs competitively within its own peer group of low-end and integrated-class GPUs. The data shows both cards are near the bottom of the global GPU hierarchy, but for entirely different reasons: the RTX 3080 is being compared against modern flagship cards, while the R7 M260 is being compared against its contemporaries.

Where Each One Wins

The NVIDIA GeForce RTX 3080 12 GB wins decisively in any scenario that stresses raw compute throughput. Its FP32 performance of 30.64 TFLOPS dwarfs the R7 M260's 752.6 GFLOPS, a 40.7x advantage. This makes it suitable for tasks like real-time ray tracing, AI inference, and high-resolution content creation, where the R7 M260 would be completely non-functional. The RTX 3080 also wins on memory bandwidth: 912.4 GB/s versus the R7 M260's 14.40 GB/s, a 63.4x difference. This allows the NVIDIA card to feed its 8960 shading units and 280 texture mapping units without bottlenecking, whereas the R7 M260's 24 TMUs and 8 ROPs are starved by its narrow 64-bit memory bus.

The AMD Radeon R7 M260 wins in the context of its intended environment: low-power mobile computing. Its 28 nm TSMC process and 1,550 million transistors on a 125 mm² die make it a compact, low-heat solution. The RTX 3080, by contrast, requires a 350 W TDP, a dual-slot cooler, and a 750 W suggested PSU. The R7 M260's 2 GB of DDR3 memory, while tiny by modern standards, is sufficient for its target workloads of basic video playback and light 2D acceleration. In benchmark terms, the R7 M260's Geekbench Vulkan score of 5289 exceeds its OpenCL score of 3708, indicating better performance in API-specific workloads that favor its GCN 3.0 architecture's async compute capabilities. The RTX 3080 has no comparable multi-API data, so no direct win can be awarded there, but the R7 M260's ability to produce any score in modern APIs demonstrates its functional viability in legacy systems.

Architecture Differences

The architectural gap between these two GPUs is immense. The RTX 3080 12 GB uses the GA102 chip on NVIDIA's Ampere architecture, built on Samsung's 8 nm process. It packs 28,300 million transistors into a 628 mm² die, yielding a transistor density of 45.1M / mm². This chip is a compute monster, featuring 8960 shading units, 280 TMUs, 96 ROPs, 70 RT cores for ray tracing, and 280 tensor cores for AI acceleration. Its memory subsystem uses 12 GB of GDDR6X on a 384-bit bus, achieving 912.4 GB/s of bandwidth. The card supports PCIe 4.0 x16, DirectX 12 Ultimate (12_2), and Vulkan 1.4, making it future-proof for modern game engines.

The R7 M260 uses the Topaz chip on AMD's GCN 3.0 architecture, built on TSMC's 28 nm process. It contains just 1,550 million transistors on a 125 mm² die, with a density of 12.4M / mm². The chip has 384 shading units, 24 TMUs, and 8 ROPs, with no dedicated RT or tensor cores. Its 2 GB of DDR3 memory sits on a 64-bit bus, providing 14.40 GB/s of bandwidth. The R7 M260 supports PCIe 3.0 x8 and DirectX 12 (12_0), but its Vulkan support is older (1.2.170) compared to the RTX 3080's 1.4. The R7 M260's 7.840 GPixel/s pixel rate and 23.52 GTexel/s texture rate are 20.9x and 20.4x lower than the RTX 3080's 164.2 GPixel/s and 478.8 GTexel/s, respectively.

The clock speeds tell a similar story. The RTX 3080 runs at a base of 1260 MHz and boosts to 1710 MHz, with memory clocked at 1188 MHz effective 19 Gbps. The R7 M260 runs at 940 MHz base and 980 MHz boost, with memory at 900 MHz effective 1800 Mbps. The RTX 3080's higher clocks and massive parallel resources combine for 30.64 TFLOPS of FP32 and FP16 performance, while the R7 M260 offers 752.6 GFLOPS in both precisions. The RTX 3080 also supports a 1:1 FP16 ratio, a feature absent from the R7 M260's spec sheet. The R7 M260's predecessor is "Solar System" and its successor is "Polaris Mobile," while the RTX 3080's predecessor is GeForce 20 and successor is GeForce 40.

The Verdict

The data unequivocally shows that the NVIDIA GeForce RTX 3080 12 GB is the superior product for any performance-critical task. Its 30.64 TFLOPS FP32 throughput, 912.4 GB/s memory bandwidth, and 70 RT cores place it in a different performance class entirely. The RTX 3080's 4791 average benchmark score, while modest in the global context, is achieved in the demanding 3DMark Steel Nomad DX12 test, a workload that would likely crash or render at unusable frame rates on the R7 M260. The 28th percentile ranking reflects competition against modern flagship cards, not against the R7 M260's peer group of integrated and entry-level GPUs.

The AMD Radeon R7 M260, with its 4499 average score and 26th percentile, is a product of its era. Its 2 GB DDR3 memory and 64-bit bus are adequate for basic display output and legacy applications, but its 752.6 GFLOPS FP32 performance is 40.7x below the RTX 3080. The R7 M260's Geekbench scores (3708 OpenCL, 5289 Vulkan) show it can execute modern APIs, but its 8 ROPs and 24 TMUs limit it to low-resolution, low-detail scenarios. The RTX 3080's 96 ROPs and 280 TMUs provide 20x more pixel and texture throughput, enabling 4K gaming and professional visualization.

Pick the RTX 3080 12 GB if the workload involves ray tracing, AI inference, high-refresh-rate gaming, or any compute-intensive task. Its 12 GB GDDR6X memory and 384-bit bus provide the capacity and bandwidth for large datasets. Pick the R7 M260 only if the system is a legacy laptop or small form-factor PC where the 350 W TDP and dual-slot cooler of the RTX 3080 are physically impossible. The R7 M260's lack of a TDP rating and power connector specifications indicates it is designed for low-power mobile sockets. The RTX 3080's launch MSRP of 799 USD reflects its high-end positioning, while the R7 M260 has no recorded MSRP. For anyone building a modern system, the RTX 3080's 40.7x FP32 advantage and 63.4x memory bandwidth advantage make it the only logical choice.

FAQ

Q: What is the average benchmark score difference between the two cards?

A: The RTX 3080 12 GB averages 4791 points, while the R7 M260 averages 4499 points, giving the NVIDIA card a 292-point (6.5%) advantage. However, the RTX 3080's score comes from 3DMark Steel Nomad DX12, while the R7 M260's comes from Geekbench OpenCL and Vulkan tests.

Q: How do the memory bandwidths compare?

A: The RTX 3080 12 GB has 912.4 GB/s of bandwidth from 12 GB of GDDR6X on a 384-bit bus. The R7 M260 has 14.40 GB/s from 2 GB of DDR3 on a 64-bit bus. This is a 63.4x difference in favor of NVIDIA.

Q: Which card has better ray tracing support?

A: The RTX 3080 12 GB has 70 dedicated RT cores and supports DirectX 12 Ultimate (12_2). The R7 M260 has no RT cores and only supports DirectX 12 (12_0), so ray tracing is not feasible on it.

Q: What are the transistor counts and die sizes?

A: The RTX 3080 12 GB has 28,300 million transistors on a 628 mm² die (45.1M / mm²) using an 8 nm process. The R7 M260 has 1,550 million transistors on a 125 mm² die (12.4M / mm²) using a 28 nm process.

Q: How does the RTX 3080 12 GB rank against the AMD Radeon R5 M255?

A: The RTX 3080 scores 4791 versus the R5 M255's 4788, a delta of 0.1% in favor of NVIDIA. This is essentially a statistical tie, despite the RTX 3080 being a high-end desktop card.

Q: What is the R7 M260's best benchmark result?

A: Its highest score is 5289 in the Geekbench Vulkan test, compared to 3708 in Geekbench OpenCL. Both are far below the RTX 3080's 4791 in 3DMark Steel Nomad, but the Vulkan result shows better API optimization for its architecture.