AMD Radeon 880M vs AMD Radeon R9 M265X Comparison

The AMD Radeon R9 M265X and AMD Radeon 880M represent two distinct eras of mobile graphics, separated by a decade of architectural evolution. The R9 M265X is a legacy discrete GPU from 2014 built on GCN 1.0, while the 880M is a modern integrated GPU from 2024 based on RDNA 3.5. Benchmark data shows a stark generational gap, with the 880M delivering roughly 3.5 times the OpenCL performance of its predecessor, despite being an IGP rather than a dedicated card. The data indicates a clear shift in capability, but the specific strengths and weaknesses of each part require closer examination.

Head-to-Head Benchmarks

The only directly comparable benchmark between the two GPUs is Geekbench OpenCL, and the results are decisive. The AMD Radeon 880M scores 31,285 points, while the AMD Radeon R9 M265X manages 8,851 points. This represents a 71.7% delta in favor of the 880M, meaning the newer IGP is approximately 3.5x faster in raw compute workloads. This is not a marginal improvement; it is a complete overhaul of processing power.

Contextualizing the R9 M265X’s score, it sits at the 44th percentile of all GPUs. Its nearest rivals in the database include the AMD Radeon Pro WX 5100 (scoring 8,863, a -0.1% delta) and the AMD Radeon 550X (scoring 8,918, a -0.8% delta). The R9 M265X is essentially neck-and-neck with these cards, suggesting that its performance level was competitive for its time but is now firmly in the entry-level segment. It also edges out the NVIDIA GeForce RTX 3050 A Mobile (scoring 8,746, a 1.2% delta) and the NVIDIA GeForce GTX 460 v2 (scoring 8,743, a 1.2% delta) in this specific test, showing it can still trade blows with some older discrete solutions.

Conversely, the Radeon 880M’s average score of 8,436 across all its benchmarks places it at the 43rd percentile. This average is dragged down by other tests, but its OpenCL score is the outlier. In the nearest rival list for the 880M, we see the NVIDIA GeForce GTX 675MX (scoring 8,427, a 0.1% delta) and the NVIDIA GeForce MX330 (scoring 8,458, a -0.3% delta). The 880M’s raw compute score is far above these, but its overall average suggests that in other workloads, it normalizes to a similar tier. The data shows that while the 880M wins the compute war decisively, its overall benchmark profile is more varied.

The head-to-head table confirms the single win for the 880M, with the R9 M265X failing to win any of the compared tests. The 71.7% deficit for the older card is a clear indicator that in pure compute, the architectural advancements of RDNA 3.5 over GCN 1.0 are overwhelming. This is not a close contest; it is a generational wipeout.

FAQ

Q: Is the AMD Radeon 880M faster than the R9 M265X in general compute?

A: Yes. In the Geekbench OpenCL test, the 880M scores 31,285 versus the R9 M265X’s 8,851. This is a 71.7% advantage for the 880M, making it roughly 3.5 times faster in this specific workload.

Q: How does the R9 M265X compare to its own peers?

A: The R9 M265X is highly competitive with its immediate rivals. It is within 1.2% of the NVIDIA GeForce RTX 3050 A Mobile and the NVIDIA GeForce GTX 460 v2, and only 0.1% behind the AMD Radeon Pro WX 5100. Its performance is essentially tied with these older discrete GPUs.

Q: What is the memory configuration difference?

A: The R9 M265X uses 2 GB of dedicated GDDR5 memory on a 128-bit bus, providing 64.00 GB/s of bandwidth. The 880M uses System Shared memory, with its bandwidth being System Dependent on the host system’s RAM.

Q: Does the Radeon 880M support modern graphics APIs?

A: Yes. The 880M supports DirectX 12 Ultimate (12_2) and Vulkan 1.4. The R9 M265X is limited to DirectX 12 (11_1) and Vulkan 1.2.170. Both support OpenGL 4.6.

Q: Which GPU has a higher boost clock?

A: The Radeon 880M has a significantly higher boost clock of 2900 MHz compared to the R9 M265X’s 625 MHz. The base clocks are 400 MHz and 575 MHz, respectively.

Q: What is the production status of each GPU?

A: The R9 M265X is listed as End-of-life, while the Radeon 880M is Active. This reflects their release dates of 2014 and 2024, respectively.

Architecture Differences

The architectural chasm between these two GPUs is vast. The R9 M265X is built on the GCN 1.0 architecture using the Venus chip, fabricated on a 28 nm process at TSMC. This older design utilizes 1,500 million transistors on a 123 mm² die, resulting in a transistor density of 12.2M / mm². In contrast, the 880M uses the RDNA 3.5 architecture with the Strix Point chip, manufactured on a current-generation 4 nm process. This newer chip packs a massive 34,000 million transistors into a 233 mm² die, achieving a density of 145.9M / mm². This is over 10 times the transistor density, which explains the massive performance leap.

The compute resources differ significantly. The R9 M265X has 640 shading units, 40 texture mapping units (TMUs), and 16 render output units (ROPs). The 880M increases this to 768 shading units, 48 TMUs, and maintains 16 ROPs. More importantly, the 880M introduces 12 ray tracing cores, a feature entirely absent from the GCN 1.0-based R9 M265X. The 880M also supports FP16 compute at a 1:1 ratio with FP32, whereas the R9 M265X has no listed FP16 capability.

The memory architecture is also fundamentally different. The R9 M265X relies on dedicated GDDR5 memory, while the 880M is an integrated GPU that shares system memory. This is a critical distinction, as the 880M’s memory bandwidth is entirely dependent on the host system’s RAM configuration, whereas the R9 M265X has a fixed 64.00 GB/s pipe. The 880M’s pixel rate of 46.40 GPixel/s and texture rate of 139.2 GTexel/s dwarf the R9 M265X’s figures of 10.00 GPixel/s and 25.00 GTexel/s, respectively.

Specification Differences

The following specifications differ between the two GPUs, highlighting their distinct positioning:

• Process Node: R9 M265X is 28 nm; 880M is 4 nm.
• Transistors: R9 M265X has 1,500 million; 880M has 34,000 million.
• Die Size: R9 M265X is 123 mm²; 880M is 233 mm².
• Transistor Density: R9 M265X is 12.2M / mm²; 880M is 145.9M / mm².
• Base Clock: R9 M265X is 575 MHz; 880M is 400 MHz.
• Boost Clock: R9 M265X is 625 MHz; 880M is 2900 MHz.
• Memory: R9 M265X is 2 GB GDDR5; 880M is System Shared.
• Memory Bus: R9 M265X is 128 bit; 880M is System Shared.
• Memory Bandwidth: R9 M265X is 64.00 GB/s; 880M is System Dependent.
• Shading Units: R9 M265X has 640; 880M has 768.
• TMUs: R9 M265X has 40; 880M has 48.
• RT Cores: R9 M265X has 0; 880M has 12.
• FP32 Performance: R9 M265X is 800.0 GFLOPS; 880M is 4.454 TFLOPS.
• FP16 Performance: R9 M265X is not listed; 880M is 4.454 TFLOPS (1:1).
• Pixel Rate: R9 M265X is 10.00 GPixel/s; 880M is 46.40 GPixel/s.
• Texture Rate: R9 M265X is 25.00 GTexel/s; 880M is 139.2 GTexel/s.
• TDP: R9 M265X is not listed; 880M is 15 W.
• Slot Width: R9 M265X is not listed; 880M is IGP.
• Power Connectors: R9 M265X is not listed; 880M is None.
• Bus Interface: R9 M265X is PCIe 3.0 x16; 880M is PCIe 4.0 x8.
• DirectX Support: R9 M265X is 12 (11_1); 880M is 12 Ultimate (12_2).
• Vulkan Support: R9 M265X is 1.2.170; 880M is 1.4.
• Release Date: R9 M265X is 2014-03-20; 880M is 2024-07-14.

The Verdict

The data presents a straightforward verdict: the AMD Radeon 880M is the superior GPU in nearly every measurable way. Its 3.5x lead in OpenCL compute, support for ray tracing, and modern API compliance make it the clear choice for any contemporary workload. The 880M’s 4.454 TFLOPS FP32 performance is over five times the R9 M265X’s 800.0 GFLOPS, and its boost clock of 2900 MHz is over four times higher. The only area where the R9 M265X might have a theoretical advantage is in dedicated memory bandwidth, but the 64.00 GB/s of GDDR5 is a fixed limitation, while the 880M’s shared memory can be much faster depending on the system.

The R9 M265X is an end-of-life product from 2014. Its performance, while competitive with its immediate peers like the Radeon Pro WX 5100 and RTX 3050 A Mobile, is firmly in the past. It lacks the hardware features required for modern gaming or compute tasks, such as ray tracing and DX12 Ultimate support. Benchmark results indicate that it is a relic of the GCN era, best suited for legacy applications or basic display output.

For a user building a new system, the choice is obvious: the 880M is the only sensible option. Its active production status, low 15 W TDP, and lack of power connectors make it ideal for modern thin-and-light laptops. It offers a level of performance that was previously unattainable for integrated graphics, rivaling and often beating older discrete mobile GPUs like the GTX 675MX and MX330 in average scores. The R9 M265X should only be considered if you are maintaining a legacy system where its specific form factor is required.

Where Each One Wins

AMD Radeon 880M Wins:

• Compute Performance: The 880M dominates with a 31,285 OpenCL score versus the R9 M265X’s 8,851. This is its single biggest victory.
• Modern Gaming: With 12 ray tracing cores and DirectX 12 Ultimate support, the 880M is prepared for current-generation game engines, which the R9 M265X cannot handle.
• Efficiency: The 880M’s 15 W TDP and None power connector requirement make it a far more efficient and portable solution compared to a discrete card.
• Feature Set: The inclusion of FP16 support at 4.454 TFLOPS and Vulkan 1.4 makes the 880M more versatile for compute and modern APIs.
• Proximity to Rivals: The 880M’s average score of 8,436 places it within 0.3% of the NVIDIA GeForce MX330 and 0.1% of the GTX 675MX, showing it competes well with older discrete parts across a range of tests.

AMD Radeon R9 M265X Wins:

• Dedicated Memory: The R9 M265X has its own 2 GB GDDR5 with a fixed 64.00 GB/s bandwidth. This is a consistent, predictable resource, unlike the 880M’s system-dependent memory performance.
• Bus Interface: The PCIe 3.0 x16 interface offers more lanes than the 880M’s PCIe 4.0 x8, which could be a factor in bandwidth-sensitive scenarios with older systems.
• Legacy Compatibility: For systems that require a discrete card with a 128-bit memory bus and GCN-era driver support, the R9 M265X is the only option here.
• Peer Parity: It matches or slightly beats its direct competitors, such as the 1.2% advantage over the RTX 3050 A Mobile, proving it is not a slouch within its own generation.