AMD Radeon 890M vs AMD Radeon R9 M265X Comparison
AMD Radeon 890M
Radeon R9 M265X
PERFORMANCE BENCHMARKS
Analysis: AMD Radeon 890M vs AMD Radeon R9 M265X
The AMD Radeon 890M and AMD Radeon R9 M265X represent two distinct eras of mobile graphics, separated by a decade of architectural evolution. The 890M is a modern integrated processor (IGP) built on TSMC's 4 nm process, while the R9 M265X is a legacy discrete part from 2014 built on 28 nm. The benchmark data shows a decisive generational shift, with the 890M delivering a 320.9% higher score in the only shared test, the Geekbench OpenCL benchmark. While both parts occupy similar percentile rankings among all GPUs (45th for the 890M, 44th for the R9 M265X), the raw performance gap is massive, reflecting the fundamental differences in their design philosophies and technological eras.
FAQ
Q: What is the most significant performance difference between the AMD Radeon 890M and the AMD Radeon R9 M265X?
A: In the Geekbench OpenCL benchmark, the 890M scores 37,254 points, which is 320.9% higher than the R9 M265X's score of 8,851. This is the only benchmark that both GPUs share, making it the definitive head-to-head comparison.
Q: How do their manufacturing processes compare?
A: The 890M is built on a 4 nm process at TSMC, while the R9 M265X uses a much older 28 nm process at the same foundry. This process difference is a major factor in the 890M's superior efficiency and performance density.
Q: Which GPU has more shading units and what is the impact?
A: The 890M has 1,024 shading units, compared to 640 on the R9 M265X. This 60% increase in shading units, combined with the 890M's higher clock speeds, directly contributes to its substantially higher compute throughput.
Q: What are the memory configurations for each GPU?
A: The 890M uses system-shared memory with bandwidth dependent on the host system, while the R9 M265X has a dedicated 2 GB of GDDR5 memory on a 128-bit bus, providing 64.00 GB/s of bandwidth.
Q: What is the difference in API support?
A: The 890M supports DirectX 12 Ultimate (12_2) and Vulkan 1.4, whereas the R9 M265X supports DirectX 12 (11_1) and Vulkan 1.2.170. This gives the 890M access to more modern rendering features, including hardware ray tracing.
Q: What is the production status of each GPU?
A: The 890M is listed as "Active" and was released in 2024, while the R9 M265X is "End-of-life" and was released in 2014.
Where Each One Wins
The AMD Radeon 890M is the clear winner in raw compute performance, as evidenced by its 320.9% lead in the Geekbench OpenCL test. This suggests it is the better choice for any workload that leverages general-purpose GPU compute, such as video encoding, machine learning inference, or modern 3D rendering. Its support for DirectX 12 Ultimate and Vulkan 1.4 further positions it for contemporary gaming titles that utilize these modern APIs. The 890M's high pixel rate of 92.80 GPixel/s and texture rate of 185.6 GTexel/s indicate it can handle high-resolution textures and geometry more fluidly than the older part.
The AMD Radeon R9 M265X, despite its age, still holds a niche. Its dedicated 2 GB of GDDR5 memory with a fixed 64.00 GB/s bandwidth means it does not compete with the host system for memory resources, which can be an advantage in systems with limited or slow system RAM. Its lower power profile, while not explicitly listed, is implied by its older architecture and lower clock speeds (base 575 MHz, boost 625 MHz). For legacy applications or operating systems that are optimized for older GCN architectures, the R9 M265X may offer more stable driver support. However, in terms of absolute performance, the 890M wins in every measurable category.
Architecture Differences
The two GPUs are built on fundamentally different architectures. The 890M uses RDNA 3.5, the latest iteration of AMD's modern graphics architecture, while the R9 M265X is based on GCN 1.0, the original Graphics Core Next design. This architectural divide explains the massive performance gap. RDNA 3.5 is designed for high Instructions Per Clock (IPC) and efficiency, with a focus on scaling performance per watt. The 890M's chip, codenamed Strix Point, integrates 34,000 million transistors on a 233 mm² die, whereas the R9 M265X's Venus chip contains only 1,500 million transistors on a 123 mm² die. This results in a transistor density of 145.9M per mm² for the 890M versus 12.2M per mm² for the R9 M265X, highlighting the immense manufacturing advantage of the 4 nm process.
The 890M is an integrated processor that shares system memory, while the R9 M265X is a discrete GPU with its own dedicated VRAM. The 890M features 16 dedicated ray tracing cores, a hardware capability that the R9 M265X completely lacks. The 890M also supports a 1:1 FP16 to FP32 ratio, delivering 5.939 TFLOPS in both precision formats, whereas the R9 M265X has no listed FP16 capability. The 890M's boost clock of 2900 MHz is dramatically higher than the R9 M265X's 625 MHz boost, and its base clock of 400 MHz is lower, indicating a wide dynamic range for power management. The 890M connects via PCIe 4.0 x8, while the older part uses PCIe 3.0 x16.
Specification Differences
The most glaring specification difference is in process technology: 4 nm for the 890M versus 28 nm for the R9 M265X. This is followed by the compute units, where the 890M has 1,024 shading units, 64 TMUs, and 32 ROPs, compared to the R9 M265X's 640 shading units, 40 TMUs, and 16 ROPs. The 890M's clock speeds are significantly higher, with a boost of 2900 MHz versus 625 MHz. The memory subsystems are entirely different: the 890M uses system-shared memory, while the R9 M265X uses 2 GB of GDDR5 with a 128-bit bus and 64.00 GB/s bandwidth.
The compute throughput numbers are stark. The 890M delivers 5.939 TFLOPS of FP32 performance, while the R9 M265X provides 800.0 GFLOPS. Pixel and texture rates follow suit, with the 890M achieving 92.80 GPixel/s and 185.6 GTexel/s against the R9 M265X's 10.00 GPixel/s and 25.00 GTexel/s. The 890M has a TDP of 15 W, while the R9 M265X has no listed TDP. In terms of API support, the 890M lists DirectX 12 Ultimate (12_2), while the R9 M265X lists DirectX 12 (11_1). The 890M also supports Vulkan 1.4, whereas the R9 M265X supports Vulkan 1.2.170. Finally, the 890M is listed as an IGP with no power connectors, while the R9 M265X has no listed slot width or power connector information.
Head-to-Head Benchmarks
The only direct benchmark comparison available is the Geekbench OpenCL test, and the results are decisive. The AMD Radeon 890M scored 37,254 points, while the AMD Radeon R9 M265X scored 8,851 points. This represents a delta of 320.9%, meaning the 890M is over four times faster than the R9 M265X in this compute-heavy workload. This single data point encapsulates the generational leap in performance, but it is also telling that the database only lists one shared test. The R9 M265X has no results for modern tests like 3DMark Steel Nomad or PassMark's 3D suites, suggesting it is not capable of running them or has not been tested on them. The 890M, conversely, has a full suite of results, including a 3DMark Steel Nomad score of 590, a PassMark G3D score of 8,076, and a Geekbench Vulkan score of 40,808. The R9 M265X's average benchmark score is 8,851, which is lower than the 890M's average of 9,210, a difference of 359 points. The 890M's nearest rival is the AMD Radeon Vega 8, with an average score of 9,221 (a delta of -0.1%), while the R9 M265X's nearest rival is the AMD Radeon Pro WX 5100, with an average score of 8,863 (a delta of -0.1%). Despite the 890M's massive lead in the OpenCL test, its overall percentile rank is only slightly higher (45 vs 44), indicating that both are mid-pack performers in the overall GPU landscape.