AMD Radeon R5 M430 vs AMD Radeon R7 M465 Comparison

Where Each One Wins

The recorded data gives a single head-to-head benchmark between these two mobile GPUs: Geekbench OpenCL. In that test, the AMD Radeon R7 M465 takes the win with a score of 5841 against the AMD Radeon R5 M430's 5152, a 13.4% advantage. That is the only direct comparison available, so the use-case split is narrow but clear: the R7 M465 is the stronger compute part for OpenCL workloads, while the R5 M430 has no benchmark wins recorded in the database.

Looking beyond the direct match, the R5 M430 does have one additional benchmark entry that the R7 M465 lacks: a Geekbench Vulkan score of 4884. The R7 M465 has no Vulkan score recorded, so if the workload is Vulkan-specific, the R5 M430 at least has a measurable result, but there is no way to compare the two directly on that API from the data.

The R7 M465 sits at the 33rd percentile among all GPUs, while the R5 M430 sits at the 30th percentile. That three-point gap is small, but it aligns with the OpenCL result: the R7 M465 is the better performer in the shared test, and its percentile reflects a slightly higher standing in the overall database.

For the nearest rivals, the R7 M465's average benchmark score of 5841 places it 0.3% behind the AMD Radeon R5 M435 (5859), 1.5% behind the Intel UHD Graphics 730 (5929), 1.9% ahead of the NVIDIA GeForce GTX 550 Ti (5731), and 1.9% behind the AMD Radeon HD 8730M (5955). The R5 M430's average of 5018 sits 0.3% behind the AMD FirePro W4170M (5034), 0.4% ahead of the AMD Radeon R7 Graphics (4998), 0.8% ahead of the NVIDIA Quadro 4000 (4979), and 0.9% behind the AMD Radeon R7 M340 (5063).

What this means practically: the R7 M465 is the pick for compute-heavy tasks that use OpenCL, its delta over the R5 M430 being 13.4%. The R5 M430 is not without merit, as it carries twice the memory capacity (4 GB versus 2 GB), but that does not translate into a benchmark win in the recorded data.

Architecture Differences

The two GPUs come from different generations of AMD's Graphics Core Next design. The R7 M465 uses GCN 3.0 architecture on the Topaz chip, while the R5 M430 uses GCN 1.0 architecture on the Jet chip. Both are built on the same 28 nm process at TSMC, and both are listed as part of the Gem System generation, but the R7 M465 belongs to the R7 M400 family and the R5 M430 to the R5 M400 family.

The transistor count differs substantially: the R7 M465 packs 1,550 million transistors on a 125 mm² die, giving a density of 12.4 million transistors per square millimeter. The R5 M430 has 690 million transistors on a 56 mm² die, with a density of 12.3 million per square millimeter. The density is nearly identical, but the R7 M465's die is more than twice the size, which explains its higher compute resources.

The R7 M465 has 384 shading units, 24 texture mapping units, and 8 raster operations units. The R5 M430 has 320 shading units, 20 texture mapping units, and the same 8 ROPs. That extra 64 shading units and 4 TMUs are a direct result of the larger chip, and they feed into the R7 M465's higher fill rates and floating-point throughput.

Clock speeds also differ. The R7 M465 runs a base clock of 730 MHz and a boost clock of 1024 MHz, while the R5 M430 runs a base of 780 MHz and a boost of 855 MHz. The R5 M430 has a higher base clock, but the R7 M465's boost is significantly higher, which is why its peak performance exceeds the R5 M430 despite the lower idle speed.

Memory is another key split. The R7 M465 uses 2 GB of GDDR5 running at 1125 MHz with an effective 4.5 Gbps rate, yielding 36.00 GB/s of bandwidth on a 64-bit bus. The R5 M430 uses 4 GB of DDR3 running at 1000 MHz with an effective 2 Gbps rate, yielding only 16.00 GB/s on the same 64-bit bus. The R7 M465 has more than double the memory bandwidth, a decisive factor for memory-bound workloads.

Both cards support PCIe 3.0 x8, DirectX 12, OpenGL 4.6, and Vulkan 1.2.170. However, the DirectX version differs: the R7 M465 supports DirectX 12 (12_0), while the R5 M430 supports DirectX 12 (11_1). The R7 M465 also lists FP16 at 786.4 GFLOPS (1:1 with FP32), while the R5 M430 lists no FP16 capability at all.

Head-to-Head Benchmarks

The only direct head-to-head benchmark in the database is Geekbench OpenCL. The R7 M465 scores 5841 and the R5 M430 scores 5152, making the R7 M465 the winner by 13.4%. That is a clear margin, not a marginal one, and it tracks with the architectural differences.

To contextualize that 13.4% gap: the R7 M465's average score of 5841 places it just 0.3% behind the R5 M435 and 1.5% behind the Intel UHD Graphics 730, while the R5 M430's average of 5018 places it 0.4% ahead of the AMD Radeon R7 Graphics and 0.8% ahead of the NVIDIA Quadro 4000. The difference between the two AMD mobile parts in this test is larger than the differences each one sees against its closest rivals, which suggests the gap is structural, not noise.

The R7 M465's FP32 throughput is 786.4 GFLOPS, versus 547.2 GFLOPS for the R5 M430. That is a 43.7% raw compute advantage for the R7 M465, but the OpenCL score only shows a 13.4% lead. The reason is likely memory: the R5 M430's 64-bit DDR3 bus at 16.00 GB/s is a bottleneck, but the R7 M465's GDDR5 at 36.00 GB/s is also constrained by the same 64-bit width. The compute advantage is there, but memory bandwidth limits how much of it translates to real-world OpenCL performance.

Pixel and texture rates tell a similar story. The R7 M465 has a pixel rate of 8.192 GPixel/s and a texture rate of 24.58 GTexel/s. The R5 M430 has a pixel rate of 6.840 GPixel/s and a texture rate of 17.10 GTexel/s. The R7 M465 leads by roughly 20% in pixel rate and 44% in texture rate, again pointing to its larger shader and TMU counts as the source of the advantage.

Specification Differences

The two GPUs differ on several specification fields, and those differences are worth enumerating directly.

The chip is different: Topaz for the R7 M465, Jet for the R5 M430. The architecture differs as well: GCN 3.0 versus GCN 1.0. The generation field lists both as Gem System, but the specific family differs: R7 M400 for the R7 M465, R5 M400 for the R5 M430.

Transistors: 1,550 million for the R7 M465, 690 million for the R5 M430. Die size: 125 mm² versus 56 mm². Transistor density is nearly identical at 12.4M / mm² and 12.3M / mm², respectively.

Base clock: 730 MHz for the R7 M465, 780 MHz for the R5 M430. Boost clock: 1024 MHz for the R7 M465, 855 MHz for the R5 M430. Memory clock: 1125 MHz (4.5 Gbps effective) for the R7 M465, 1000 MHz (2 Gbps effective) for the R5 M430.

Memory size: 2 GB for the R7 M465, 4 GB for the R5 M430. Memory type: GDDR5 for the R7 M465, DDR3 for the R5 M430. Memory bandwidth: 36.00 GB/s versus 16.00 GB/s. Bus width is the same at 64 bit.

Shading units: 384 versus 320. TMUs: 24 versus 20. ROPs are the same at 8.

Pixel rate: 8.192 GPixel/s versus 6.840 GPixel/s. Texture rate: 24.58 GTexel/s versus 17.10 GTexel/s. FP32: 786.4 GFLOPS versus 547.2 GFLOPS. FP16 is listed at 786.4 GFLOPS (1:1) for the R7 M465, while the R5 M430 has no FP16 entry.

DirectX support: 12 (12_0) for the R7 M465, 12 (11_1) for the R5 M430. The R7 M465 has no display output field listed, while the R5 M430 lists "Portable Device Dependent" and also has a slot width of "IGP", indicating it is an integrated-class part for laptops. The R7 M465 has no slot width listed.

Release date: the R7 M465 is dated 2016-05-14, while the R5 M430 has no release date in the database. Both are end-of-life production status. Both have the same predecessor (Solar System) and successor (Polaris Mobile) entries.

FAQ

Q: Which GPU wins the Geekbench OpenCL test?

A: The AMD Radeon R7 M465 wins with a score of 5841 against the AMD Radeon R5 M430's 5152, a 13.4% advantage.

Q: How much memory bandwidth does each GPU have?

A: The R7 M465 has 36.00 GB/s of bandwidth from 2 GB of GDDR5 on a 64-bit bus. The R5 M430 has 16.00 GB/s from 4 GB of DDR3 on the same 64-bit bus.

Q: Are these GPUs from the same architecture generation?

A: No. The R7 M465 uses GCN 3.0 on the Topaz chip, while the R5 M430 uses GCN 1.0 on the Jet chip. Both are built on TSMC's 28 nm process.

Q: Which GPU has more shading units?

A: The R7 M465 has 384 shading units, while the R5 M430 has 320. The R7 M465 also has 24 TMUs versus 20, and both have 8 ROPs.

Q: Does the R5 M430 have any benchmark that the R7 M465 does not?

A: Yes. The R5 M430 has a Geekbench Vulkan score of 4884, while the R7 M465 has no Vulkan score recorded in the database.

Q: What DirectX versions do these GPUs support?

A: The R7 M465 supports DirectX 12 (12_0), while the R5 M430 supports DirectX 12 (11_1). Both support OpenGL 4.6 and Vulkan 1.2.170.

The Verdict

The data points to the AMD Radeon R7 M465 as the stronger GPU for compute workloads. It wins the only direct head-to-head benchmark by 13.4%, has a higher FP32 throughput (786.4 GFLOPS versus 547.2 GFLOPS), more shading units (384 versus 320), more TMUs (24 versus 20), and more than double the memory bandwidth (36.00 GB/s versus 16.00 GB/s). Its boost clock of 1024 MHz is also substantially higher than the R5 M430's 855 MHz.

The AMD Radeon R5 M430 does have one clear advantage: memory capacity. It carries 4 GB of DDR3 versus the R7 M465's 2 GB of GDDR5. For workloads that need more than 2 GB of frame buffer, the R5 M430 has the capacity edge, but that comes at the cost of bandwidth, as DDR3 at 16.00 GB/s is a fraction of GDDR5 at 36.00 GB/s.

The R5 M430 also has a recorded Vulkan score of 4884, which the R7 M465 lacks. If the application uses Vulkan, the R5 M430 at least has a measurable result, but without a direct comparison, it is not possible to say which GPU is faster on that API.

The nearest rival data reinforces the positioning. The R7 M465's average score of 5841 sits 0.3% behind the R5 M435 and 1.9% ahead of the GeForce GTX 550 Ti, while the R5 M430's average of 5018 sits 0.4% ahead of the AMD Radeon R7 Graphics. The R7 M465 is closer to its rivals in performance than the gap between the two cards being compared, meaning the R7 M465 is a meaningful step up within the same mobile GPU family.

For a user choosing between these two, the decision is straightforward from the data: the R7 M465 is the better performer in the shared OpenCL test, with a 13.4% lead. The R5 M430's only advantages are its larger 4 GB memory pool and its existence of a Vulkan score, but neither outweighs the R7 M465's compute, bandwidth, and architectural advantages. The R7 M465 is the pick for performance; the R5 M430 is only preferable if the workload requires more than 2 GB of memory and does not depend on high memory bandwidth.