AMD Radeon 8065S vs AMD Radeon RX 7600M XT Comparison

FAQ

Q: What is the primary architectural difference between the AMD Radeon 8065S and the AMD Radeon RX 7600M XT?

A: The Radeon 8065S uses the RDNA 3.5 architecture on a 4 nm process node with the Gorgon Halo chip, while the RX 7600M XT uses RDNA 3.0 on a 6 nm node with the Navi 33 chip.

Q: How do their memory configurations compare?

A: The RX 7600M XT has 8 GB of GDDR6 memory on a 128-bit bus with 288.0 GB/s bandwidth. The Radeon 8065S uses System Shared memory, meaning its size, type, bus width, and bandwidth are all system dependent.

Q: Which GPU has a higher boost clock speed?

A: The Radeon 8065S boosts to 3000 MHz, while the RX 7600M XT boosts to 2469 MHz. Their base clocks are close, at 1295 MHz for the 8065S and 1280 MHz for the RX 7600M XT.

Q: What is the difference in their thermal design power (TDP)?

A: The Radeon 8065S is rated at 55 W, while the RX 7600M XT is rated at 120 W. This indicates a substantial difference in power envelope between the two mobile GPUs.

Q: Which GPU has more shading units and texture mapping units?

A: The Radeon 8065S has 2560 shading units and 160 TMUs, compared to the RX 7600M XT which has 2048 shading units and 128 TMUs. Both have 64 ROPs.

Q: How do their ray tracing core counts differ?

A: The Radeon 8065S has 40 ray tracing cores, whereas the RX 7600M XT has 32 ray tracing cores.

Architecture Differences

The two GPUs represent distinct points in AMD's mobile graphics roadmap. The Radeon 8065S is built on the RDNA 3.5 architecture, fabricated on a 4 nm process at TSMC, and uses the Gorgon Halo die measuring 308 mm². The RX 7600M XT is based on the older RDNA 3.0 architecture, uses a 6 nm process at TSMC, and employs the Navi 33 chip with a die size of 204 mm². Notably, the RX 7600M XT has a published transistor count of 13,300 million and a transistor density of 65.2M per mm², while the 8065S lists its transistor count as unknown.

The shading engine configuration differs significantly. The 8065S packs 2560 shading units, 160 TMUs, and 64 ROPs. The RX 7600M XT has 2048 shading units, 128 TMUs, and also 64 ROPs. This means the 8065S has 25% more shading units and 25% more TMUs, though both share identical ROP counts. Ray tracing hardware also differs, with 40 RT cores on the 8065S versus 32 on the RX 7600M XT.

Clock behavior separates the two clearly. The 8065S runs a base clock of 1295 MHz and boosts to 3000 MHz, which is a substantial boost range. The RX 7600M XT has a base clock of 1280 MHz, a game clock of 2023 MHz, and a boost clock of 2469 MHz. The 8065S lacks a defined game clock and its memory operates as System Shared, so memory speed is entirely dependent on the host system. The RX 7600M XT has dedicated GDDR6 memory running at 2250 MHz with 18 Gbps effective speed across a 128-bit bus, yielding 288.0 GB/s of bandwidth.

The compute capabilities show an interesting inversion. The 8065S delivers 15.36 TFLOPS FP32 and 15.36 TFLOPS FP16 at a 1:1 ratio. The RX 7600M XT outputs 20.23 TFLOPS FP32 and 40.45 TFLOPS FP16 at a 2:1 ratio. Despite having fewer shading units, the RX 7600M XT achieves higher raw floating-point throughput, likely due to its higher power envelope and different clock behavior. Pixel rates are 192.0 GPixel/s for the 8065S versus 158.0 GPixel/s for the RX 7600M XT, while texture rates are 480.0 GTexel/s versus 316.0 GTexel/s respectively.

The memory subsystem is a fundamental architectural split. The 8065S relies entirely on shared system memory, which means its effective bandwidth and capacity fluctuate with the host platform. The RX 7600M XT uses dedicated VRAM, providing consistent 288.0 GB/s bandwidth regardless of system configuration. This difference influences how each GPU behaves under sustained load. The 8065S has a 55 W TDP, while the RX 7600M XT consumes 120 W, a 65 W gap that affects thermal design in portable devices.

Both GPUs support PCIe, but with different versions: the 8065S uses PCIe 5.0 x16 and the RX 7600M XT uses PCIe 4.0 x16. Both are integrated into portable devices with no power connectors and have display outputs dependent on the host device. The 8065S belongs to the Navi Mobile (RX 8000M) generation and was released later, while the RX 7600M XT is part of the Radeon RX 7000 series in the Navi Mobile (RX 7000M) generation. Both share the same DirectX 12 Ultimate (12_2), OpenGL 4.6, and Vulkan 1.4 API support. The 8065S's predecessor is listed as Polaris Mobile, and the same predecessor applies to the RX 7600M XT.

The Verdict

The data shows two GPUs with divergent design priorities. The Radeon 8065S targets efficiency and high clock potential within a 55 W envelope, using a newer 4 nm process and RDNA 3.5 architecture. Its boost clock of 3000 MHz exceeds the RX 7600M XT's 2469 MHz by a wide margin, and its larger shading unit count (2560 versus 2048) suggests strong raw geometry throughput. However, its reliance on System Shared memory means performance in memory-intensive workloads depends entirely on the host system's RAM configuration.

The RX 7600M XT takes a different approach. It uses a larger 120 W power budget to drive dedicated 8 GB GDDR6 memory with 288.0 GB/s bandwidth. Its FP32 throughput of 20.23 TFLOPS beats the 8065S's 15.36 TFLOPS despite fewer shading units. This makes the RX 7600M XT more predictable in performance, since its memory bandwidth is fixed and not subject to system-level variables.

For users who prioritize sustained compute performance and consistent memory behavior, the RX 7600M XT shows stronger raw FP32 numbers and dedicated VRAM. For users who value a lower power footprint and higher boost clocks, the 8065S presents a compelling profile, especially in systems where shared memory bandwidth is ample. The 8065S has a higher pixel rate (192.0 GPixel/s versus 158.0 GPixel/s) and texture rate (480.0 GTexel/s versus 316.0 GTexel/s), which could benefit certain rendering scenarios.

The RX 7600M XT has recorded benchmark scores, including a 3DMark Steel Nomad DX12 score of 2048, a Geekbench OpenCL score of 74869, a Geekbench Vulkan score of 27793, and a Passmark G3D score of 13907. Its average benchmark score is 12710, placing it at the 52nd percentile among all GPUs. The 8065S has no recorded benchmark scores and sits at the 50th percentile with an average score of 0, so its real-world standing is unverified in the database.

Specification Differences

The two GPUs differ across nearly every major specification category. The process node differs: 4 nm for the 8065S versus 6 nm for the RX 7600M XT. Die size differs at 308 mm² versus 204 mm². Transistor count is unknown for the 8065S, while the RX 7600M XT has 13,300 million transistors and a density of 65.2M per mm². The architectures are RDNA 3.5 versus RDNA 3.0, with chip names Gorgon Halo versus Navi 33.

Clock speeds show substantial gaps. The 8065S has a 1295 MHz base clock and 3000 MHz boost clock. The RX 7600M XT has a 1280 MHz base, 2023 MHz game clock, and 2469 MHz boost. Memory configurations are entirely different: System Shared for the 8065S versus 8 GB GDDR6 on a 128-bit bus with 288.0 GB/s bandwidth for the RX 7600M XT. Memory clock is system dependent for the 8065S, while the RX 7600M XT runs at 2250 MHz with 18 Gbps effective speed.

Compute unit counts differ: 2560 shading units, 160 TMUs, and 40 RT cores for the 8065S, versus 2048 shading units, 128 TMUs, and 32 RT cores for the RX 7600M XT. Both have 64 ROPs. Throughput figures diverge sharply. The 8065S has a pixel rate of 192.0 GPixel/s and texture rate of 480.0 GTexel/s. The RX 7600M XT has a pixel rate of 158.0 GPixel/s and texture rate of 316.0 GTexel/s. FP32 is 15.36 TFLOPS for the 8065S and 20.23 TFLOPS for the RX 7600M XT. FP16 is 15.36 TFLOPS (1:1) for the 8065S and 40.45 TFLOPS (2:1) for the RX 7600M XT.

Power consumption differs by 65 W: 55 W for the 8065S versus 120 W for the RX 7600M XT. Bus interface differs: PCIe 5.0 x16 for the 8065S versus PCIe 4.0 x16 for the RX 7600M XT. The generation and series names differ: Navi Mobile (RX 8000M) versus Radeon RX 7000 series in Navi Mobile (RX 7000M). Release dates differ, with the 8065S releasing later than the RX 7600M XT. The 8065S has no launch MSRP listed, and neither GPU has a successor listed.

Head-to-Head Benchmarks

The database contains no direct head-to-head benchmark entries comparing the two GPUs. However, the RX 7600M XT has a full suite of recorded benchmark scores that provide a reference point for its performance profile. Its 3DMark Steel Nomad DX12 score is 2048. In Geekbench, it scores 74869 in OpenCL and 27793 in Vulkan. Passmark results include 76 in DirectX 10, 137 in DirectX 11, 58 in DirectX 12, 175 in DirectX 9, 894 in G2D, 13907 in G3D, and 7140 in GPU Compute.

The RX 7600M XT's average benchmark score is 12710, placing it at the 52nd percentile among all GPUs. Its nearest rivals in the database include the NVIDIA GeForce GTX 670 with an average score of 12773 and a delta of -0.5%, the NVIDIA Tesla K20Xm with 12625 and a delta of 0.7%, the NVIDIA GeForce GTX 590 with 12830 and a delta of -0.9%, and the AMD Radeon Pro 455 with 12831 and a delta of -0.9%. These deltas indicate the RX 7600M XT sits within roughly one percent of these competing GPUs in average benchmark score.

The 8065S has no recorded benchmarks, so direct numerical comparison is impossible from the database. Its percentile ranking is 50, slightly below the RX 7600M XT's 52. The 8065S's average benchmark score is 0, which reflects missing data rather than actual performance. This absence of data means the 8065S's real performance cannot be quantified against the RX 7600M XT's recorded scores.

Speculative analysis from the specification sheet suggests where each might excel. The 8065S's 3000 MHz boost clock and 192.0 GPixel/s pixel rate could deliver strong fill-rate-bound performance. The RX 7600M XT's 20.23 TFLOPS FP32 and 288.0 GB/s memory bandwidth indicate an advantage in compute-heavy and memory-bandwidth-bound workloads. The 8065S's 480.0 GTexel/s texture rate versus 316.0 GTexel/s for the RX 7600M XT points to a potential edge in texture-heavy rendering.

Where Each One Wins

The RX 7600M XT wins in raw floating-point compute. Its 20.23 TFLOPS FP32 exceeds the 8065S's 15.36 TFLOPS by roughly 32%. For FP16, the gap widens dramatically: 40.45 TFLOPS versus 15.36 TFLOPS. This makes the RX 7600M XT the stronger choice for workloads that leverage FP16 throughput, such as certain AI inference and graphics effects.

The RX 7600M XT also wins in memory consistency. Its dedicated 8 GB GDDR6 with 288.0 GB/s bandwidth provides fixed performance regardless of host system memory. The 8065S's System Shared memory means its bandwidth and capacity scale with the host platform, introducing variability that the RX 7600M XT does not face. For users who need predictable performance, the RX 7600M XT has the clear advantage.

The 8065S wins in efficiency. Its 55 W TDP is less than half the RX 7600M XT's 120 W, yet it delivers a higher pixel rate (192.0 GPixel/s versus 158.0 GPixel/s) and a higher texture rate (480.0 GTexel/s versus 316.0 GTexel/s). This suggests the 8065S can achieve superior fill rates within a much smaller power budget, which matters for thin-and-light portable devices.

The 8065S wins in clock speed and geometry throughput. Its 3000 MHz boost clock exceeds the RX 7600M XT's 2469 MHz by 531 MHz. With 2560 shading units and 160 TMUs, the 8065S has more parallel resources for shader and texture work. Its 40 RT cores versus 32 give it more ray tracing hardware as well.

The RX 7600M XT wins in the recorded benchmark data. It has actual scores across multiple test suites, including a 13907 Passmark G3D score and a 74869 Geekbench OpenCL score. The 8065S has no recorded scores, so its real-world performance remains unverified. The RX 7600M XT's nearest rivals all sit within one percent of its average score, indicating consistent performance near the 52nd percentile of all GPUs.

The 8065S wins in process technology and bus interface. Its 4 nm node is smaller than the 6 nm node used by the RX 7600M XT, and its PCIe 5.0 x16 interface doubles the bandwidth potential of the RX 7600M XT's PCIe 4.0 x16. These advantages matter for bandwidth-hungry workloads that can utilize shared system memory effectively.