AMD Radeon 8065S vs Intel UHD Graphics 770 Mobile Comparison

FAQ

Q: What are the core architectural differences between the AMD Radeon 8065S and the Intel UHD Graphics 770 Mobile?

A: The AMD Radeon 8065S uses the RDNA 3.5 architecture on a 4 nm TSMC process, while the Intel UHD Graphics 770 Mobile uses Generation 12.2 architecture on a 10 nm Intel process. The AMD part has 2560 shading units, 160 TMUs, and 64 ROPs, whereas the Intel part has 256 shading units, 16 TMUs, and 8 ROPs. The AMD chip also includes 40 ray tracing cores, which the Intel chip lacks entirely.

Q: How do the clock speeds compare between the two GPUs?

A: The AMD Radeon 8065S has a base clock of 1295 MHz and a boost clock of 3000 MHz. The Intel UHD Graphics 770 Mobile has a base clock of 300 MHz and a boost clock of 1600 MHz. The AMD part’s boost clock is nearly double that of the Intel part.

Q: What are the pixel and texture throughput differences?

A: The AMD Radeon 8065S delivers a pixel rate of 192.0 GPixel/s and a texture rate of 480.0 GTexel/s. The Intel UHD Graphics 770 Mobile delivers a pixel rate of 12.80 GPixel/s and a texture rate of 25.60 GTexel/s. The AMD part is 15 times higher in pixel rate and about 18.75 times higher in texture rate.

Q: What is the FP32 compute performance of each GPU?

A: The AMD Radeon 8065S achieves 15.36 TFLOPS FP32 performance. The Intel UHD Graphics 770 Mobile achieves 819.2 GFLOPS FP32 performance. This translates to the AMD part delivering roughly 18.75 times the FP32 throughput.

Q: What are the TDP ratings for these two integrated GPUs?

A: The AMD Radeon 8065S has a TDP of 55 W, while the Intel UHD Graphics 770 Mobile has a TDP of 15 W. The AMD part consumes substantially more power, consistent with its larger chip and higher performance targets.

Q: Which APIs are supported by each GPU?

A: The AMD Radeon 8065S supports DirectX 12 Ultimate (12_2), OpenGL 4.6, and Vulkan 1.4. The Intel UHD Graphics 770 Mobile supports DirectX 12 (12_1), OpenGL 4.6, and Vulkan 1.4. Both support OpenGL 4.6 and Vulkan 1.4, but the AMD part supports a higher DirectX feature level.

Architecture Differences

The AMD Radeon 8065S and Intel UHD Graphics 770 Mobile are fundamentally different in their design targets and underlying technology. The AMD part, built on the RDNA 3.5 architecture, is fabricated on a 4 nm process by TSMC. Its die size is 308 mm², which is substantial for an integrated GPU. The Intel part uses Generation 12.2 architecture and is fabricated on Intel’s 10 nm process. The Intel chip is part of the Raptor Lake generation, specifically the HD Graphics-M line, while the AMD chip belongs to the Navi Mobile (RX 8000M) generation.

The compute resource allocation differs by an order of magnitude. The AMD Radeon 8065S packs 2560 shading units, 160 texture mapping units, and 64 raster output units. It also includes 40 dedicated ray tracing cores, enabling hardware-accelerated ray tracing. The Intel UHD Graphics 770 Mobile has only 256 shading units, 16 TMUs, and 8 ROPs, with no ray tracing cores at all. This structural difference directly explains the massive gap in throughput metrics.

Clock behavior also diverges significantly. The AMD part operates at a base clock of 1295 MHz and can boost to 3000 MHz. The Intel part starts at a low 300 MHz base and boosts to 1600 MHz. The AMD chip’s higher clocks, combined with its larger execution resource pool, produce a much higher peak compute density.

Memory handling is shared in both cases: both use System Shared memory with a system-dependent bandwidth. Neither has dedicated VRAM, so both rely on the host system’s memory subsystem. The bus interface differs, with the AMD part using PCIe 5.0 x16 and the Intel part using a Ring Bus connection.

Power envelopes are strikingly different. The AMD Radeon 8065S has a TDP of 55 W, while the Intel UHD Graphics 770 Mobile has a TDP of 15 W. This reflects the AMD part’s much larger execution engine and higher clock ceiling. Both are classified as IGP (integrated graphics processor) with no power connectors required.

Head-to-Head Benchmarks

Direct benchmark comparisons from the database show no recorded head-to-head results, but the specification-derived performance metrics provide clear separation. The FP32 compute rate is the most decisive single indicator: the AMD Radeon 8065S delivers 15.36 TFLOPS against 819.2 GFLOPS for the Intel part. This is an 18.75-fold advantage in raw shader throughput, meaning the AMD GPU can process massively more parallel arithmetic operations per second.

Pixel fill rate further emphasizes the gap. The AMD part achieves 192.0 GPixel/s, while the Intel part reaches only 12.80 GPixel/s. For rasterization-heavy workloads, such as high-resolution rendering or multi-sample anti-aliasing, the AMD GPU has a 15-fold edge. Texture fill rate shows a similar pattern: 480.0 GTexel/s for AMD versus 25.60 GTexel/s for Intel, an approximately 18.75-fold margin that directly impacts filtered texture sampling in 3D scenes.

FP16 compute also differs substantially. The AMD Radeon 8065S provides 15.36 TFLOPS FP16 with a 1:1 ratio, meaning full-rate half-precision throughput. The Intel UHD Graphics 770 Mobile provides 1.638 TFLOPS FP16 with a 2:1 ratio, meaning half-rate half-precision relative to FP32. In workloads that leverage FP16, such as certain machine learning inference or graphics effects, the AMD part holds a roughly 9.4-fold advantage.

Ray tracing capability is another clear delimiter. The AMD Radeon 8065S has 40 ray tracing cores, while the Intel UHD Graphics 770 Mobile has none. Any ray-traced rendering, whether in games or professional visualization, runs on the AMD part with dedicated hardware acceleration, while the Intel GPU must rely on compute shaders, which is far less efficient.

The DirectX feature level also favors AMD. The Radeon 8065S supports DirectX 12 Ultimate with feature level 12_2, which includes hardware ray tracing, mesh shaders, and variable rate shading. The Intel part only supports DirectX 12 with feature level 12_1, which lacks these advanced features. This means modern DirectX 12 Ultimate titles may not run with full feature support on the Intel GPU.

The Verdict

The data indicates a complete performance tier separation between these two integrated GPUs. The AMD Radeon 8065S is designed for demanding graphics workloads, with 2560 shading units, 40 ray tracing cores, a 3000 MHz boost clock, and 15.36 TFLOPS FP32 compute. The Intel UHD Graphics 770 Mobile is a modest integrated solution aimed at basic display output and light 2D or older 3D tasks, with 256 shading units, no ray tracing hardware, a 1600 MHz boost clock, and 819.2 GFLOPS FP32 compute.

For any application that relies on GPU compute, rasterization, or ray tracing, the AMD part is the only viable choice of the two. The 15-fold pixel rate advantage, 18.75-fold texture rate advantage, and the presence of ray tracing cores make the Radeon 8065S suitable for modern gaming and creative workloads. The Intel part’s 15 W TDP and low clocks make it suitable primarily for power-constrained portable devices where graphics performance is a secondary concern.

The power envelope difference is also decisive. The AMD Radeon 8065S consumes 55 W, which is substantial for an integrated GPU but consistent with its high throughput. The Intel UHD Graphics 770 Mobile consumes only 15 W, which allows for longer battery life and simpler thermal designs, but at the cost of drastically lower performance.

Users who need to run current games, 3D rendering, or GPU-accelerated compute should select the AMD Radeon 8065S. Users who only need basic display output, video playback, and light productivity applications can operate with the Intel part, but they must accept the absence of hardware ray tracing and the much lower compute ceiling.

Specification Differences

The recorded specifications show differences in nearly every major category. The manufacturing process differs: AMD uses 4 nm TSMC, while Intel uses 10 nm Intel. The die size is 308 mm² for AMD and is not recorded for Intel. The AMD chip is branded as Gorgon Halo, while the Intel chip is Raptor Lake.

Clock speeds differ: AMD has a base clock of 1295 MHz and a boost clock of 3000 MHz; Intel has a base clock of 300 MHz and a boost clock of 1600 MHz. Shading units differ: 2560 for AMD versus 256 for Intel. TMUs differ: 160 versus 16. ROPs differ: 64 versus 8. Ray tracing cores differ: 40 versus none.

Pixel rate differs: 192.0 GPixel/s for AMD versus 12.80 GPixel/s for Intel. Texture rate differs: 480.0 GTexel/s versus 25.60 GTexel/s. FP32 compute differs: 15.36 TFLOPS versus 819.2 GFLOPS. FP16 compute differs: 15.36 TFLOPS (1:1) versus 1.638 TFLOPS (2:1).

TDP differs: 55 W for AMD versus 15 W for Intel. Bus interface differs: PCIe 5.0 x16 for AMD versus Ring Bus for Intel. DirectX support differs: 12 Ultimate (12_2) for AMD versus 12 (12_1) for Intel. OpenGL support is the same at 4.6 for both, and Vulkan support is the same at 1.4 for both.

Release dates differ: AMD was released on 2025-12-31, while Intel was released on 2023-01-03. The AMD part lists Polaris Mobile as its predecessor, while the Intel part lists Arc Graphics-M as its successor. The AMD part has a production status of Active, and the Intel part also has a production status of Active.

Where Each One Wins

The AMD Radeon 8065S wins in every performance-centric category recorded in the database. Its 15.36 TFLOPS FP32 compute makes it suitable for heavy compute workloads, including scientific simulation, video encoding, and machine learning inference where FP32 or FP16 throughput matters. The 40 ray tracing cores give it a clear advantage in ray-traced gaming and professional 3D visualization, where the Intel part cannot accelerate ray tracing at all.

The AMD part’s 192.0 GPixel/s pixel rate and 480.0 GTexel/s texture rate make it well-suited for high-resolution rendering, complex shader effects, and texture-heavy scenes. Its 3000 MHz boost clock ensures that single-threaded or lightly-parallel GPU tasks still run at high speed. The PCIe 5.0 x16 interface provides high bandwidth to the host system, which matters when using system shared memory.

The Intel UHD Graphics 770 Mobile wins in the power efficiency category. Its 15 W TDP is significantly lower than the AMD part’s 55 W, making it appropriate for ultra-portable laptops, fanless designs, or devices where battery life is prioritized over graphics performance. Its 300 MHz base clock and 1600 MHz boost clock are modest, but they contribute to a low thermal footprint.

The Intel part also has an earlier release date of 2023-01-03, which may indicate broader availability in existing systems, while the AMD part was released later on 2025-12-31. For tasks like basic desktop rendering, video playback, and 2D productivity applications, the Intel GPU provides sufficient throughput while consuming less power.

The AMD Radeon 8065S is the clear winner for any workload that stresses the GPU: modern games, 3D rendering, ray tracing, and compute-heavy applications. The Intel UHD Graphics 770 Mobile is the winner for maximum power economy and minimal thermal impact, but only in scenarios where its 819.2 GFLOPS FP32 ceiling is not a bottleneck.