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Rate My PC: AMD Ryzen 9 8945HX + AMD Radeon 780M

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PROCESSOR (CPU)

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GRAPHICS CARD (GPU)

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94 Score

Top 6% Ranking

94 / 100

ULTIMATE READY

Apex Performer

Top 6% of systems. Capable of 4K Ultra gaming and advanced rendering.

4K 60+ FPSVR ReadyRay Tracing

System Balance Analysis

CPU vs GPU performance ratio

Well Balanced

CPU

97%

GPU

90%

PROCESSOR

AMD Ryzen 9 8945HX

76,212 Benchmark Score

Top 3% Market Ranking

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GRAPHICS CARD

AMD Radeon 780M

17,588 Benchmark Score

Top 10% Market Ranking

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0-30

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30-60

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85-100

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Performance Tiers Explained

90-100

Ultimate

4K Ultra gaming, VR ready, ray tracing enabled, professional workloads

4K 60+ FPS VR Ready

70-89

High-End

1440p Ultra or 4K High settings, excellent for modern AAA titles

1440p Ultra 4K High

50-69

Mid-Range

1080p Ultra or 1440p Medium, great value for most gamers

1080p Ultra 1440p Med

30-49

Entry Level

1080p Medium settings, suitable for eSports and older titles

1080p Med eSports

0-29

Legacy

Basic gaming, older titles, consider upgrading for modern games

720p-1080p Low Older Games

# AMD Ryzen 9 8945HX + AMD Radeon 780M: A High-Core Mobile Processor Paired with an Integrated GPU

This build pairs AMD's 16-core Ryzen 9 8945HX mobile processor with the Radeon 780M integrated graphics, creating a laptop configuration that leads with compute throughput while relying on a shared-memory IGP for display output. The CPU sits in the 95th percentile among all processors tested, while the GPU lands in the 61st percentile, making this a system where processing power dramatically outweighs graphics capability. The data shows a clear split: this is a machine for CPU-bound workloads, not for high-end gaming or GPU-accelerated rendering.

FAQ

Q: What are the core and thread counts of the AMD Ryzen 9 8945HX?

A: The processor has 16 cores and 32 threads, built on the Zen 4 architecture with a 5 nm process node. It features a base clock of 2.50 GHz and a boost clock of 5.40 GHz.

Q: How does the Ryzen 9 8945HX compare to its nearest rivals in average benchmark score?

A: The CPU's average benchmark score is 76212, which is 0.1% above the Intel Core Ultra 9 285HX (76155) and 0.6% above the AMD Ryzen 9 9950X3D (75779). It trails the AMD EPYC Embedded 8224P (76492) by 0.4% and the AMD Ryzen Threadripper PRO 9945WX (76513) by 0.4%.

Q: What is the Radeon 780M's benchmark score and percentile ranking?

A: The Radeon 780M has an average benchmark score of 17588 and sits in the 61st percentile of all GPUs. Its nearest rival is the AMD Radeon Pro 560 with a score of 17551, a 0.2% difference, while the NVIDIA GeForce RTX 4060 scores 17639, putting the 780M 0.3% behind.

Q: What memory type and bandwidth does the Ryzen 9 8945HX support?

A: The processor supports DDR5 memory in a dual-channel configuration, providing a memory bandwidth of 83.2 GB/s. It does not support ECC memory.

Q: Does the Radeon 780M have dedicated VRAM?

A: No, the Radeon 780M uses system shared memory for its frame buffer. Its memory size, type, and bus width are all listed as "System Shared," with bandwidth described as "System Dependent."

Q: What is the combined percentile rank of this CPU+GPU pairing?

A: The build holds a combined percentile of 78 among all tested configurations. This reflects the strong CPU contribution weighing against the more modest GPU percentile.

Q: Is there measured FPS data for this specific combination?

A: No, the FACT PACK contains no measuredFps rows for this exact CPU+GPU pairing. All FPS figures discussed in this analysis are estimates derived from the individual benchmark scores of the processor and integrated graphics.

Balance and Bottleneck

The balance between the Ryzen 9 8945HX and the Radeon 780M is heavily skewed toward the processor. The CPU's 95th percentile ranking among all CPUs contrasts sharply with the GPU's 61st percentile, creating a configuration where the integrated graphics will almost certainly be the limiting factor in any graphics-intensive workload. For gaming or GPU compute tasks, the Radeon 780M's performance ceiling — evidenced by its 3DMark Steel Nomad DX12 score of 480 and Geekbench Vulkan score of 33683 — will constrain what the system can deliver, regardless of the processor's headroom.

In CPU-bound workloads, the bottleneck shifts. The Ryzen 9 8945HX's Cinebench R23 multi-core score of 42713 and PassMark multithread score of 51405 indicate that the processor can sustain heavy compute loads, but the shared-memory GPU will compete with the CPU for the same DDR5 bandwidth. The 83.2 GB/s memory bandwidth is a shared resource, so simultaneous CPU and GPU activity — such as gaming while streaming — could reduce performance in both domains. The GPU's TDP is listed at 15 W, suggesting it operates within a tight power envelope, which further limits its ability to pull ahead in graphics tasks.

The combined percentile of 78 reflects this imbalance: the build is more than the sum of its GPU parts but less than what the CPU alone suggests. For workloads that rely primarily on CPU threading, the system delivers near-desktop-class performance; for anything GPU-dependent, the bottleneck is pronounced. The data indicates that users should plan around CPU-heavy tasks, with the GPU serving as a functional but not performant companion for visual output.

CPU Analysis

The AMD Ryzen 9 8945HX is a 16-core, 32-thread processor from the 8000 series, built on the Zen 4 architecture with the Dragon Range codename. Fabricated on TSMC's 5 nm process, the chip integrates 13,140 million transistors across a dual-die design measuring 2x 71 mm². The cache hierarchy includes 64 KB of L1 per core, 1 MB of L2 per core, and a substantial 64 MB of L3 cache, which supports high-throughput workloads that benefit from large shared pools of fast memory.

Clock speeds are notable for a mobile part: a 2.50 GHz base clock boosts to 5.40 GHz, which explains the strong single-thread performance. The Cinebench R23 single-core score of 6030 and PassMark single-thread score of 3907 place it among the top mobile processors for lightly threaded applications. Multi-threaded performance is equally impressive, with Cinebench R23 multi-core reaching 42713 and Cinebench R20 multi-core at 17939, indicating that all 16 cores scale effectively under sustained load.

The benchmark suite reveals specific strengths. PassMark data compression scores 677755, suggesting strong integer throughput for archival and data processing tasks. Floating-point math hits 117453, which benefits scientific and engineering simulations. Integer math reaches 195180, supporting general productivity and compilation workloads. The processor's extended instructions score of 49823 and encryption score of 40836 indicate capable handling of cryptography and vectorized code. Prime number finding is a relative weakness at 262, but this is a narrow test that does not diminish the overall compute picture.

With a TDP of 55 W and an unlocked multiplier, the Ryzen 9 8945HX offers overclocking potential in a mobile form factor. The 95th percentile ranking, with an average benchmark score of 76212, places it essentially level with the Intel Core Ultra 9 285HX (0.1% ahead) and slightly behind server-class parts like the EPYC Embedded 8224P (0.4% behind). For laptop users, this is flagship-tier CPU performance.

Upgrade Path and Platform

The Ryzen 9 8945HX uses the AMD Socket FL1, a mobile-specific socket that limits upgradeability to other FL1-compatible parts. The processor supports DDR5 memory on a dual-channel bus, with 83.2 GB/s of bandwidth, which is shared with the integrated Radeon 780M. Memory capacity and speed are thus critical for both CPU and GPU performance, and users should prioritize high-bandwidth DDR5 kits when configuring a system.

PCIe connectivity includes Gen 5 with 28 lanes from the CPU, which supports fast NVMe storage and discrete GPUs should a user opt for an external enclosure or a future laptop redesign. The integrated graphics uses a PCIe 4.0 x8 interface, which is sufficient for its bandwidth needs. The CPU's integrated Radeon 610M is present but is overshadowed by the discrete-class Radeon 780M in this build.

The TDP of 55 W for the CPU and 15 W for the GPU indicates a system that requires moderate cooling and power delivery. The suggested PSU field is null, so no specific power supply figure is available, but the combined thermal load is modest for a laptop. A sensible upgrade path would involve maximizing DDR5 memory capacity and speed, as the shared-memory GPU benefits directly from faster system memory. Beyond that, users are limited by the laptop form factor; external GPU support via the PCIe Gen 5 lanes is the only viable route for substantially improved graphics performance.

Benchmark Performance

The Ryzen 9 8945HX delivers top-tier CPU scores across every major benchmark. Cinebench R15 multi-core hits 4305 and single-core 607; Cinebench R20 multi-core reaches 17939 and single-core 2532; Cinebench R23 multi-core peaks at 42713 and single-core at 6030. These results place the CPU in the 95th percentile of all processors, with an average score of 76212. The nearest rivals are within a fraction of a percent: the Intel Core Ultra 9 285HX trails by 0.1%, the AMD Ryzen 9 9950X3D trails by 0.6%, while the EPYC Embedded 8224P and Threadripper PRO 9945WX lead by 0.4%.

The Radeon 780M's GPU benchmarks are more modest. In 3DMark Steel Nomad DX12, it scores 480; Geekbench OpenCL returns 18602, and Geekbench Vulkan reaches 33683. The average benchmark score is 17588, placing it in the 61st percentile of all GPUs. Its nearest rival is the Radeon Pro 560 at 17551 (0.2% behind), while the RTX 4060 leads by 0.3% at 17639. The GPU's FP32 throughput is 8.909 TFLOPS with a 1:1 FP16 ratio, indicating balanced compute for shader work.

The combined picture is a system that ranks in the 78th percentile overall. The CPU carries the build's performance reputation, while the GPU anchors it to a mid-range graphics tier. For users who prioritize processor-intensive tasks — compiling code, running virtual machines, rendering software on the CPU — this pairing is exceptional. For GPU compute or gaming, the scores show a clear ceiling that the integrated graphics cannot exceed.

Gaming Performance

No measured FPS data exists for this CPU+GPU combination, so all gaming figures are estimates based on the individual benchmark scores. The Radeon 780M's 3DMark Steel Nomad DX12 score of 480 and Geekbench Vulkan score of 33683 suggest a GPU capable of 1080p gaming at low to medium settings for esports titles and older games, but it will struggle with modern AAA releases at high detail.

The CPU's strong single-thread performance — Cinebench R23 single-core of 6030 — ensures that the processor will rarely be the bottleneck in gaming. Frame rates will be dictated almost entirely by the GPU, which shares system memory and bandwidth. At 1080p with ultra settings, expect playable frame rates only in less demanding titles; competitive games like Counter-Strike or League of Legends may reach 60+ FPS, while graphically intensive games will drop below 30 FPS.

At 1440p or 4K, the integrated GPU's limitations become severe, with frame rates falling to single digits in many modern games. The 61st GPU percentile places the 780M in the same class as the Radeon Pro 560 and just behind the RTX 4060 in average score, but the RTX 4060 is a discrete card with dedicated memory, so real-world gaming performance will differ. Users should treat this system as a productivity-first laptop that can handle light or older games, not as a gaming machine.

Who Should Build It

The Ryzen 9 8945HX + Radeon 780M build targets users who need extreme CPU compute in a mobile form factor but do not require discrete graphics. Software developers compiling large codebases will benefit from the 16 cores and 32 threads, with PassMark integer math at 195180 and data compression at 677755 indicating rapid build and archive operations. Data scientists and researchers running CPU-bound simulations — supported by the floating-point score of 117453 — will find the processor well-suited to their workloads.

Students and small business users handling spreadsheets, documents, and light programming will see excellent responsiveness, though the integrated GPU limits multimedia work. Content creators who rely on CPU-based video encoding or 3D rendering in software renderers will appreciate the Cinebench R23 multi-core score of 42713, but they should look elsewhere if their pipeline depends on GPU acceleration. The 95th CPU percentile makes this a workstation-class processor, while the 61st GPU percentile means graphics tasks are secondary.

Build Overview

This is a laptop-class build (buildClass: "laptop") pairing the AMD Ryzen 9 8945HX with the AMD Radeon 780M integrated GPU. The CPU is a 16-core, 32-thread Zen 4 part with a 5.40 GHz boost clock, while the GPU is a RDNA 3.0 integrated solution with 768 shading units and 12 ray-tracing cores. The combined percentile of 78 places this configuration above the majority of tested systems, driven almost entirely by the processor's 95th percentile performance.

The Radeon 780M's 61st percentile ranking reveals the system's true tier: it is a high-end CPU platform with entry-level graphics. The GPU's 8.909 TFLOPS FP32 throughput and 32 ROPs are sufficient for basic display output and light gaming, but they do not match discrete graphics solutions. The build's overall class is a powerful mobile workstation that happens to include a functional IGP, not a balanced gaming or content-creation laptop.

Usage Scenarios

High-refresh gaming: The integrated Radeon 780M cannot sustain high-refresh gaming at modern resolutions. Its 3DMark Steel Nomad score of 480 and 61st GPU percentile indicate that even 1080p at high refresh rates is out of reach for demanding titles; esports at lower settings may approach 60 FPS, but the 1:1 FP16 ratio and shared memory bandwidth limit headroom.

Streaming: CPU-based streaming via x264 encoding is viable, given the Ryzen 9 8945HX's 16 cores and Cinebench R23 multi-core score of 42713. However, the GPU's 15 W TDP and shared memory mean that hardware encoding is not a strong option, and gaming while streaming will strain the integrated graphics.

Video editing: CPU-based editing in software like DaVinci Resolve's CPU mode will be responsive, with PassMark multithread at 51405 supporting timeline playback and export. GPU-accelerated effects and rendering will be slow, as the Radeon 780M's Vulkan score of 33683 indicates limited compute for such tasks.

3D rendering: CPU rendering in Blender or similar software excels, with the Cinebench R23 multi-core score of 42713 and PassMark floating-point math at 117453. GPU rendering with the 780M is not recommended, as its 8.909 TFLOPS is far below discrete GPU offerings.

Software development: Compilation and code analysis benefit from the 16 cores and 32 threads, with PassMark integer math at 195180 and data compression at 677755. The 64 MB L3 cache reduces memory latency for large projects, making this an ideal mobile developer machine.

Student and office work: Everyday productivity tasks are handled effortlessly, with single-thread PassMark of 3907 ensuring snappy application response. The DDR5 memory support and 83.2 GB/s bandwidth keep multitasking fluid, though the integrated GPU is sufficient only for basic visual workloads.

GPU Analysis

The AMD Radeon 780M is an integrated graphics processor built on the RDNA 3.0 architecture, fabricated on TSMC's 4 nm process with 25,390 million transistors on a 178 mm² die. It features 768 shading units, 48 texture mapping units, and 32 raster operation units, along with 12 ray-tracing cores. Clock speeds range from an 800 MHz base to a 2900 MHz boost, yielding a pixel rate of 92.80 GPixel/s and a texture rate of 139.2 GTexel/s.

Memory is entirely system shared, with no dedicated VRAM; the bus width and bandwidth are dependent on the host system's DDR5 configuration. This shared-memory design means that the GPU's performance scales with memory speed and capacity, making it a poor fit for memory-intensive workloads. The FP32 throughput of 8.909 TFLOPS, matching the FP16 rate at 1:1, indicates balanced compute for shader operations but limited precision flexibility.

The GPU's benchmark scores — 3DMark Steel Nomad DX12 at 480, Geekbench OpenCL at 18602, and Geekbench Vulkan at 33683 — place it in the 61st percentile of all GPUs. Its nearest rivals include the Radeon Pro 560 (0.2% behind) and the RTX 4060 (0.3% ahead), but the RTX 4060 is a discrete card with dedicated memory, so the 780M's real-world performance will be lower in memory-bound scenarios. With a TDP of 15 W and no power connectors, the 780M is designed for efficiency rather than peak performance, making it suitable for basic graphics output and light gaming but not for serious rendering or high-fidelity gaming.

Rate My PC: AMD Ryzen 9 8945HX + AMD Radeon 780M

Apex Performer

System Balance Analysis

AMD Ryzen 9 8945HX

AMD Radeon 780M

Market Position

Game Performance Benchmarks

Cyberpunk 2077

Red Dead Redemption 2

Microsoft Flight Simulator

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Call of Duty: Warzone

Fortnite

Performance Insights

Optimal Performance

4K Gaming Ready

Performance Tiers Explained

Ultimate

High-End

Mid-Range

Entry Level

Legacy

FAQ

Balance and Bottleneck

CPU Analysis

Upgrade Path and Platform

Benchmark Performance

Gaming Performance

Who Should Build It

Build Overview

Usage Scenarios

GPU Analysis

4K Gaming Performance

Cyberpunk 2077

Red Dead Redemption 2

Microsoft Flight Simulator

Control

Call of Duty: Warzone

Fortnite

1440p Gaming Performance

Cyberpunk 2077

Red Dead Redemption 2

Microsoft Flight Simulator

Control

Call of Duty: Warzone

Fortnite

1080p Gaming Performance

Cyberpunk 2077

Red Dead Redemption 2

Microsoft Flight Simulator

Control

Call of Duty: Warzone

Fortnite

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