RADEON

AMD Radeon R9 M395X

AMD graphics card specifications and benchmark scores

8 GB
VRAM
MHz Boost
75W
TDP
256
Bus Width

AMD Radeon R9 M395X Specifications

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Radeon R9 M395X GPU Core

Shader units and compute resources

The AMD Radeon R9 M395X GPU core specifications define its raw processing power for graphics and compute workloads. Shading units (also called CUDA cores, stream processors, or execution units depending on manufacturer) handle the parallel calculations required for rendering. TMUs (Texture Mapping Units) process texture data, while ROPs (Render Output Units) handle final pixel output. Higher shader counts generally translate to better GPU benchmark performance, especially in demanding games and 3D applications.

Shading Units
2,048
Shaders
2,048
TMUs
128
ROPs
32
Compute Units
32
⏱️

R9 M395X Clock Speeds

GPU and memory frequencies

Clock speeds directly impact the Radeon R9 M395X's performance in GPU benchmarks and real-world gaming. The base clock represents the minimum guaranteed frequency, while the boost clock indicates peak performance under optimal thermal conditions. Memory clock speed affects texture loading and frame buffer operations. The Radeon R9 M395X by AMD dynamically adjusts frequencies based on workload, temperature, and power limits to maximize performance while maintaining stability.

GPU Clock
723 MHz
Memory Clock
1250 MHz 5 Gbps effective
GDDR GDDR 6X 6X

AMD's Radeon R9 M395X Memory

VRAM capacity and bandwidth

VRAM (Video RAM) is dedicated memory for storing textures, frame buffers, and shader data. The Radeon R9 M395X's memory capacity determines how well it handles high-resolution textures and multiple displays. Memory bandwidth, measured in GB/s, affects how quickly data moves between the GPU and VRAM. Higher bandwidth improves performance in memory-intensive scenarios like 4K gaming. The memory bus width and type (GDDR6, GDDR6X, HBM) significantly influence overall GPU benchmark scores.

Memory Size
8 GB
VRAM
8,192 MB
Memory Type
GDDR5
VRAM Type
GDDR5
Memory Bus
256 bit
Bus Width
256-bit
Bandwidth
160.0 GB/s
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Radeon R9 M395X by AMD Cache

On-chip cache hierarchy

On-chip cache provides ultra-fast data access for the R9 M395X, reducing the need to fetch data from slower VRAM. L1 and L2 caches store frequently accessed data close to the compute units. AMD's Infinity Cache (L3) dramatically increases effective bandwidth, improving GPU benchmark performance without requiring wider memory buses. Larger cache sizes help maintain high frame rates in memory-bound scenarios and reduce power consumption by minimizing VRAM accesses.

L1 Cache
16 KB (per CU)
L2 Cache
512 KB
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R9 M395X Theoretical Performance

Compute and fill rates

Theoretical performance metrics provide a baseline for comparing the AMD Radeon R9 M395X against other graphics cards. FP32 (single-precision) performance, measured in TFLOPS, indicates compute capability for gaming and general GPU workloads. FP64 (double-precision) matters for scientific computing. Pixel and texture fill rates determine how quickly the GPU can render complex scenes. While real-world GPU benchmark results depend on many factors, these specifications help predict relative performance levels.

FP32 (Float)
2.961 TFLOPS
FP64 (Double)
185.1 GFLOPS (1:16)
FP16 (Half)
2.961 TFLOPS (1:1)
Pixel Rate
23.14 GPixel/s
Texture Rate
92.54 GTexel/s
🏗️

GCN 3.0 Architecture & Process

Manufacturing and design details

The AMD Radeon R9 M395X is built on AMD's GCN 3.0 architecture, which defines how the GPU processes graphics and compute workloads. The manufacturing process node affects power efficiency, thermal characteristics, and maximum clock speeds. Smaller process nodes pack more transistors into the same die area, enabling higher performance per watt. Understanding the architecture helps predict how the R9 M395X will perform in GPU benchmarks compared to previous generations.

Architecture
GCN 3.0
GPU Name
Amethyst
Process Node
28 nm
Foundry
TSMC
Transistors
5,000 million
Die Size
366 mm²
Density
13.7M / mm²
🔌

AMD's Radeon R9 M395X Power & Thermal

TDP and power requirements

Power specifications for the AMD Radeon R9 M395X determine PSU requirements and thermal management needs. TDP (Thermal Design Power) indicates the heat output under typical loads, guiding cooler selection. Power connector requirements ensure adequate power delivery for stable operation during demanding GPU benchmarks. The suggested PSU wattage accounts for the entire system, not just the graphics card. Efficient power delivery enables the Radeon R9 M395X to maintain boost clocks without throttling.

TDP
75 W
TDP
75W
Power Connectors
None
📐

Radeon R9 M395X by AMD Physical & Connectivity

Dimensions and outputs

Physical dimensions of the AMD Radeon R9 M395X are critical for case compatibility. Card length, height, and slot width determine whether it fits in your chassis. The PCIe interface version affects bandwidth for communication with the CPU. Display outputs define monitor connectivity options, with modern cards supporting multiple high-resolution displays simultaneously. Verify these specifications against your case and motherboard before purchasing to ensure a proper fit.

Slot Width
MXM Module
Bus Interface
PCIe 3.0 x16
Display Outputs
Portable Device Dependent
Display Outputs
Portable Device Dependent
🎮

AMD API Support

Graphics and compute APIs

API support determines which games and applications can fully utilize the AMD Radeon R9 M395X. DirectX 12 Ultimate enables advanced features like ray tracing and variable rate shading. Vulkan provides cross-platform graphics capabilities with low-level hardware access. OpenGL remains important for professional applications and older games. CUDA (NVIDIA) and OpenCL enable GPU compute for video editing, 3D rendering, and scientific applications. Higher API versions unlock newer graphical features in GPU benchmarks and games.

DirectX
12 (12_0)
DirectX
12 (12_0)
OpenGL
4.6
OpenGL
4.6
Vulkan
1.2.170
Vulkan
1.2.170
OpenCL
2.1
Shader Model
6.5
📦

Radeon R9 M395X Product Information

Release and pricing details

The AMD Radeon R9 M395X is manufactured by AMD as part of their graphics card lineup. Release date and launch pricing provide context for comparing GPU benchmark results with competing products from the same era. Understanding the product lifecycle helps evaluate whether the Radeon R9 M395X by AMD represents good value at current market prices. Predecessor and successor information aids in tracking generational improvements and planning future upgrades.

Manufacturer
AMD
Release Date
May 2015
Production
End-of-life
Predecessor
Solar System
Successor
Polaris Mobile

Radeon R9 M395X Benchmark Scores

geekbench_metalSource

Geekbench Metal tests GPU compute using Apple's Metal API. This shows how AMD Radeon R9 M395X performs in macOS and iOS applications that leverage GPU acceleration.

geekbench_metal #62 of 147
33,953
15%
Max: 222,653
Compare with other GPUs

geekbench_openclSource

Geekbench OpenCL tests GPU compute performance using the cross-platform OpenCL API. This shows how AMD Radeon R9 M395X handles parallel computing tasks like video encoding and scientific simulations. OpenCL is widely supported across different GPU vendors and platforms. Higher scores benefit applications that leverage GPU acceleration for non-graphics workloads.

geekbench_opencl #272 of 582
21,813
6%
Max: 380,114
Compare with other GPUs

🏆 Top 5 Performers

About AMD Radeon R9 M395X

The AMD Radeon R9 M395X delivers solid performance for its era, built on the GCN 3.0 architecture using a 28 nm manufacturing process. This mobile GPU packs 8 GB of GDDR5 memory, providing ample bandwidth for high-resolution textures and complex rendering tasks. With a PCIe 3.0 x16 interface, it ensures low-latency communication with the host system, minimizing bottlenecks in data-heavy scenarios. The Radeon R9 M395X maintains a TDP of 75W, making it efficient for high-end laptops without requiring excessive cooling. Benchmark results show a Geekbench Metal score of 33,953 points and an OpenCL score of 21,813, highlighting its proficiency in parallel computing and graphics workloads. As the AMD Radeon R9 M395X handles modern APIs well, it supports features like DirectX 12 and OpenGL 4.5 for improved rendering efficiency. Its 8 GB VRAM buffer gives it an edge over contemporaries with lower memory capacity. Whether driving dual external displays or handling 3D workloads, the R9 M395X remains competitive in its class. In gaming scenarios, the AMD Radeon R9 M395X sustains playable frame rates in AAA titles at 1080p and often at 1440p with medium-to-high settings. Titles like *The Witcher 3* and *Shadow of Mordor* run smoothly, thanks to the GCN 3.0 architecture's optimized compute units. While it lacks support for ray tracing, the R9 M395X handles tessellation, shadow mapping, and post-processing effects with confidence. The 8 GB of GDDR5 memory prevents stuttering in texture-heavy environments, a key advantage over 4 GB variants. Power draw remains manageable at 75W, allowing integration into performance laptops without extreme thermal designs. The AMD Radeon R9 M395X performs best when paired with a high-wattage CPU to avoid bottlenecks. Even years after release, this GPU holds relevance in budget-conscious gaming rigs and workstation conversions. Its balance of memory, bandwidth, and efficiency defines its longevity. For users seeking a capable mobile workstation or gaming GPU from the mid-2010s, the Radeon R9 M395X remains a smart choice. It excels in video editing, 3D modeling, and rendering thanks to strong OpenCL performance. Below is a summary of its optimal applications:
  1. High-resolution gaming on laptops at 1080p 1440p with stable FPS
  2. Content creation workflows involving Adobe Premiere and Blender
  3. Multi-display setups benefiting from expansive 8 GB VRAM
The AMD Radeon R9 M395X supports AMD's Eyefinity for driving up to six displays simultaneously, a rare feat in mobile GPUs of its time. Its combination of memory headroom and API support makes it a durable option even today. Whether you're upgrading an older system or evaluating legacy hardware, the R9 M395X provides measurable value. As AMD’s high-end mobile offering in 2015, the Radeon R9 M395X set a benchmark for VRAM-rich laptop graphics solutions.

The NVIDIA Equivalent of Radeon R9 M395X

Looking for a similar graphics card from NVIDIA? The NVIDIA GeForce RTX 2080 offers comparable performance and features in the NVIDIA lineup.

NVIDIA GeForce RTX 2080

NVIDIA • 8 GB VRAM

View Specs Compare

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