RADEON

AMD Radeon R9 M280X

AMD graphics card specifications and benchmark scores

4 GB
VRAM
1000
MHz Boost
TDP
128
Bus Width

AMD Radeon R9 M280X Specifications

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Radeon R9 M280X GPU Core

Shader units and compute resources

The AMD Radeon R9 M280X 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
896
Shaders
896
TMUs
56
ROPs
16
Compute Units
14
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R9 M280X Clock Speeds

GPU and memory frequencies

Clock speeds directly impact the Radeon R9 M280X'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 M280X by AMD dynamically adjusts frequencies based on workload, temperature, and power limits to maximize performance while maintaining stability.

Base Clock
900 MHz
Base Clock
900 MHz
Boost Clock
1000 MHz
Boost Clock
1,000 MHz
Memory Clock
1375 MHz 5.5 Gbps effective
GDDR GDDR 6X 6X

AMD's Radeon R9 M280X Memory

VRAM capacity and bandwidth

VRAM (Video RAM) is dedicated memory for storing textures, frame buffers, and shader data. The Radeon R9 M280X'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
4 GB
VRAM
4,096 MB
Memory Type
GDDR5
VRAM Type
GDDR5
Memory Bus
128 bit
Bus Width
128-bit
Bandwidth
88.00 GB/s
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Radeon R9 M280X by AMD Cache

On-chip cache hierarchy

On-chip cache provides ultra-fast data access for the R9 M280X, 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
256 KB
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R9 M280X Theoretical Performance

Compute and fill rates

Theoretical performance metrics provide a baseline for comparing the AMD Radeon R9 M280X 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)
1.792 TFLOPS
FP64 (Double)
112.0 GFLOPS (1:16)
Pixel Rate
16.00 GPixel/s
Texture Rate
56.00 GTexel/s
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GCN 2.0 Architecture & Process

Manufacturing and design details

The AMD Radeon R9 M280X is built on AMD's GCN 2.0 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 M280X will perform in GPU benchmarks compared to previous generations.

Architecture
GCN 2.0
GPU Name
Saturn
Process Node
28 nm
Foundry
TSMC
Transistors
2,080 million
Die Size
160 mm²
Density
13.0M / mm²
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AMD's Radeon R9 M280X Power & Thermal

TDP and power requirements

Power specifications for the AMD Radeon R9 M280X 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 M280X to maintain boost clocks without throttling.

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Radeon R9 M280X by AMD Physical & Connectivity

Dimensions and outputs

Physical dimensions of the AMD Radeon R9 M280X 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.

Bus Interface
PCIe 3.0 x16
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AMD API Support

Graphics and compute APIs

API support determines which games and applications can fully utilize the AMD Radeon R9 M280X. 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
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Radeon R9 M280X Product Information

Release and pricing details

The AMD Radeon R9 M280X 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 M280X 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
Feb 2015
Production
End-of-life
Predecessor
Solar System
Successor
Polaris Mobile

Radeon R9 M280X Benchmark Scores

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No benchmark data available for this GPU.

About AMD Radeon R9 M280X

The AMD Radeon R9 M280X delivers mid-tier compute performance, making it a viable option for 1080p gaming and lightweight creative workloads. Built on the GCN 2.0 architecture with a base clock of 900 MHz and a boost clock of 1000 MHz, it handles DirectX 12 and OpenGL applications with reasonable efficiency. However, its 4 GB GDDR5 VRAM and 28 nm process limit its ability to sustain high frame rates in modern AAA titles at ultra settings. The R9 M280X excels in 3D rendering for older engines and budget-friendly content creation, though users may encounter stuttering in newer ray-traced workflows. Software compatibility remains solid thanks to AMD's Adrenalin drivers, ensuring stable performance in titles like Fortnite and CS:GO. Gamers prioritizing 1440p or 4K should look elsewhere, as the Radeon R9 M280X struggles to maintain consistent 60 FPS in demanding scenarios.

Multi-GPU setups with the R9 M280X are possible via CrossFire, but thermal and power constraints often negate potential performance gains. Its PCIe 3.0 x16 interface ensures decent bandwidth, though the 28 nm architecture leads to higher power consumption compared to newer chips. For casual gamers, the Radeon R9 M280X remains a budget-friendly option for retro gaming and low-setting 1080p play, but it falters in DLSS-optimized titles lacking AMD equivalent tech. Overclocking headroom is limited due to laptop-tier cooling in most implementations, making it a niche choice for enthusiasts. Those building or upgrading for modern benchmarks should prioritize Navi or RDNA-based GPUs, but the R9 M280X still offers playable performance in titles like Rocket League and Overwatch with minor tweaks. Its legacy status makes it best suited for secondary rigs or entry-level productivity tasks.

  1. 4 GB GDDR5 VRAM
  2. Base Clock: 900 MHz | Boost Clock: 1000 MHz
  3. GCN 2.0 Architecture
  4. 28 nm Manufacturing Process
  5. PCIe 3.0 x16 Interface

The NVIDIA Equivalent of Radeon R9 M280X

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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