RADEON

AMD Radeon R9 255 OEM

AMD graphics card specifications and benchmark scores

2 GB
VRAM
930
MHz Boost
65W
TDP
128
Bus Width

AMD Radeon R9 255 OEM Specifications

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Radeon R9 255 OEM GPU Core

Shader units and compute resources

The AMD Radeon R9 255 OEM 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
512
Shaders
512
TMUs
32
ROPs
16
Compute Units
8
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R9 255 OEM Clock Speeds

GPU and memory frequencies

Clock speeds directly impact the Radeon R9 255 OEM'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 255 OEM 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
930 MHz
Boost Clock
930 MHz
Memory Clock
1150 MHz 4.6 Gbps effective
GDDR GDDR 6X 6X

AMD's Radeon R9 255 OEM Memory

VRAM capacity and bandwidth

VRAM (Video RAM) is dedicated memory for storing textures, frame buffers, and shader data. The Radeon R9 255 OEM'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
2 GB
VRAM
2,048 MB
Memory Type
GDDR5
VRAM Type
GDDR5
Memory Bus
128 bit
Bus Width
128-bit
Bandwidth
73.60 GB/s
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Radeon R9 255 OEM by AMD Cache

On-chip cache hierarchy

On-chip cache provides ultra-fast data access for the R9 255 OEM, 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 255 OEM Theoretical Performance

Compute and fill rates

Theoretical performance metrics provide a baseline for comparing the AMD Radeon R9 255 OEM 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)
952.3 GFLOPS
FP64 (Double)
59.52 GFLOPS (1:16)
Pixel Rate
14.88 GPixel/s
Texture Rate
29.76 GTexel/s
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GCN 1.0 Architecture & Process

Manufacturing and design details

The AMD Radeon R9 255 OEM is built on AMD's GCN 1.0 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 255 OEM will perform in GPU benchmarks compared to previous generations.

Architecture
GCN 1.0
GPU Name
Cape Verde
Process Node
28 nm
Foundry
TSMC
Transistors
1,500 million
Die Size
123 mm²
Density
12.2M / mm²
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AMD's Radeon R9 255 OEM Power & Thermal

TDP and power requirements

Power specifications for the AMD Radeon R9 255 OEM 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 255 OEM to maintain boost clocks without throttling.

TDP
65 W
TDP
65W
Power Connectors
1x 6-pin
Suggested PSU
250 W
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Radeon R9 255 OEM by AMD Physical & Connectivity

Dimensions and outputs

Physical dimensions of the AMD Radeon R9 255 OEM 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
Dual-slot
Bus Interface
PCIe 3.0 x16
Display Outputs
No outputs
Display Outputs
No outputs
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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 255 OEM. 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 (11_1)
DirectX
12 (11_1)
OpenGL
4.6
OpenGL
4.6
Vulkan
1.2.170
Vulkan
1.2.170
OpenCL
2.1 (1.2)
Shader Model
6.5 (5.1)
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Radeon R9 255 OEM Product Information

Release and pricing details

The AMD Radeon R9 255 OEM 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 255 OEM 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
Dec 2013
Production
End-of-life
Predecessor
Sea Islands
Successor
Pirate Islands

Radeon R9 255 OEM Benchmark Scores

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No benchmark data available for this GPU.

About AMD Radeon R9 255 OEM

The AMD Radeon R9 255 OEM stands out as an entry-level card designed for gamers seeking solid performance without breaking the bank. Featuring AMD's Graphics Core Next (GCN) 1.0 architecture on a 28 nm process, this card delivers reliable gaming capabilities primed for 1080p experiences. Its 2 GB GDDR5 memory ensures decent bandwidth for most current titles, while the 900 MHz base clock with a boost up to 930 MHz provides a responsive gaming experience. With a TDP of just 65W, the R9 255 OEM is energy-efficient and requires minimal power supply overhead, making it suitable for small form factor builds. The PCIe 3.0 x16 interface ensures broad compatibility and fast data transfer rates with most modern motherboards. Although no benchmark data is readily available, the card's specifications hint at competent performance in casual and mid-range gaming scenarios. Its cooling solution, typical for OEM cards, is designed for quiet operation and thermal stability during extended gaming sessions. Key gaming features of the AMD AMD Radeon R9 255 OEM include a focus on reliable gaming performance and advanced graphics delivery for budget-conscious users. While not a powerhouse for high-end 4K gaming, it excels in delivering smooth 1080p gameplay with moderate settings. Its 2GB VRAM helps handle textures and shaders efficiently, although demanding titles may push its limits in higher settings. Video memory plays an important role in ensuring consistent frame rates and visual fidelity during gameplay. The card emphasizes cooling considerations tailored for OEM systems quiet operation and thermal management are priorities to maintain stability over long gaming sessions. Its optimal use cases are in home entertainment setups, eSports, and casual gaming environments where budget constraints are a key concern. In-depth scrutiny of the AMD Radeon R9 255 OEM reveals it as a versatile choice for those seeking an upgrade from integrated graphics. Its architecture and process technology enable decent efficiency and performance, especially in older or less demanding titles. For gamers, the GPU's design supports a variety of titles at playable frame rates but may struggle with more recent AAA releases at high settings. Its limited VRAM capacity means users should expect to tweak game settings for optimal performance. This OEM card is best suited for users prioritizing affordability, power efficiency, and reliable graphics output. When considering the AMD AMD Radeon R9 255 OEM, it's vital to weigh its capabilities against newer offerings but for its time, it offered excellent value. Enthusiasts should note its suitability for general gaming, media consumption, and light creative work all within a budget-friendly framework. To summarize, the AMD Radeon R9 255 OEM remains a noteworthy entry in the realm of budget gaming graphics cards. While lacking benchmark data, its hardware specs suggest it can handle a wide range of titles with satisfactory results, especially at 1080p resolutions. Its architecture, combined with GDDR5 video memory, provides a good platform for casual gamers and PC builders aiming for efficient performance without excessive heat or power draw. The card's design for OEM systems ensures quiet operation and consistent thermals, adding to its appeal in compact or prebuilt systems. For those hunting for a cost-effective upgrade, the AMD AMD Radeon R9 255 OEM offers a dependable solution that balances performance and efficiency. As a workhorse for everyday gaming and multimedia tasks, this GPU remains a solid choice for budget-wise enthusiasts. Its legacy as an affordable yet capable graphics card secures its place in the budget gaming market landscape.

The NVIDIA Equivalent of Radeon R9 255 OEM

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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