RADEON

AMD Radeon RX 455 OEM

AMD graphics card specifications and benchmark scores

2 GB
VRAM
MHz Boost
100W
TDP
128
Bus Width

AMD Radeon RX 455 OEM Specifications

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Radeon RX 455 OEM GPU Core

Shader units and compute resources

The AMD Radeon RX 455 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
768
Shaders
768
TMUs
48
ROPs
16
Compute Units
12
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RX 455 OEM Clock Speeds

GPU and memory frequencies

Clock speeds directly impact the Radeon RX 455 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 RX 455 OEM by AMD dynamically adjusts frequencies based on workload, temperature, and power limits to maximize performance while maintaining stability.

GPU Clock
1050 MHz
Memory Clock
1625 MHz 6.5 Gbps effective
GDDR GDDR 6X 6X

AMD's Radeon RX 455 OEM Memory

VRAM capacity and bandwidth

VRAM (Video RAM) is dedicated memory for storing textures, frame buffers, and shader data. The Radeon RX 455 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
104.0 GB/s
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Radeon RX 455 OEM by AMD Cache

On-chip cache hierarchy

On-chip cache provides ultra-fast data access for the RX 455 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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RX 455 OEM Theoretical Performance

Compute and fill rates

Theoretical performance metrics provide a baseline for comparing the AMD Radeon RX 455 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)
1.613 TFLOPS
FP64 (Double)
100.8 GFLOPS (1:16)
Pixel Rate
16.80 GPixel/s
Texture Rate
50.40 GTexel/s
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GCN 2.0 Architecture & Process

Manufacturing and design details

The AMD Radeon RX 455 OEM 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 RX 455 OEM will perform in GPU benchmarks compared to previous generations.

Architecture
GCN 2.0
GPU Name
Tobago
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 RX 455 OEM Power & Thermal

TDP and power requirements

Power specifications for the AMD Radeon RX 455 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 RX 455 OEM to maintain boost clocks without throttling.

TDP
100 W
TDP
100W
Power Connectors
1x 6-pin
Suggested PSU
300 W
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Radeon RX 455 OEM by AMD Physical & Connectivity

Dimensions and outputs

Physical dimensions of the AMD Radeon RX 455 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
Single-slot
Length
165 mm 6.5 inches
Bus Interface
PCIe 3.0 x16
Display Outputs
1x DVI1x HDMI 1.4a1x DisplayPort 1.2
Display Outputs
1x DVI1x HDMI 1.4a1x DisplayPort 1.2
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AMD API Support

Graphics and compute APIs

API support determines which games and applications can fully utilize the AMD Radeon RX 455 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 (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 RX 455 OEM Product Information

Release and pricing details

The AMD Radeon RX 455 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 RX 455 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
Jun 2016
Production
End-of-life
Predecessor
Pirate Islands
Successor
Polaris

Radeon RX 455 OEM Benchmark Scores

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No benchmark data available for this GPU.

About AMD Radeon RX 455 OEM

The AMD Radeon RX 455 OEM represents a cost-effective solution for budget-conscious consumers seeking entry-level graphics performance. With its 2 GB GDDR5 VRAM and 28 nm architecture, it targets casual gaming and multimedia tasks, though its GCN 2.0 design and 100 W TDP position it below mid-tier competitors. Launched in June 2016, its PCIe 3.0 x16 interface ensures compatibility with modern motherboards, but its lack of newer features like ray tracing limits its competitive edge. While the AMD Radeon RX 455 OEM’s low power consumption appeals to energy-efficient builds, its performance ceiling may dissatisfy users demanding 1080p gaming at higher settings. Cost analysis reveals it remains viable for legacy systems or secondary workstations, but its dated architecture may hinder future software optimization.

  1. Cost: Priced at entry-level, the AMD Radeon RX 455 OEM offers minimal upfront investment but lacks scalability for evolving workloads.
  2. Segment Placement: Best suited for HTPCs, office PCs, or budget gaming rigs, not for 3A titles at modern resolutions.
  3. Future-Proofing: Limited by 2016-era architecture; newer GPUs provide better performance-per-watt and feature parity.
  4. System Requirements: Requires a 300 W PSU and adequate airflow, making it compatible with most mid-tower cases.
  5. Longevity: While durable, its performance gap with newer GPUs may necessitate upgrades within 3 4 years.

The NVIDIA Equivalent of Radeon RX 455 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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