RADEON

ATI Radeon X1800 XL

AMD graphics card specifications and benchmark scores

256 MB
VRAM
MHz Boost
70W
TDP
256
Bus Width

ATI Radeon X1800 XL Specifications

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ATI Radeon X1800 XL GPU Core

Shader units and compute resources

The ATI Radeon X1800 XL 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.

TMUs
16
ROPs
16
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ATI Radeon X1800 XL Clock Speeds

GPU and memory frequencies

Clock speeds directly impact the ATI Radeon X1800 XL'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 ATI Radeon X1800 XL by AMD dynamically adjusts frequencies based on workload, temperature, and power limits to maximize performance while maintaining stability.

GPU Clock
500 MHz
Memory Clock
500 MHz 1000 Mbps effective
GDDR GDDR 6X 6X

AMD's ATI Radeon X1800 XL Memory

VRAM capacity and bandwidth

VRAM (Video RAM) is dedicated memory for storing textures, frame buffers, and shader data. The ATI Radeon X1800 XL'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
256 MB
VRAM
256 MB
Memory Type
GDDR3
VRAM Type
GDDR3
Memory Bus
256 bit
Bus Width
256-bit
Bandwidth
32.00 GB/s
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ATI Radeon X1800 XL Theoretical Performance

Compute and fill rates

Theoretical performance metrics provide a baseline for comparing the ATI Radeon X1800 XL 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.

Pixel Rate
8.000 GPixel/s
Texture Rate
8.000 GTexel/s
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Ultra-Threaded SE Architecture & Process

Manufacturing and design details

The ATI Radeon X1800 XL is built on AMD's Ultra-Threaded SE 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 ATI Radeon X1800 XL will perform in GPU benchmarks compared to previous generations.

Architecture
Ultra-Threaded SE
GPU Name
R520
Process Node
90 nm
Foundry
TSMC
Transistors
312 million
Die Size
288 mm²
Density
1.1M / mm²
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AMD's ATI Radeon X1800 XL Power & Thermal

TDP and power requirements

Power specifications for the ATI Radeon X1800 XL 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 ATI Radeon X1800 XL to maintain boost clocks without throttling.

TDP
70 W
TDP
70W
Power Connectors
1x 6-pin
Suggested PSU
250 W
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ATI Radeon X1800 XL by AMD Physical & Connectivity

Dimensions and outputs

Physical dimensions of the ATI Radeon X1800 XL 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
254 mm 10 inches
Height
111 mm 4.4 inches
Bus Interface
PCIe 1.0 x16
Display Outputs
2x DVI1x S-Video
Display Outputs
2x DVI1x S-Video
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AMD API Support

Graphics and compute APIs

API support determines which games and applications can fully utilize the ATI Radeon X1800 XL. 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
9.0c (9_3)
DirectX
9.0c (9_3)
OpenGL
2.1
OpenGL
2.1
Shader Model
3.0
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ATI Radeon X1800 XL Product Information

Release and pricing details

The ATI Radeon X1800 XL 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 ATI Radeon X1800 XL 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
Oct 2005
Production
End-of-life
Predecessor
Radeon R400 PCIe
Successor
Radeon R600

ATI Radeon X1800 XL Benchmark Scores

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No benchmark data available for this GPU.

About ATI Radeon X1800 XL

The AMD ATI Radeon X1800 XL delivers exceptional value for enthusiasts pursuing retro gaming builds on a budget. With 256 MB of GDDR3 VRAM clocked efficiently and a modest 70 W TDP, it punches above its weight in power efficiency for its 90 nm Ultra-Threaded SE architecture. Released in October 2005 via PCIe 1.0 x16 interface, this card remains a cost-effective choice at under $50 on the secondary market today. Its low thermal demands make it ideal for compact cases without aggressive cooling solutions. Cost analysis reveals a compelling price-to-performance ratio for 2000s-era titles, outperforming integrated graphics of the time. Segment placement positions the AMD ATI Radeon X1800 XL as a mid-range powerhouse from AMD's golden era, perfect for value-driven collectors. Future-proofing is limited by modern API support, yet it excels in legacy DirectX 9 environments.

For segment placement, the AMD ATI Radeon X1800 XL fits snugly into high-value retro PC segments like emulation stations and period-authentic workstations. Build recommendations emphasize pairing it with AMD Athlon 64 or Intel Pentium 4 systems for optimal synergy. Its 70 W TDP allows seamless integration into low-power SFF chassis, reducing overall system costs. Here are five key build tips for maximizing its value:

  1. Pair with 2-4 GB DDR2 RAM for balanced performance in era-specific games.
  2. Use a 400-500 W PSU to handle the PCIe 1.0 x16 without excess overhead.
  3. Opt for passive cooling mods to leverage its efficient 90 nm process.
  4. Target resolutions up to 1600x1200 for crisp visuals in classics like Half-Life 2.
  5. Combine with SSD boot drives for snappy load times in vintage setups.

Future-proofing the AMD ATI Radeon X1800 XL involves focusing on its enduring strengths in shader-heavy workloads from its Ultra-Threaded SE design. While lacking modern features, its value shines in cost analysis for hobbyists avoiding overkill hardware. Enthusiasts report reliable longevity with basic maintenance, extending usability for decades. The 256 MB GDDR3 memory holds up surprisingly well for texture-intensive retro titles. Segment-wise, it undercuts newer budget cards in acquisition cost while matching output in targeted scenarios. Build recommendations favor it for silent HTPCs or arcade cabinets, where power draw matters most. Ultimately, the AMD ATI Radeon X1800 XL embodies timeless value for tech-savvy builders prioritizing affordability and nostalgia.

The NVIDIA Equivalent of ATI Radeon X1800 XL

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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