ATI Radeon HD 3450 X2
AMD graphics card specifications and benchmark scores
At a Glance
AMDATI Radeon HD 3450 X2 Specifications
ATI Radeon HD 3450 X2 GPU Core
Shader units and compute resources
The ATI Radeon HD 3450 X2 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.
ATI Radeon HD 3450 X2 Clock Speeds
GPU and memory frequencies
Clock speeds directly impact the ATI Radeon HD 3450 X2'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 HD 3450 X2 by AMD dynamically adjusts frequencies based on workload, temperature, and power limits to maximize performance while maintaining stability.
AMD's ATI Radeon HD 3450 X2 Memory
VRAM capacity and bandwidth
VRAM (Video RAM) is dedicated memory for storing textures, frame buffers, and shader data. The ATI Radeon HD 3450 X2'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.
ATI Radeon HD 3450 X2 by AMD Cache
On-chip cache hierarchy
On-chip cache provides ultra-fast data access for the ATI Radeon HD 3450 X2, 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.
ATI Radeon HD 3450 X2 Theoretical Performance
Compute and fill rates
Theoretical performance metrics provide a baseline for comparing the ATI Radeon HD 3450 X2 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.
TeraScale Architecture & Process
Manufacturing and design details
The ATI Radeon HD 3450 X2 is built on AMD's TeraScale 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 HD 3450 X2 will perform in GPU benchmarks compared to previous generations.
AMD's ATI Radeon HD 3450 X2 Power & Thermal
TDP and power requirements
Power specifications for the ATI Radeon HD 3450 X2 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 HD 3450 X2 to maintain boost clocks without throttling.
ATI Radeon HD 3450 X2 by AMD Physical & Connectivity
Dimensions and outputs
Physical dimensions of the ATI Radeon HD 3450 X2 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.
AMD API Support
Graphics and compute APIs
API support determines which games and applications can fully utilize the ATI Radeon HD 3450 X2. 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.
ATI Radeon HD 3450 X2 Product Information
Release and pricing details
The ATI Radeon HD 3450 X2 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 HD 3450 X2 by AMD represents good value at current market prices. Predecessor and successor information aids in tracking generational improvements and planning future upgrades.
ATI Radeon HD 3450 X2 Benchmark Scores
No benchmark data available for this GPU.
About ATI Radeon HD 3450 X2
How It Compares
The ATI Radeon HD 3450 X2 occupies a peculiar position in the hardware landscape. With no nearest rivals listed in the benchmark database, its comparative analysis rests entirely on its own architectural and performance characteristics. The data shows a GPU that sits at the 50th percentile of all GPUs tracked, which places it squarely in the middle of the pack historically — neither a standout performer nor a complete outlier.
The absence of direct rival data means the HD 3450 X2 must be understood through its own specifications rather than head-to-head deltas. Its 48.00 GFLOPS of FP32 compute and 2.400 GPixel/s pixel rate define a very entry-level part. The 40 shading units, 4 TMUs, and 4 ROPs collectively describe a chip designed for basic 3D acceleration rather than high-end gaming. This is a product aimed at office desktops and media PCs, not enthusiast rigs.
The 512 MB of DDR2 memory on a 64-bit bus yielding 8.000 GB/s bandwidth further reinforces this positioning. For comparison purposes, modern GPUs typically offer 256-bit or wider buses with bandwidth measured in hundreds of GB/s. The HD 3450 X2's 8.000 GB/s is a fraction of that, indicating severe limitations when handling high-resolution textures or complex scenes.
What the data does not show is any rival product within its immediate performance class. This suggests the HD 3450 X2 was a niche offering, possibly a dual-GPU variant that never received mainstream benchmarking attention. The 50th percentile ranking, combined with zero recorded benchmark scores, hints that this card was rarely tested or that its performance was too low to register meaningfully in standardized suites.
Ray Tracing and Feature Set
The HD 3450 X2 predates ray tracing entirely. The fact pack lists no RT cores and no tensor cores, which is expected for a GPU from the TeraScale architecture generation. DirectX support is limited to 10.1 (specifically the 10_1 feature level), which means the card can handle early DirectX 10 titles but lacks the DirectX 11 and 12 features that later became standard.
OpenGL 3.3 support is present, which allows compatibility with a range of older applications and games. Vulkan is not supported at all, meaning modern cross-platform graphics APIs are off the table. The lack of tensor cores also means no AI-accelerated features like DLSS or similar upscaling technologies — those simply did not exist in this era.
The feature set aligns with the Radeon R600 generation (HD 3400 series), which focused on bringing basic unified shader architecture to the budget segment. The 10_1 DirectX level adds a few incremental features over DirectX 10.0, such as improved texture sampling and blending modes, but these are minor refinements rather than transformative additions.
For practical purposes, the HD 3450 X2 should be viewed as a legacy product. Its API support covers roughly 2007-2010 era software, and anything newer will likely fail to run or run with severe compatibility issues. The absence of Vulkan alone disqualifies it from most modern game engines and even many contemporary productivity applications.
Memory Subsystem
The memory subsystem is one of the most telling aspects of the HD 3450 X2's capabilities. It features 512 MB of DDR2 memory on a 64-bit bus, resulting in a memory bandwidth of 8.000 GB/s. This is an extremely narrow configuration by any standard — even budget GPUs from the same era typically offered 128-bit buses.
The 64-bit bus width means the card can only access half the memory data per clock cycle compared to a 128-bit part. This creates a significant bottleneck when moving texture data, vertex buffers, or framebuffer content. At 1080p or higher resolutions, the 8.000 GB/s bandwidth would be quickly saturated, leading to stuttering, frame drops, and reduced texture detail.
The 512 MB capacity is also limiting. Modern games routinely require 4 GB or more of VRAM, and even 2010-era titles struggled with 512 MB. High-resolution texture packs would be entirely out of the question. The DDR2 type further compounds the issue — DDR2 is slower and has higher latency than DDR3, DDR4, or GDDR5/6 variants.
For high-resolution workloads, the data suggests the HD 3450 X2 would fail to deliver playable performance. The pixel rate of 2.400 GPixel/s means it can theoretically fill 2.4 billion pixels per second, but the memory bandwidth would prevent it from sustaining that rate in real-world scenarios with large textures. The card is best suited for 1024x768 or 1280x1024 resolutions with low detail settings.
FAQ
Q: What is the transistor count and die size of the HD 3450 X2?
A: The chip contains 181 million transistors on a 67 mm² die, produced on a 55 nm process at TSMC, giving a transistor density of 2.7 million per square millimeter.
Q: Does the HD 3450 X2 support DirectX 12 or Vulkan?
A: No. The card supports DirectX 10.1 (feature level 10_1) and OpenGL 3.3. Vulkan is not supported, and there is no DirectX 11 or 12 support listed.
Q: What is the maximum supported memory bandwidth?
A: The memory subsystem provides 8.000 GB/s bandwidth, derived from 512 MB of DDR2 memory on a 64-bit bus running at 500 MHz (1000 Mbps effective).
Q: How many display outputs does the card have?
A: The HD 3450 X2 features 2x DMS-59 outputs, which are multi-monitor capable connectors that can drive up to two displays each with the appropriate adapter.
Q: What power supply is recommended for this card?
A: The suggested PSU rating is 250 W, and the card has a TDP of 50 W. It requires no external power connectors.
Q: Is the HD 3450 X2 still in production?
A: No, the production status is listed as end-of-life. It was released on December 9, 2007, and its predecessor is the Radeon R500 PCIe series, with the Radeon R700 as its successor.
Benchmark Performance
The benchmark data for the HD 3450 X2 is notably sparse — the fact pack lists zero recorded benchmark scores and no average score. The percentile ranking of 50th versus all GPUs provides a positional reference, but without concrete scores or nearest rivals, direct comparative analysis is impossible.
What can be inferred comes from the raw specifications. The 48.00 GFLOPS FP32 throughput is a hard ceiling on compute performance. For context, a modern mid-range GPU typically delivers several thousand GFLOPS. The texture rate of 2.400 GTexel/s and pixel rate of 2.400 GPixel/s are equally constrained by the 4 TMUs and 4 ROPs.
The absence of rival deltas means no percentage comparisons can be made. However, the architectural data speaks clearly: the HD 3450 X2 is a dual-GPU configuration of the RV620 chip, which was itself an entry-level part. Dual-GPU setups of this era often suffered from poor scaling and driver overhead, meaning real-world performance might fall short of the theoretical combined throughput.
The 50th percentile ranking is ambiguous without score data. It could indicate that the card outperforms half of all GPUs ever tracked, but given the long tail of ancient and low-end hardware in such databases, this is not a strong endorsement. More likely, the ranking reflects the card's position among a wide historical range where many entries are even older or more limited.
Who Should Consider It
The HD 3450 X2 is not a card for modern gaming or demanding productivity. Its 48.00 GFLOPS compute and 8.000 GB/s bandwidth place it firmly in legacy territory. The data suggests it would only be suitable for very basic tasks like 2D desktop use, video playback of older codecs, or running pre-2010 games at low resolutions and settings.
For resolutions, the pixel rate of 2.400 GPixel/s theoretically supports 1080p output, but the memory bandwidth would cause significant performance degradation in any 3D workload at that resolution. A more realistic target is 1024x768 or 1366x768 with minimum detail settings. Even then, games from 2007-2009 would likely run at low frame rates.
The card might find use in retro PC builds or as a diagnostic tool for testing PCIe slots. Its 50 W TDP and single-slot design make it easy to install, and the lack of power connectors simplifies integration. However, for anyone seeking playable performance in modern titles, the data is unambiguous: this card is not a viable option.
Given its end-of-life status and the absence of driver support for modern operating systems, the HD 3450 X2 is best considered a collector's item or a museum piece rather than a functional GPU. Its 512 MB VRAM is insufficient even for lightweight Linux desktops with compositing enabled, though basic text-mode or lightweight window managers could work.
Power and Cooling
The HD 3450 X2 consumes a modest 50 W TDP, which is remarkably low by modern standards. The suggested PSU rating is 250 W, meaning almost any desktop power supply from the last two decades can handle it. The card requires no external power connectors — it draws all power from the PCIe 2.0 x16 slot.
Cooling is handled by a single-slot design, which keeps the card compact at 168 mm in length (6.6 inches). This makes it suitable for small form factor cases where space is at a premium. The 55 nm manufacturing process helps keep heat generation low, though the dual-GPU configuration might produce more heat than a single-chip card.
The memory operates at 500 MHz with 1000 Mbps effective data rate, which is conservative for DDR2 and likely contributes to the low power draw. The absence of a boost clock or game clock in the specifications suggests the card runs at fixed frequencies, further simplifying power delivery.
For system builders, the 250 W PSU recommendation is generous — a 150 W unit would likely suffice for the card alone, but the recommendation accounts for the rest of the system. The lack of power connectors means no cable management concerns, and the single-slot cooler ensures compatibility with adjacent expansion cards. Thermal performance should be adequate for the 50 W TDP, though sustained load on both GPU cores might require adequate case airflow.
The NVIDIA Equivalent of ATI Radeon HD 3450 X2
Looking for a similar graphics card from NVIDIA? The NVIDIA GeForce RTX 2080 offers comparable performance and features in the NVIDIA lineup.
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