ATI Radeon X800 XT vs HD 6450A
Aggregate performance score
We've compared Radeon HD 6450A with Radeon X800 XT, including specs and performance data.
HD 6450A outperforms X800 XT by a whopping 170% based on our aggregate benchmark results.
Contents
Primary details
GPU architecture, market segment, value for money and other general parameters compared.
| Place in the ranking | 1260 | 1439 |
| Place by popularity | not in top-100 | not in top-100 |
| Power efficiency | 1.91 | 0.33 |
| Architecture | TeraScale 2 (2009−2015) | R400 (2004−2008) |
| GPU code name | Caicos | R423 |
| Market segment | Laptop | Desktop |
| Release date | 7 April 2011 (15 years ago) | 1 December 2004 (21 years ago) |
Detailed specifications
General parameters such as number of shaders, GPU core base clock and boost clock speeds, manufacturing process, texturing and calculation speed. Real power consumption of some graphics cards can well exceed their nominal TDP, especially if overclocked.
| Pipelines / CUDA cores | 160 | no data |
| Core clock speed | 625 MHz | 500 MHz |
| Number of transistors | 370 million | 160 million |
| Manufacturing process technology | 40 nm | 130 nm |
| Power consumption (TDP) | 25 Watt | 54 Watt |
| Texture fill rate | 5.000 | 8.000 |
| Floating-point processing power | 0.2 TFLOPS | no data |
| ROPs | 4 | 16 |
| TMUs | 8 | 16 |
| L1 Cache | 16 KB | no data |
| L2 Cache | 128 KB | no data |
Form factor & compatibility
Information on compatibility with other computer components. Useful when choosing a future computer configuration or upgrading an existing one. For desktop graphics cards it's interface and bus (motherboard compatibility), additional power connectors (power supply compatibility).
| Interface | MXM-A (3.0) | PCIe 1.0 x16 |
| Width | no data | 1-slot |
| Supplementary power connectors | no data | 1x 6-pin |
VRAM capacity and type
Parameters of VRAM installed: its type, size, bus, clock and resulting bandwidth. Integrated GPUs have no dedicated video RAM and use a shared part of system RAM.
| Memory type | DDR3 | GDDR3 |
| Maximum RAM amount | 512 MB | 256 MB |
| Memory bus width | 64 Bit | 256 Bit |
| Memory clock speed | 533 MHz | 500 MHz |
| Memory bandwidth | 8.528 GB/s | 32 GB/s |
Connectivity and outputs
This section shows the types and number of video connectors on each GPU. The data applies specifically to desktop reference models (for example, NVIDIA’s Founders Edition). OEM partners often modify both the number and types of ports. On notebook GPUs, video‐output options are determined by the laptop’s design rather than the graphics chip itself.
| Display Connectors | No outputs | 1x DVI, 1x VGA, 1x S-Video |
API and SDK support
List of supported 3D and general-purpose computing APIs, including their specific versions.
| DirectX | 11.2 (11_0) | 9.0b (9_2) |
| Shader Model | 5.0 | no data |
| OpenGL | 4.4 | 2.0 |
| OpenCL | 1.2 | N/A |
| Vulkan | N/A | N/A |
Synthetic benchmarks
Non-gaming benchmark results comparison. The combined score is measured on a 0-100 point scale.
Combined synthetic benchmark score
This is our combined benchmark score.
Passmark
This is the most ubiquitous GPU benchmark. It gives the graphics card a thorough evaluation under various types of load, providing four separate benchmarks for Direct3D versions 9, 10, 11 and 12 (the last being done in 4K resolution if possible), and few more tests engaging DirectCompute capabilities.
Gaming performance
Let's see how good the compared graphics cards are for gaming. Particular gaming benchmark results are measured in FPS.
Pros & cons summary
| Performance score | 0.62 | 0.23 |
| Recency | 7 April 2011 | 1 December 2004 |
| Maximum RAM amount | 512 MB | 256 MB |
| Chip lithography | 40 nm | 130 nm |
| Power consumption (TDP) | 25 Watt | 54 Watt |
HD 6450A has a 170% higher aggregate performance score, an age advantage of 6 years, a 100% higher maximum VRAM amount, a 225% more advanced lithography process, and 116% lower power consumption.
The Radeon HD 6450A is our recommended choice as it beats the Radeon X800 XT in performance tests.
Be aware that Radeon HD 6450A is a notebook graphics card while Radeon X800 XT is a desktop one.
Other comparisons
We selected several comparisons of graphics cards with performance close to those reviewed, providing you with more options to consider.
