ATI Radeon HD 2900 XT vs HD 8740 OEM
Contents
Primary details
GPU architecture, market segment, value for money and other general parameters compared.
| Place in the ranking | not rated | 993 |
| Place by popularity | not in top-100 | not in top-100 |
| Cost-effectiveness evaluation | no data | 0.05 |
| Power efficiency | no data | 0.56 |
| Architecture | GCN 1.0 (2012−2020) | TeraScale (2005−2013) |
| GPU code name | Cape Verde | R600 |
| Market segment | Desktop | Desktop |
| Release date | 5 September 2013 (12 years ago) | 14 May 2007 (18 years ago) |
| Launch price (MSRP) | $109 | $399 |
Cost-effectiveness evaluation
The higher the ratio, the better. We use the manufacturer's recommended prices.
Performance to price scatter graph
Detailed specifications
General parameters such as number of shaders, GPU core base clock and boost clock speeds, manufacturing process, texturing and calculation speed. Note that power consumption of some graphics cards can well exceed their nominal TDP, especially when overclocked.
| Pipelines / CUDA cores | 512 | 320 |
| Core clock speed | 800 MHz | 743 MHz |
| Number of transistors | 1,500 million | 720 million |
| Manufacturing process technology | 28 nm | 80 nm |
| Power consumption (TDP) | 55 Watt | 215 Watt |
| Texture fill rate | 25.60 | 11.89 |
| Floating-point processing power | 0.8192 TFLOPS | 0.4755 TFLOPS |
| ROPs | 16 | 16 |
| TMUs | 32 | 16 |
| L1 Cache | 128 KB | no data |
| L2 Cache | 256 KB | 256 KB |
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 | PCIe 3.0 x16 | PCIe 1.0 x16 |
| Length | 168 mm | 241 mm |
| Width | 1-slot | 2-slot |
| Supplementary power connectors | None | 1x 6-pin + 1x 8-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 | GDDR5 | GDDR3 |
| Maximum RAM amount | 1 GB | 512 MB |
| Memory bus width | 128 Bit | 512 Bit |
| Memory clock speed | 1125 MHz | 828 MHz |
| Memory bandwidth | 72 GB/s | 106.0 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 | 1x DVI, 1x HDMI, 1x DisplayPort | 2x DVI, 1x S-Video |
| HDMI | + | - |
API and SDK support
List of supported 3D and general-purpose computing APIs, including their specific versions.
| DirectX | 12 (11_1) | 10.0 (10_0) |
| Shader Model | 5.1 | 4.0 |
| OpenGL | 4.6 | 3.3 |
| OpenCL | 1.2 | N/A |
| Vulkan | 1.2.131 | N/A |
Pros & cons summary
| Recency | 5 September 2013 | 14 May 2007 |
| Maximum RAM amount | 1 GB | 512 MB |
| Chip lithography | 28 nm | 80 nm |
| Power consumption (TDP) | 55 Watt | 215 Watt |
HD 8740 OEM has an age advantage of 6 years, a 100% higher maximum VRAM amount, a 185.7% more advanced lithography process, and 290.9% lower power consumption.
We couldn't decide between Radeon HD 8740 OEM and Radeon HD 2900 XT. We've got no test results to judge.
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