Radeon HD 7990 vs GeForce GTX TITAN X
Aggregate performance score
We've compared GeForce GTX TITAN X and Radeon HD 7990, covering specs and all relevant benchmarks.
TITAN X outperforms HD 7990 by a whopping 124% 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 | 224 | 432 |
| Place by popularity | not in top-100 | not in top-100 |
| Cost-effectiveness evaluation | 6.63 | 1.32 |
| Power efficiency | 9.29 | 2.76 |
| Architecture | Maxwell 2.0 (2014−2019) | GCN 1.0 (2012−2020) |
| GPU code name | GM200 | Malta |
| Market segment | Desktop | Desktop |
| Release date | 17 March 2015 (11 years ago) | 24 April 2013 (13 years ago) |
| Launch price (MSRP) | $999 | $999 |
Cost-effectiveness evaluation
The higher the ratio, the better. We use the manufacturer's recommended prices.
GTX TITAN X has 402% better value for money than HD 7990.
Performance to price scatter graph
Currently popular graphics cards are shown for comparison.
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 | 3072 | 2048 ×2 |
| Core clock speed | 1000 MHz | 950 MHz |
| Boost clock speed | 1075 MHz | 1000 MHz |
| Number of transistors | 8,000 million | 4,313 million |
| Manufacturing process technology | 28 nm | 28 nm |
| Power consumption (TDP) | 250 Watt | 375 Watt |
| Texture fill rate | 209.1 | 128.0 ×2 |
| Floating-point processing power | 6.691 TFLOPS | 4.096 TFLOPS ×2 |
| ROPs | 96 | 32 ×2 |
| TMUs | 192 | 128 ×2 |
| L1 Cache | 1.1 MB | 512 KB |
| L2 Cache | 3 MB | 768 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).
| Bus support | PCI Express 3.0 | no data |
| Interface | PCIe 3.0 x16 | PCIe 3.0 x16 |
| Length | 267 mm | 307 mm |
| Height | 4.376" (11.1 cm) | no data |
| Width | 2-slot | 2-slot |
| Recommended system power (PSU) | 600 Watt | no data |
| Supplementary power connectors | 1x 6-pin + 1x 8-pin | 2x 8-pin |
| SLI options | 4x | - |
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 | GDDR5 |
| Maximum RAM amount | 12 GB | 3 GB ×2 |
| Memory bus width | 384 Bit | 384 Bit ×2 |
| Memory clock speed | 7.0 GB/s | 1500 MHz |
| Memory bandwidth | 336.5 GB/s | 288.0 GB/s ×2 |
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 | Dual Link DVI-I, HDMI 2.0, 3x DisplayPort 1.2 | 1x DVI, 4x mini-DisplayPort |
| Multi monitor support | 4 displays | no data |
| HDMI | + | - |
| HDCP | + | - |
| Maximum VGA resolution | 2048x1536 | no data |
| Audio input for HDMI | Internal | no data |
Supported technologies
Supported technological solutions. This information will prove useful if you need some particular technology for your purposes.
| GameStream | + | - |
| GeForce ShadowPlay | + | - |
| GPU Boost | 2.0 | no data |
| GameWorks | + | - |
API and SDK support
List of supported 3D and general-purpose computing APIs, including their specific versions.
| DirectX | 12 (12_1) | 12 (11_1) |
| Shader Model | 6.4 | 5.1 |
| OpenGL | 4.5 | 4.6 |
| OpenCL | 1.2 | 1.2 |
| Vulkan | 1.1.126 | 1.2.131 |
| CUDA | 5.2 | - |
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 | 29.79 | 13.27 |
| Recency | 17 March 2015 | 24 April 2013 |
| Maximum RAM amount | 12 GB | 3 GB |
| Power consumption (TDP) | 250 Watt | 375 Watt |
GTX TITAN X has a 124% higher aggregate performance score, an age advantage of 1 year, a 300% higher maximum VRAM amount, and 33% lower power consumption.
The GeForce GTX TITAN X is our recommended choice as it beats the Radeon HD 7990 in performance tests.
Other comparisons
We selected several comparisons of graphics cards with performance close to those reviewed, providing you with more options to consider.
