ATI Radeon HD 4770 vs R9 270
Aggregate performance score
We've compared Radeon R9 270 and Radeon HD 4770, covering specs and all relevant benchmarks.
R9 270 outperforms HD 4770 by a whopping 375% 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 | 477 | 908 |
| Place by popularity | not in top-100 | not in top-100 |
| Cost-effectiveness evaluation | 4.19 | 0.30 |
| Power efficiency | 5.24 | 2.07 |
| Architecture | GCN 1.0 (2012−2020) | TeraScale (2005−2013) |
| GPU code name | Curacao | RV740 |
| Market segment | Desktop | Desktop |
| Design | reference | no data |
| Release date | 13 November 2013 (11 years ago) | 28 April 2009 (16 years ago) |
| Launch price (MSRP) | $179 | $109 |
Cost-effectiveness evaluation
The higher the ratio, the better. We use the manufacturer's recommended prices.
R9 270 has 1297% better value for money than ATI HD 4770.
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 | 1280 | 640 |
| Core clock speed | no data | 750 MHz |
| Boost clock speed | 925 MHz | no data |
| Number of transistors | 2,800 million | 826 million |
| Manufacturing process technology | 28 nm | 40 nm |
| Power consumption (TDP) | 150 Watt | 80 Watt |
| Texture fill rate | 74.00 | 24.00 |
| Floating-point processing power | 2.368 TFLOPS | 0.96 TFLOPS |
| ROPs | 32 | 16 |
| TMUs | 80 | 32 |
| L1 Cache | 320 KB | 128 KB |
| L2 Cache | 512 KB | 128 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 | PCIe 3.0 | no data |
| Interface | PCIe 3.0 x16 | PCIe 2.0 x16 |
| Length | 210 mm | 203 mm |
| Width | 2-slot | 2-slot |
| Supplementary power connectors | 1 x 6-pin | 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 | GDDR5 | GDDR5 |
| Maximum RAM amount | 2 GB | 512 MB |
| Memory bus width | 256 Bit | 128 Bit |
| Memory clock speed | no data | 800 MHz |
| Memory bandwidth | 179.2 GB/s | 51.2 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 | 2x DVI, 1x HDMI, 1x DisplayPort | 2x DVI, 1x S-Video |
| Eyefinity | + | - |
| HDMI | + | - |
| DisplayPort support | + | - |
Supported technologies
Supported technological solutions. This information will prove useful if you need some particular technology for your purposes.
| CrossFire | + | - |
| FreeSync | + | - |
| HD3D | + | - |
| LiquidVR | + | - |
| TressFX | + | - |
| TrueAudio | + | - |
| UVD | + | - |
| DDMA audio | + | no data |
API and SDK support
List of supported 3D and general-purpose computing APIs, including their specific versions.
| DirectX | DirectX® 12 | 10.1 (10_1) |
| Shader Model | 5.1 | 4.1 |
| OpenGL | 4.6 | 3.3 |
| OpenCL | 1.2 | 1.1 |
| Vulkan | + | 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 | 9.74 | 2.05 |
| Recency | 13 November 2013 | 28 April 2009 |
| Maximum RAM amount | 2 GB | 512 MB |
| Chip lithography | 28 nm | 40 nm |
| Power consumption (TDP) | 150 Watt | 80 Watt |
R9 270 has a 375.1% higher aggregate performance score, an age advantage of 4 years, a 300% higher maximum VRAM amount, and a 42.9% more advanced lithography process.
ATI HD 4770, on the other hand, has 87.5% lower power consumption.
The Radeon R9 270 is our recommended choice as it beats the Radeon HD 4770 in performance tests.
Other comparisons
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