Radeon RX 6900 vs ATI HD 5870 Mac Edition
Contents
Primary details
GPU architecture, market segment, value for money and other general parameters compared.
| Place in the ranking | not rated | 35 |
| Place by popularity | not in top-100 | not in top-100 |
| Power efficiency | no data | 19.24 |
| Architecture | TeraScale 2 (2009−2015) | RDNA 2.0 (2020−2025) |
| GPU code name | Cypress | Navi 21 |
| Market segment | Desktop | Desktop |
| Release date | 30 June 2010 (15 years ago) | 28 October 2020 (5 years ago) |
| Launch price (MSRP) | $479 | no data |
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 | 1600 | 4608 |
| Core clock speed | 850 MHz | no data |
| Boost clock speed | no data | 2105 MHz |
| Number of transistors | 2,154 million | 23,000 million |
| Manufacturing process technology | 40 nm | 7 nm |
| Power consumption (TDP) | 228 Watt | 255 Watt |
| Texture fill rate | 68.00 | 606.2 |
| Floating-point processing power | 2.72 TFLOPS | 19.4 TFLOPS |
| ROPs | 32 | 64 |
| TMUs | 80 | 288 |
| L1 Cache | 160 KB | no data |
| L2 Cache | 512 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 | PCIe 2.0 x16 | PCIe 4.0 x16 |
| Length | 279 mm | no data |
| Width | 2-slot | 2-slot |
| Supplementary power connectors | 2x 6-pin | 2x 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 | GDDR6 |
| Maximum RAM amount | 1 GB | 16 GB |
| Memory bus width | 256 Bit | 256 Bit |
| Memory clock speed | 1195 MHz | 16 GB/s |
| Memory bandwidth | 153.0 GB/s | 512.0 GB/s |
| Resizable BAR | - | + |
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, 2x mini-DisplayPort | 1x HDMI, 2x DisplayPort, 1x USB Type-C |
| HDMI | - | + |
API and SDK support
List of supported 3D and general-purpose computing APIs, including their specific versions.
| DirectX | 11.2 (11_0) | 12 Ultimate (12_2) |
| Shader Model | 5.0 | 6.5 |
| OpenGL | 4.4 | 4.6 |
| OpenCL | 1.2 | 2.0 |
| Vulkan | N/A | 1.2 |
Pros & cons summary
| Recency | 30 June 2010 | 28 October 2020 |
| Maximum RAM amount | 1 GB | 16 GB |
| Chip lithography | 40 nm | 7 nm |
| Power consumption (TDP) | 228 Watt | 255 Watt |
ATI HD 5870 Mac Edition has 11.8% lower power consumption.
RX 6900, on the other hand, has an age advantage of 10 years, a 1500% higher maximum VRAM amount, and a 471.4% more advanced lithography process.
We couldn't decide between Radeon HD 5870 Mac Edition and Radeon RX 6900. We've got no test results to judge.
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