AMD Radeon HD 7870 (GHz Edition) vs Intel Arc A770

The Intel Arc A770 is a desktop graphics card that launched in Q4 2022 with a MSRP of $329. It is built on the Generation 12.7 GPU microarchitecture (codename DG2-512) and is manufactured on a 6 nm process.

Memory

The Arc A770 has 16 GB of GDDR6 memory, with a 2,000 MHz memory clock and a 256 bit interface. This gives it a memory bandwidth of 512 Gb/s, which affects how fast it can transfer data to and from memory. GPU memory stores temporary data that helps the GPU with complex math and graphics operations. More memory is generally better, as not having enough can cause performance bottlenecks.

Cores and Clock Speeds

The Arc A770 includes 4,096 shading units, the processing units for handling parallel computing tasks. The GPU operates at a core clock speed of 2,100 MHz and can dynamically boost its clock speed up to 2,400 MHz. Complementing the processing units are 256 texture mapping units (TMUs) for efficient texture filtering and 128 render output units (ROPs) for pixel processing. Additionally, the GPU features 512 Xe Matrix Extensions (XMX) optimized for AI workloads and 32 ray tracing units dedicated to real-time ray tracing calculations.

Compatibility & Power Consumption

The Arc A770 occupies 2 PCIe expansion slots. It supports HDMI 2.1, DisplayPort 2.0 display connections. Intel recommends a power supply of at least 550 W to handle the GPU's thermal design power (TDP) of 225 W.

Benchmark Performance & Value

The Arc A770 has the 36th best 3DMark 11 Performance GPU score among the 543 benchmarked GPUs in our database. It achieves 39.49% of the performance of the best benchmarked GPU, the NVIDIA GeForce RTX 4090. Its 41,303 score and $329 launch price (MSRP) gives it a performance per dollar of 125.54. This is the 6th best in value for the 3DMark 11 Performance GPU benchmark.