Intel Arc A770

Intel · Arc

Arc A770

Released October 2022

Intel's first-generation (Alchemist) flagship desktop graphics card, sold with 16 GB or 8 GB of GDDR6 and aimed at 1080p and 1440p gaming.

Memory
16 GB or 8 GB
Shaders
4,096
Boost clock
–
Bandwidth
560 GB/s or 512 GB/s
Power
225 W

What reviewers say

Reviewers assessing the 16 GB Limited Edition praise its build and DirectX 12/Vulkan performance, comparable to the RTX 3060, with strong ray tracing. Common concerns are older DirectX 11 performance, Resizable BAR requirements, power draw and driver reliability. KitGuru encountered crashes and erratic frame times.

From tomshardware.com, pcgamer.com and kitguru.net

Performance

Chip maker
Intel
Architecture
Xe HPG (Alchemist)
Shader cores
4,096
Architecture
32 Xe-cores in 8 render slices; 512 Xe Vector Engines; Intel lists a 2100 MHz graphics clock, not a boost-clock rating. Photo shows the 16 GB Limited Edition backplate; 8 GB partner coolers vary
Manufacturing process
TSMC N6
Ray tracing
32 ray tracing units
AI cores
512 Intel XMX engines; 262 TOPS INT8
Upscaling and frame generation
Intel XeSS

Memory

Video memory
16 GB GDDR6 or 8 GB GDDR6
Memory bus
256-bit
Memory bandwidth
560 GB/s or 512 GB/s
Memory detail
16 GB GDDR6 at 17.5 Gbps; also sold as an 8 GB version with 16 Gbps memory (512 GB/s)

Connections and power

Board power
225 W
Interface
PCIe 4.0 x16
Display outputs
DisplayPort 2.0 up to UHBR 10, HDMI 2.1, HDMI 2.0b; up to 4 displays
Maximum resolution
7680 × 4320 at 60 Hz over DisplayPort, 4096 × 2160 at 60 Hz over HDMI
Video encode and decode
2 multi-format codec engines; H.264, HEVC and AV1 encode and decode

Versions

VersionMemoryShadersBoost clockMemory busBandwidthBoard power
16 GB GDDR616 GB GDDR64,096–256-bit560 GB/s225 W
8 GB GDDR68 GB GDDR64,096–256-bit512 GB/s225 W

Pros and cons

Pros

  • 16 GB of GDDR6 on a 256-bit bus (560 GB/s)
  • 512 XMX engines for XeSS upscaling and AI work
  • AV1, HEVC and H.264 encode and decode

Cons

  • 225 W board power, more than the Arc B580's 190 W
  • HDMI output limited to 4096 × 2160 at 60 Hz

Closest rivals

Model
MemoryShadersBoost clockBandwidthPowerReleased
16 GB3,8402,430 MHz624 GB/s263 WSept 2023
8 GB or 16 GB4,3522,540 MHz288 GB/s160 W or 165 WMay 2023
12 GB3,4562,544 MHz432 GB/s245 WSept 2023

Sources

  1. intel.com/content/www/us/en/products/sku/229151/intel-arc-a770-graphics-16gb/sp…
  2. intel.com/content/www/us/en/products/sku/227955/intel-arc-a770-graphics-8gb/spe…
  3. intel.com/content/www/us/en/docs/oneapi/optimization-guide-gpu/2024-1/xe-arch.h…
  4. game.intel.com/stories/intel-arc-graphics-a7series-perf-per-dollar

Photo: c1.neweggimages.com

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