AMD Radeon HD 7970 vs Intel UHD Graphics 770

Table of Contents

Graphics Processor

GPU model Tahiti Alder Lake GT1
GPU variant Tahiti XT (215-0821060)
Architecture GCN 1.0 Generation 12.2
Foundry TSMC Intel
Manufacturing process 28 nm 10 nm
Number of transistors 4,313 million unknown
Die size 352 mm² unknown

Graphics Card

Release date Dec 22nd, 2011
Generation Southern Islands
Production End-of-life
Launch price 549 USD
Interface PCIe 3.0 x16
Reviews 191 in our database
gpu.details.availability Jan 9th, 2012
Predecessor Northern Islands
Successor Sea Islands

Clocks

GPU clock 925 MHz
Memory clock 1375 MHz 5.5 Gbps effective System Shared
Base clock 300 MHz
Boost clock 1450 MHz

Memory Configuration

Memory size 3 GB System Shared
Memory type GDDR5 System Shared
Memory bus width 384 bit System Shared
Bandwidth 264.0 GB/s System Dependent

Render Configuration

Shading units 2048 256
TMUs 128 16
ROPs 32 8
Compute units 32
Cache L1 16 KB (per CU)
Cache L2 768 KB
Execution units 32

Performance

Pixel rate 29.60 GPixel/s 11.60 GPixel/s
Texture rate 118.4 GTexel/s 23.20 GTexel/s
FP32 (float) performance 3.789 TFLOPS 742.4 GFLOPS
FP64 (double) performance 947.2 GFLOPS (1:4) 185.6 GFLOPS (1:4)
FP16 (half) performance 1,485 GFLOPS (2:1)

Dimensions & Outputs

Slot width Dual-slot IGP
Length 275 mm 10.8 inches
Width 111 mm 4.4 inches
Height 38 mm 1.5 inches
TDP 250 W 15 W
Suggested PSU 600 W
Outputs 1x DVI1x HDMI2x mini-DisplayPort No outputs
Power connectors 1x 6-pin + 1x 8-pin
Board number C386-37

API Support & Features

DirectX 12 (11_1) 12 (12_1)
OpenGL 4.6 4.6
OpenCL 1.2 3.0
Vulkan 1.2 1.2
Shader model 5.1 6.4

Other Features

Integrated Graphics

Release date Nov 4th, 2021
Generation HD Graphics (Alder Lake)
Production Active
Interface Ring Bus
Reviews 1 in our database

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