AMD Radeon HD 7970 X2 vs AMD Radeon Pro Vega 20

Table of Contents

Graphics Processor

GPU model New Zealand Vega 12
Architecture GCN 1.0 GCN 5.0
Foundry TSMC GlobalFoundries
Manufacturing process 28 nm 14 nm
Number of transistors 4,313 million unknown
Die size 352 mm² unknown
GPU variant Vega 12 XTA

Graphics Card

Release date Aug 31st, 2012
Generation Southern Islands
Production End-of-life
Launch price 899 USD
Interface PCIe 3.0 x16
Reviews 37 in our database
Predecessor Northern Islands
Successor Sea Islands

Clocks

GPU clock 925 MHz
Memory clock 1375 MHz 5.5 Gbps effective 740 MHz 1480 Mbps effective
Base clock 815 MHz
Boost clock 1283 MHz

Memory Configuration

Memory size 3 GB 4 GB
Memory type GDDR5 HBM2
Memory bus width 384 bit 1024 bit
Bandwidth 264.0 GB/s 189.4 GB/s

Render Configuration

Shading units 2048 1280
TMUs 128 80
ROPs 32 32
Compute units 32 20
Cache L1 16 KB (per CU) 16 KB (per CU)
Cache L2 768 KB 1024 KB

Performance

Pixel rate 29.60 GPixel/s 41.06 GPixel/s
Texture rate 118.4 GTexel/s 102.6 GTexel/s
FP32 (float) performance 3.789 TFLOPS 3.284 TFLOPS
FP64 (double) performance 947.2 GFLOPS (1:4) 205.3 GFLOPS (1:16)
FP16 (half) performance 6.569 TFLOPS (2:1)

Dimensions & Outputs

Slot width Triple-slot IGP
Length 308 mm 12.1 inches
Width 137 mm 5.4 inches
Height 62 mm 2.4 inches
TDP 500 W 100 W
Suggested PSU 900 W
Outputs 2x DVI1x HDMI2x mini-DisplayPort No outputs
Power connectors 3x 8-pin
Board number C386

API Support & Features

DirectX 12 (11_1) 12 (12_1)
OpenGL 4.6 4.6
OpenCL 1.2 2.1
Vulkan 1.2 1.2
Shader model 5.1 6.3

Other Features

Mobile graphics

Release date Nov 14th, 2018
Generation Radeon Pro Mac (Vega Series)
Production Active
Interface PCIe 3.0 x16

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