AMD Radeon HD 7950 Monica BIOS 1 vs AMD Radeon Sky 900

Table of Contents

Graphics Processor

GPU model Tahiti Tahiti
GPU variant Tahiti PRO (215-0821056) Orthrus
Architecture GCN 1.0 GCN 1.0
Foundry TSMC TSMC
Manufacturing process 28 nm 28 nm
Number of transistors 4,313 million 4,313 million
Die size 352 mm² 352 mm²

Graphics Card

Release date Jan 31st, 2012 Mar 27th, 2013
Generation Southern Islands Radeon Sky
Production End-of-life End-of-life
Interface PCIe 3.0 x16 PCIe 3.0 x16
Reviews 118 in our database
Predecessor Northern Islands
Successor Sea Islands

Clocks

GPU clock 925 MHz
Memory clock 1250 MHz 5 Gbps effective 1250 MHz 5 Gbps effective
Base clock 825 MHz
Boost clock 950 MHz

Memory Configuration

Memory size 3 GB 3 GB
Memory type GDDR5 GDDR5
Memory bus width 384 bit 384 bit
Bandwidth 240.0 GB/s 240.0 GB/s

Render Configuration

Shading units 1536 1792
TMUs 96 112
ROPs 32 32
Compute units 24 28
Cache L1 16 KB (per CU) 16 KB (per CU)
Cache L2 768 KB 768 KB

Performance

Pixel rate 29.60 GPixel/s 30.40 GPixel/s
Texture rate 88.80 GTexel/s 106.4 GTexel/s
FP32 (float) performance 2.842 TFLOPS 3.405 TFLOPS
FP64 (double) performance 710.4 GFLOPS (1:4) 851.2 GFLOPS (1:4)

Dimensions & Outputs

Slot width Dual-slot Dual-slot
Length 267 mm 10.5 inches 305 mm 12 inches
TDP 185 W 300 W
Suggested PSU 450 W 700 W
Outputs 1x DVI1x HDMI2x mini-DisplayPort 1x DVI1x mini-DisplayPort
Power connectors 1x 6-pin + 1x 8-pin 2x 8-pin
Board number C386 C476
Width 111 mm 4.4 inches

API Support & Features

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

Other Features

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