AMD Radeon HD 7970 vs ATI Radeon HD 5770

Table of Contents

Graphics Processor

GPU model Tahiti Juniper
GPU variant Tahiti XT (215-0821060) Juniper XT (215-0754013)
Architecture GCN 1.0 TeraScale 2
Foundry TSMC TSMC
Manufacturing process 28 nm 40 nm
Number of transistors 4,313 million 1,040 million
Die size 352 mm² 166 mm²

Graphics Card

Release date Dec 22nd, 2011 Oct 13th, 2009
Generation Southern Islands Evergreen
Production End-of-life End-of-life
Launch price 549 USD 159 USD
Interface PCIe 3.0 x16 PCIe 2.0 x16
Reviews 191 in our database 142 in our database
gpu.details.availability Jan 9th, 2012
Predecessor Northern Islands Radeon R700
Successor Sea Islands Northern Islands

Clocks

GPU clock 925 MHz 850 MHz
Memory clock 1375 MHz 5.5 Gbps effective 1200 MHz 4.8 Gbps effective

Memory Configuration

Memory size 3 GB 1024 MB
Memory type GDDR5 GDDR5
Memory bus width 384 bit 128 bit
Bandwidth 264.0 GB/s 76.80 GB/s

Render Configuration

Shading units 2048 800
TMUs 128 40
ROPs 32 16
Compute units 32 10
Cache L1 16 KB (per CU) 8 KB (per CU)
Cache L2 768 KB 256 KB

Performance

Pixel rate 29.60 GPixel/s 13.60 GPixel/s
Texture rate 118.4 GTexel/s 34.00 GTexel/s
FP32 (float) performance 3.789 TFLOPS 1,360 GFLOPS
FP64 (double) performance 947.2 GFLOPS (1:4)

Dimensions & Outputs

Slot width Dual-slot Dual-slot
Length 275 mm 10.8 inches 208 mm 8.2 inches
Width 111 mm 4.4 inches
Height 38 mm 1.5 inches
TDP 250 W 108 W
Suggested PSU 600 W 300 W
Outputs 1x DVI1x HDMI2x mini-DisplayPort 2x DVI1x HDMI1x DisplayPort
Power connectors 1x 6-pin + 1x 8-pin 1x 6-pin
Board number C386-37 C010

API Support & Features

DirectX 12 (11_1) 11.2 (11_0)
OpenGL 4.6 4.4
OpenCL 1.2 1.2
Vulkan 1.2
Shader model 5.1 5.0

Other Features

Compare

Sysrqmts browser extension icon
Stop overpaying for PC games!
See cheapest prices in Steam store with our browser extension.