AMD Tahiti Graphics Processing Unit (GPU)

Overview
Manufacturer
AMD
Series
Radeon HD 7000
Release Date
June 22nd, 2012
Board Model
AMD C386
Graphics Processing Unit
GPU Model
Tahiti XT2 (Tahiti)
Architecture
Graphics Core Next 1.0
Fabrication Process
28 nm
Die Size
352 mm2
Transistors Count
4.3B
Transistors Density
12.3M TRAN/mm2
Stream Processors
2048
Compute Units
128
Shader Engines
32
TMUs
128
ROPs
32
Clocks
Base Clock
1000 MHz
Boost Clock
1050 MHz
Memory Clock
1500 MHz
Effective Memory Clock
6000 Mbps
Memory Configuration
Memory Size
3072 MB
Memory Type
GDDR5
Memory Bus Width
384-bit
Memory Bandwidth
288.0 GB/s
Physical
Interface
PCI-Express 3.0 x16
Power Connectors
1 × 6-pin, 1 × 8-pin
Power Design
5+1+1
Thermal Design Power
250 W
Recommended PSU
500 W
CrossFire Support
4-way
Display Outputs
DVI-D DualLink
1 ×
miniDisplayPort
2 ×
HDMI
1 ×
API Support
DirectX
11.2
Mantle
1.0
Vulkan
-
OpenGL
4.4
OpenCL
1.2
Shader Model
5.0

Performance
Pixel Fillrate
32 GPixels/s
Texture Fillrate
128 GTexel/s
SPFP Performance
4.1 TFLOPS
Performance per W
16.4 GFLOPS/W
Performance per mm2
11.6 GFLOPS/mm2


 ModelGPUClocksMemory
AMD Radeon HD 7970 Tahiti XT 925 / 1375 MHz 3 GB GDDR5
AMD Radeon HD 7970 GHz Edition Tahiti XT2 1000 / 1500 MHz 3 GB GDDR5
AMD Radeon HD 7990 Tahiti XT2 950 / 1500 MHz 3 GB GDDR5
AMD Radeon HD 8970 Tahiti XT2 1000 / 1500 MHz 3 GB GDDR5
AMD Radeon HD 8990 Tahiti XT2 950 / 1500 MHz 3 GB GDDR5
AMD Radeon R9 280X Tahiti XTL 850 / 1500 MHz 3 GB GDDR5
AMD Radeon HD 7950 Tahiti PRO 800 / 1250 MHz 3 GB GDDR5
AMD Radeon HD 7950 Boost Tahiti PRO 850 / 1250 MHz 3 GB GDDR5
AMD Radeon HD 8950 Tahiti PRO 850 / 1250 MHz 3 GB GDDR5
AMD Radeon R9 280 Tahiti PRO 850 / 1500 MHz 3 GB GDDR5
AMD Radeon Sky 700 Tahiti PRO 900 / 1250 MHz 6 GB GDDR5
AMD Radeon Sky 900 Tahiti PRO 825 / 1250 MHz 3 GB GDDR5
AMD Radeon HD 7870 XT Tahiti LE 925 / 1500 MHz 2 GB GDDR5
AMD Radeon HD 7950 (V)
1792 Cores
Tahiti 800 / 1250 MHz 3 GB GDDR5