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Club 3D HD 7950 royalKing

CGAX-7957O
Graphics Processor
Tahiti
Cores
1792
TMUs
112
ROPs
32
Memory Size
3 GB
Memory Type
GDDR5
Bus Width
384 bit

Graphics Processor

GPU Name
Tahiti
GPU Variant
Tahiti PRO
(215-0821056)
Architecture
GCN 1.0
Foundry
TSMC
Process Size
28 nm
Transistors
4,313 million
Die Size
352 mm²

Graphics Card

Release Date
Jan 31st, 2012
Generation
Southern Islands
(HD 7900)
Production
End-of-life
Bus Interface
PCIe 3.0 x16

Clock Speeds

GPU Clock
800 MHz
850 MHz (+6%)
Memory Clock
1250 MHz
5000 MHz effective

Memory

Memory Size
3 GB
Memory Type
GDDR5
Memory Bus
384 bit
Bandwidth
240.0 GB/s

Render Config

Shading Units
1792
TMUs
112
ROPs
32
Compute Units
28
L1 Cache
16 KB (per CU)
L2 Cache
768 KB

Theoretical Performance

Pixel Rate
25.60 GPixel/s
27.20 GPixel/s
Texture Rate
89.60 GTexel/s
95.20 GTexel/s
FP32 (float) performance
2.867 TFLOPS
3.046 TFLOPS
FP64 (double) performance
716.8 GFLOPS
761.6 GFLOPS (1:4)

Board Design

Slot Width
Dual-slot
Length
10.5 inches
10.55 inches
267 mm
268 mm
TDP
200 W
Suggested PSU
350 W
Outputs
1x DVI
1x HDMI
2x mini-DisplayPort

2x DVI
1x HDMI
2x mini-DisplayPort
Power Connectors
2x 6-pin
Board Number
C386-37

Graphics Features

DirectX
12.0 (11_1)
OpenGL
4.6
OpenCL
1.2
Vulkan
1.1.101
Shader Model
5.1

Tahiti GPU Notes

Architecture Codename: Southern Islands
CLRX Version: GCN 1.0
Graphics/Compute: GFX6 (gfx600)
Display Core Engine: 6.0
Unified Video Decoder: 3.2
Video Compression Engine: 1.0

Exact Transistor Count: 4,312,711,873

Other retail boards based on this design (35)

Name GPU Clock Memory Clock Other Changes
ASUS HD 7950 800 MHz 1250 MHz 10.6 inches/269 mm
ASUS HD 7950 DirectCU II 800 MHz 1250 MHz 11.8 inches/300 mm, Triple-slot
ASUS HD 7950 DirectCU II TOP 900 MHz 1250 MHz 11.8 inches/300 mm, Triple-slot
ASUS HD 7950 DirectCU II TOP V2 900 MHz 1250 MHz 11 inches/279 mm, Triple-slot, 2x DVI 1x HDMI 1x DisplayPort
ASUS HD 7950 DirectCU II V2 800 MHz 1250 MHz 11 inches/279 mm, Triple-slot, 2x DVI 1x HDMI 1x DisplayPort
Club 3D HD 7950 800 MHz 1250 MHz 10.35 inches/263 mm
Club 3D HD 7950 royalKing 850 MHz 1250 MHz 10.55 inches/268 mm, 2x DVI 1x HDMI 2x mini-DisplayPort
Club 3D HD 7950 royalQueen 800 MHz 1250 MHz 10.55 inches/268 mm, 2x DVI 1x HDMI 2x mini-DisplayPort
GIGABYTE HD 7950 WindForce 3X OC 900 MHz 1250 MHz 11.22 inches/285 mm
GIGABYTE HD 7950 WindForce 3X OC FZ0 1000 MHz 1250 MHz 11.22 inches/285 mm
HIS HD 7950 Fan 800 MHz 1250 MHz
HIS HD 7950 IceQ 800 MHz 1250 MHz 11.6 inches/295 mm
HIS HD 7950 IceQ Turbo 900 MHz 1250 MHz 11.6 inches/295 mm
HP HD 7950 800 MHz 1250 MHz 11.5 inches/292 mm
Lantic HD 7950 800 MHz 1250 MHz 2x DVI 1x HDMI 2x mini-DisplayPort
MSI HD 7950 Boost 800 MHz 1250 MHz
MSI HD 7950 Boost OC 830 MHz 1250 MHz
MSI HD 7950 OC 830 MHz 1250 MHz 10.63 inches/270 mm
MSI HD 7950 Twin Frozr III 800 MHz 1250 MHz 10.276 inches/261 mm
MSI HD 7950 Twin Frozr III OC 880 MHz 1250 MHz 10.276 inches/261 mm
PowerColor HD 7950 V2 800 MHz 1250 MHz 10.43 inches/265 mm, 2x DVI 1x HDMI 2x mini-DisplayPort
PowerColor PCS+ HD 7950 880 MHz 1250 MHz 10.83 inches/275 mm
Sapphire HD 7950 810 MHz 1250 MHz 10.43 inches/265 mm, 1x DVI 1x HDMI 2x mini-DisplayPort
Sapphire HD 7950 FleX 860 MHz 1250 MHz 11.42 inches/290 mm, 2x DVI 1x HDMI 2x mini-DisplayPort
Sapphire HD 7950 OC 900 MHz 1250 MHz 10.83 inches/275 mm
Sapphire HD 7950 OC 950MHz Edition 950 MHz 1250 MHz 11.02 inches/280 mm
Sapphire HD 7950 Vapor-X OC 950 MHz 1250 MHz 11.02 inches/280 mm
VisionTek HD 7950 800 MHz 1250 MHz
VTX3D HD 7950 X-Edition V2 880 MHz 1250 MHz
XFX Double D HD 7950 800 MHz 1250 MHz 10.8 inches/274 mm, 2x DVI 1x HDMI 2x mini-DisplayPort
XFX Double D HD 7950 800 MHz 1250 MHz
XFX Double D HD 7950 Black Edition 900 MHz 1375 MHz
XFX HD 7950 800 MHz 1250 MHz
XFX HD 7950 Black Edition 900 MHz 1375 MHz
Zalman HD 7950 VF3000 800 MHz 1250 MHz