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Sapphire HD 7950 FleX OC Boost

100352FLEX-2
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 PRO2
(215-0821282)
Architecture
GCN 1.0
Foundry
TSMC
Process Size
28 nm
Transistors
4,313 million
Die Size
352 mm²

Graphics Card

Release Date
Jun 22nd, 2012
Jul 6th, 2012
Generation
Southern Islands
(HD 7900)
Production
End-of-life
Bus Interface
PCIe 3.0 x16

Clock Speeds

Base Clock
850 MHz
860 MHz (+1%)
Boost Clock
925 MHz
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
29.60 GPixel/s
Texture Rate
103.6 GTexel/s
FP32 (float) performance
3.315 TFLOPS
FP64 (double) performance
828.8 GFLOPS (1:4)

Board Design

Slot Width
Dual-slot
Length
275 mm
290 mm
10.8 inches
11.4 inches
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

Graphics Features

DirectX
12 (11_1)
OpenGL
4.6
OpenCL
1.2
Vulkan
1.2.131
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 (17)

Name GPU Clock Boost Clock Memory Clock Other Changes
Club 3D HD 7950 '13Series 880 MHz 930 MHz 1250 MHz 268 mm/10.6 inches
Club 3D HD 7950 royalKing 880 MHz 930 MHz 1250 MHz 268 mm/10.6 inches, 2x DVI 1x HDMI 2x mini-DisplayPort
Club 3D HD 7950 royalQueen 850 MHz 925 MHz 1250 MHz 268 mm/10.6 inches, 2x DVI 1x HDMI 2x mini-DisplayPort
Dataland HD 7950 850 MHz 925 MHz 1250 MHz
HIS HD 7950 Boost 850 MHz 925 MHz 1250 MHz
HIS HD 7950 IceQ Boost Clock 850 MHz 925 MHz 1250 MHz 295 mm/11.6 inches
HIS HD 7950 IceQ X² Boost Clock 850 MHz 950 MHz 1250 MHz 311 mm/12.2 inches
MSI HD 7950 Twin Frozr III Boost OC 880 MHz 960 MHz 1250 MHz 261 mm/10.3 inches
PowerColor HD 7950 Boost State V4 850 MHz 925 MHz 1250 MHz
PowerColor HD 7950 Boost State V5 850 MHz 925 MHz 1250 MHz 267 mm/10.5 inches, 2x DVI 1x HDMI 2x DisplayPort
PowerColor PCS+ HD 7950 Boost State V3 900 MHz 925 MHz 1250 MHz
Sapphire HD 7950 Boost 850 MHz 925 MHz 1250 MHz 292 mm/11.5 inches
Sapphire HD 7950 Dual-X Platinum Edition 850 MHz 925 MHz 1250 MHz
Sapphire HD 7950 Dual-X with Boost 850 MHz 925 MHz 1250 MHz 270 mm/10.6 inches, 2x DVI 1x HDMI 1x DisplayPort
Sapphire HD 7950 FleX OC Boost 860 MHz 925 MHz 1250 MHz 290 mm/11.4 inches, 2x DVI 1x HDMI 2x mini-DisplayPort
Sapphire HD 7950 Vapor-X OC Boost 850 MHz 950 MHz 1250 MHz 2x DVI 1x HDMI 1x DisplayPort
VTX3D HD 7950 X-Edition Boost 880 MHz 930 MHz 1250 MHz