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Sapphire ATOMIC R9 280X2

  • 11223-00-40G
Graphics Processor
Tahiti x2
Cores
2048 x2
TMUs
128 x2
ROPs
32 x2
Memory Size
3 GB x2
Memory Type
GDDR5
Bus Width
384 bit x2
GPU Chip
GPU
I/O
I/O
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Graphics Processor

GPU Name
Tahiti
GPU Variant
Tahiti XTL
(215-0821065)
Architecture
GCN 1.0
Foundry
TSMC
Process Size
28 nm
Transistors
4,313 million
Die Size
352 mm²

Graphics Card

Release Date
Unknown
Generation
Volcanic Islands
(R9 200)
Predecessor
Sea Islands
Successor
Pirate Islands
Production
End-of-life
Bus Interface
PCIe 3.0 x16

Clock Speeds

Base Clock
950 MHz
1000 MHz (+5%)
Boost Clock
1000 MHz
1100 MHz (+10%)
Memory Clock
1500 MHz
1600 MHz (+7%)
6 Gbps effective
6.4 Gbps effective

Memory

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

Render Config

Shading Units
2048
TMUs
128
ROPs
32
Compute Units
32
L1 Cache
16 KB (per CU)
L2 Cache
768 KB

Theoretical Performance

Pixel Rate
32.00 GPixel/s
35.20 GPixel/s
Texture Rate
128.0 GTexel/s
140.8 GTexel/s
FP32 (float) performance
4.096 TFLOPS
4.506 TFLOPS
FP64 (double) performance
1,024 GFLOPS
1,126 GFLOPS (1:4)

Board Design

Slot Width
Dual-slot
TDP
375 W
Suggested PSU
750 W
Outputs
6x mini-DisplayPort
Power Connectors
3x 8-pin
Board Number
C386

Graphics Features

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

Card Notes

Rebranded HD 7990

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 (1)

Name GPU Clock Boost Clock Memory Clock Other Changes
Sapphire ATOMIC R9 280X2 1000 MHz 1100 MHz 1600 MHz