Description
Sapphire HD 7850 Dual-X 1 GB
Graphics Processor
Pitcairn
Cores
1024
TMUs
64
ROPs
32
Memory Size
1024 MB
Memory Type
GDDR5
Bus Width
256 bit
GPU
Graphics Processor
GPU Name
Pitcairn
GPU Variant
Pitcairn PRO
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Architecture
GCN 1.0
Foundry
TSMC
Process Size
28 nm
Transistors
2,800 million
Density
13.2M / mm²
Die Size
212 mm²
Chip Package
FCBGA-1737
Graphics Card
Release Date
Mar 5th, 2012
Generation
Southern Islands
(HD 7800)
Predecessor
Northern Islands
Successor
Sea Islands
Production
End-of-life
Bus Interface
PCIe 3.0 x16
Clock Speeds
GPU Clock
860 MHz
Memory Clock
1200 MHz
4.8 Gbps effective
Memory
Memory Size
2 GB
1024 MB
Memory Type
GDDR5
Memory Bus
256 bit
Bandwidth
153.6 GB/s
Render Config
Shading Units
1024
TMUs
64
ROPs
32
Compute Units
16
L1 Cache
16 KB (per CU)
L2 Cache
512 KB
Theoretical Performance
Pixel Rate
27.52 GPixel/s
Texture Rate
55.04 GTexel/s
FP32 (float)
1.761 TFLOPS
FP64 (double)
110.1 GFLOPS (1:16)
Board Design
Slot Width
Dual-slot
Length
210 mm
207 mm
8.3 inches
8.1 inches
TDP
130 W
Suggested PSU
300 W
Outputs
1x DVI
1x HDMI 1.4a
2x mini-DisplayPort 1.2
2x DVI
1x HDMI 1.4a
1x DisplayPort 1.2
Power Connectors
1x 6-pin
Board Number
109-C40147-00,
109-C40337-00A
Graphics Features
DirectX
12 (11_1)
OpenGL
4.6
OpenCL
2.1 (1.2)
Vulkan
1.2.170
Shader Model
6.5 (5.1)
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