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GPU
Sapphire

Sapphire HD 7770 GHz Edition

Graphics processor

Memory bus
128 bit*
Rated memory bandwidth
72 GB/s*

No matched benchmark results are available for this entry yet.

Processing & platform

Architecture
GCN 1.0*
Process node
28 nm*
GPU cores
640*
Graphics interface
PCIe 3.0 x16*
Video memory
1,024 MB*
Reported chip die area
123 mm²*
Transistors
1,500 million*
Graphics processor
Cape*
Texture mapping units
40*
Raster output units
16*
Chip foundry
TSMC*
Card or module format
Dual-slot*
Declared GPU TDP
80 W*
Suggested system PSU
250 W*
External power connectors
1x 6-pin*
DirectX / feature level
12 (11_1)*
OpenGL
4.6*
OpenCL
2.1 (1.2)*
Vulkan
1.2.170*
Shader model
6.5 (5.1)*
GPU L2 cache
256 KB*

Memory & storage

Memory options
1,024*
Video memory type
GDDR5*
Memory bus
128 bit*
Rated memory bandwidth
72 GB/s*

Power specifications

Thermal design power
80 W*

System configuration

Detailed specifications

Specifications 1 · 14 fields
Name
Sapphire HD 7770 GHz Edition*
6-Pin Connectors
1*
HDMI
1*
DisplayPort
1*
DVI
1*
VGA
0*
Boost Clock
1,000* MHz
Vram
1* GB
Memory Clock
4,500* MHz
TDP
80* W
Producer
Sapphire*
Length
184* mm
Slots
2*
8-Pin Connectors
0*
Specifications 2 · 23 fields
proc transistors
1,500 million*
proc die size
123* mm²
cores
640*
memory clock
1,125*
ram
1,024*
name
Sapphire HD 7770 GHz Edition*
ram type
GDDR5*
bus width
128*
bus interface
PCIe 3.0 x16*
ram bandwidth
72* GB/s
fp32 performance
1.28*
fp64 performance
0.08*
tdp
80* W
suggested psu
250* W
slot width
Dual-slot*
power connectors
1x 6-pin*
is retail board
Yes*
gpi value
3.01*
manufacturer
SAPPHIRE*
arch name
GCN 1.0*
card release date
2012-11-02*
proc foundry
TSMC*
proc process size
28* nm
Specifications 3 · 35 fields
DirectX / feature level
12 (11_1)*
OpenCL
2.1 (1.2)*
OpenGL
4.6*
Shader model
6.5 (5.1)*
Vulkan
1.2.170*
Architecture
GCN 1.0*
Graphics interface
PCIe 3.0 x16*
Memory bus
128* bit
Reported shader processors
640*
Reported theoretical FP32 peak
1.28* TFLOPS
Scope and conditions
Arithmetic density
Not stated*
Reported theoretical FP64 peak
0.08* TFLOPS
Scope and conditions
Arithmetic density
Not stated*
Declared L1 cache configuration
16 KB (per CU)*
Declared GPU L2 cache
256 KB*
Reported display outputs
Active
1x DVI, 1x HDMI 1.4a, 1x DisplayPort 1.2*
Struck-out declarations
  • 1x DVI, 1x HDMI 1.4a, 2x mini-DisplayPort 1.2*
Theoretical pixel fill rate
16.00 GPixel/s*
External power connectors
1x 6-pin*
Reported chip die area
123 mm²*
Chip foundry
TSMC*
Process node declaration
28 nm*
Transistors
1,500 million*
Graphics processor
Cape*
Reported video memory
1,024* MB
Rated memory bandwidth
72.00 GB/s*
Video memory type
GDDR5*
Raster output units
16*
Reported shading units
640*
Card or module format
Dual-slot*
Suggested system PSU
250 W*
2:4 tensor sparsity
No*
Declared GPU TDP
80 W*
Theoretical texture fill rate
40.00 GTexel/s*
Texture mapping units
40*
GPU cores
640*
Video memory
1,024* MB
Video memory type
GDDR5*

* Provisional data