GIGABYTE HD 7770 OC 1 GB Rev. 2.0

GV-R777OC-1GD

Graphics Processor

Cape Verde

Cores

640

TMUs

ROPs

Memory Size

1024 MB

Memory Type

GDDR5

Bus Width

128 bit

GPU

Graphics Processor

GPU Name: Cape Verde

GPU Variant: Cape Verde XT
(215-0825117)

Architecture: GCN 1.0

Foundry: TSMC

Process Size: 28 nm

Transistors: 1,500 million

Density: 12.2M / mm²

Die Size: 123 mm²

Chip Package: FCBGA-962

Graphics Card

Release Date: ~~Feb 15th, 2012~~
Oct 1st, 2012

Generation: Southern Islands
(HD 7700)

Predecessor: Northern Islands

Successor: Sea Islands

Production: End-of-life

Bus Interface: PCIe 3.0 x16

Clock Speeds

GPU Clock: ~~1000 MHz~~
1050 MHz (+5%)

Memory Clock: 1125 MHz
4.5 Gbps effective

Memory

Memory Size: 1024 MB

Memory Type: GDDR5

Memory Bus: 128 bit

Bandwidth: 72.00 GB/s

Render Config

Shading Units: 640

TMUs: 40

ROPs: 16

Compute Units: 10

L1 Cache: 16 KB (per CU)

L2 Cache: 256 KB

Theoretical Performance

Pixel Rate: ~~16.00 GPixel/s~~
16.80 GPixel/s

Texture Rate: ~~40.00 GTexel/s~~
42.00 GTexel/s

FP32 (float): ~~1,280 GFLOPS~~
1,344 GFLOPS

FP64 (double): ~~80.00 GFLOPS~~
84.00 GFLOPS (1:16)

Board Design

Slot Width: Dual-slot

Length: ~~210 mm~~
212 mm
8.3 inches

TDP: 80 W

Suggested PSU: 250 W

Outputs: 1x DVI
1x HDMI 1.4a
2x mini-DisplayPort 1.2

Power Connectors: 1x 6-pin

Board Number: 109-C44157-00C,
C468

Graphics Features

DirectX: 12 (11_1)

OpenGL: 4.6

OpenCL: 2.1 (1.2)

Vulkan: 1.2.170

Shader Model: 6.5 (5.1)

Cape Verde GPU Notes

Generation: Southern Islands
Mobile Variant: Chelsea / Heathrow / Venus / Tropo
Graphics/Compute: GFX6 (gfx601)
Display Core Engine: 6.0
Unified Video Decoder: 4.0
Video Compression Engine: 1.0
CLRX: GCN 1.0

Latest Drivers:
Windows XP / 8:
Catalyst Software Suite 14.4

Windows Vista :
Catalyst Software Suite 13.12

Windows 7:
32-bit: Radeon Software: Adrenalin Edition 18.9.3
64-bit: AMD Software: Adrenalin Edition 22.6.1

Windows 8.1:
32-bit: Radeon Software: Crimson ReLive Edition 16.12.2 / 17.1.2
64-bit: Radeon Software: Crimson ReLive Edition 17.4.4 / 17.7.1

Windows 10:
32-bit: Radeon Software: Adrenalin Edition 18.9.3
64-bit: AMD Software: Adrenalin Edition 22.6.1

Other retail boards based on this design (51)

Name	GPU Clock	Memory Clock	Other Changes
AMD Radeon HD 7770 GHz Edition	1000 MHz	1125 MHz	211 mm/8.3 inches
ASUS HD 7770	1000 MHz	1125 MHz	190 mm/7.5 inches, 1x DVI 1x HDMI 1x DisplayPort
ASUS HD 7770 DirectCU	1020 MHz	1150 MHz	226 mm/8.9 inches, 1x DVI 1x HDMI 2x mini-DisplayPort
ASUS HD 7770 DirectCU OC V2	1070 MHz	1150 MHz	236 mm/9.3 inches
ASUS HD 7770 DirectCU TOP	1120 MHz	1150 MHz	236 mm/9.3 inches, 2x DVI 1x HDMI 1x DisplayPort
ASUS HD 7770 DirectCU V2	1020 MHz	1150 MHz	236 mm/9.3 inches, 2x DVI 1x HDMI 1x DisplayPort
ASUS HD 7770 Dual-Fan 2 GB	1020 MHz	1150 MHz	2 GB, 211 mm/8.3 inches, 2x DVI 1x HDMI 1x DisplayPort
Club 3D HD 7770 GHz Edition	1000 MHz	1125 MHz	211 mm/8.3 inches
Club 3D HD 7770 GHz Edition	1000 MHz	1125 MHz	175 mm/6.9 inches, Single-slot, 1x DVI 1x HDMI 1x VGA
Club 3D HD 7770 GHz Edition	1000 MHz	1125 MHz	175 mm/6.9 inches, 1x DVI 1x HDMI 1x DisplayPort
Dataland HD 7770 Dual Cool	1100 MHz	1125 MHz
Dataland HD 7770 Dual Cool 2 GB	1100 MHz	1125 MHz	2 GB
Dell HD 7770 GHz Edition 2 GB	1000 MHz	1125 MHz	2 GB, 1x DVI 1x HDMI 2x mini-DisplayPort
Diamond HD 7770 Double Black Diamond	1150 MHz	1250 MHz	224 mm/8.8 inches, 1x DVI 1x HDMI 2x mini-DisplayPort
Diamond HD 7770 GHz Edition	1000 MHz	1125 MHz	224 mm/8.8 inches, 1x DVI 1x HDMI 2x mini-DisplayPort
GIGABYTE HD 7770 GHz Edition	1000 MHz	1125 MHz	212 mm/8.3 inches
GIGABYTE HD 7770 OC 1 GB Rev. 1.0	1100 MHz	1250 MHz	212 mm/8.3 inches
GIGABYTE HD 7770 OC 1 GB Rev. 2.0	1050 MHz	1125 MHz	212 mm/8.3 inches, 1x DVI 1x HDMI 2x mini-DisplayPort
GIGABYTE HD 7770 OC 2 GB Rev. 2.0	1020 MHz	1125 MHz	2 GB, 212 mm/8.3 inches, 2x DVI 1x HDMI 1x VGA
HIS HD 7770 Blue IceQ X	1000 MHz	1125 MHz	232 mm/9.1 inches
HIS HD 7770 Blue IceQ X Turbo	1100 MHz	1200 MHz	232 mm/9.1 inches
HIS HD 7770 IceQ X	1000 MHz	1125 MHz	232 mm/9.1 inches
HIS HD 7770 IceQ X Turbo	1100 MHz	1200 MHz	232 mm/9.1 inches
HIS HD 7770 iCooler	1000 MHz	1125 MHz	212 mm/8.3 inches
HP HD 7770 GHz Edition 2 GB	1000 MHz	1125 MHz	2 GB, 1x DVI 1x HDMI 2x mini-DisplayPort
MSI HD 7770 GHz Edition	1000 MHz	1125 MHz	191 mm/7.5 inches, 1x DVI 1x HDMI 1x DisplayPort
MSI HD 7770 Power Edition	1100 MHz	1125 MHz	254 mm/10 inches, 1x DVI 1x HDMI 2x mini-DisplayPort
MSI HD 7770 Twin Fan OC	1020 MHz	1125 MHz	235 mm/9.3 inches
PowerColor HD 7770	1000 MHz	1125 MHz
PowerColor HD 7770 V2	1000 MHz	1125 MHz	170 mm/6.7 inches, Single-slot, 1x DVI 1x HDMI 1x DisplayPort
PowerColor PCS+ HD 7770	1150 MHz	1250 MHz	1x DVI 1x HDMI 2x mini-DisplayPort
PowerColor PCS+ HD 7770 Vortex II	1150 MHz	1250 MHz	2x DVI 1x HDMI 1x DisplayPort
Sapphire HD 7770 FleX	1000 MHz	1125 MHz	220 mm/8.7 inches, 2x DVI 1x HDMI 1x DisplayPort
Sapphire HD 7770 GHz Edition	1000 MHz	1125 MHz	184 mm/7.2 inches, 1x DVI 1x HDMI 1x DisplayPort
Sapphire HD 7770 OC	1150 MHz	1250 MHz	1x DVI 1x HDMI 2x mini-DisplayPort
Sapphire HD 7770 OC V2	1100 MHz	1250 MHz	184 mm/7.2 inches, 1x DVI 1x HDMI 1x DisplayPort
Sapphire HD 7770 Vapor-X Black Diamond	1150 MHz	1300 MHz	225 mm/8.9 inches, 2x DVI 1x HDMI 1x DisplayPort
Sapphire HD 7770 Vapor-X OC	1100 MHz	1300 MHz	225 mm/8.9 inches, 2x DVI 1x HDMI 1x DisplayPort
VisionTek HD 7770 GHz Edition	1000 MHz	1125 MHz	212 mm/8.3 inches, 1x DVI 1x HDMI 2x mini-DisplayPort
VTX3D HD 7770 Eyefinity 4 V2	1150 MHz	1250 MHz	1x DVI 1x HDMI 2x mini-DisplayPort
VTX3D HD 7770 X-Edition	1150 MHz	1250 MHz	1x DVI 1x HDMI 2x mini-DisplayPort
VTX3D HD 7770 X-Edition	1150 MHz	1250 MHz	1x DVI 1x HDMI 2x mini-DisplayPort
VTX3D HD 7770 X-Edition V3	1100 MHz	1250 MHz	2x DVI 1x HDMI 1x DisplayPort
XFX Double D HD 7770	1000 MHz	1125 MHz	224 mm/8.8 inches, 2x DVI 1x HDMI 1x DisplayPort
XFX Double D HD 7770 Black Edition	1095 MHz	1245 MHz	224 mm/8.8 inches, 2x DVI 1x HDMI 1x DisplayPort
XFX FX 7770 Monster	1100 MHz	1250 MHz	2x DVI 1x HDMI 1x DisplayPort
XFX HD 7770	1000 MHz	1125 MHz	224 mm/8.8 inches, 2x DVI 1x HDMI 1x DisplayPort
XFX HD 7770	1000 MHz	1125 MHz	168 mm/6.6 inches, 2x DVI 1x HDMI 1x DisplayPort
XFX HD 7770 Super Overclock	1120 MHz	1300 MHz	224 mm/8.8 inches
XFX HD 7770 Ultra Overclock	1095 MHz	1245 MHz	224 mm/8.8 inches, 2x DVI 1x HDMI 1x DisplayPort
Zalman HD 7770 VF1000	1000 MHz	1125 MHz	212 mm/8.3 inches