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AMD Radeon HD 7770 GHz Edition

Cape Verde
Graphics Processor
640
Cores
40
TMUs
16
ROPs
1024 MB
Memory Size
GDDR5
Memory Type
128 bit
Bus Width
AMD Radeon HD 7770 GHz Edition Photo AMD Cape Verde Photo
The Radeon HD 7770 GHz Edition was a mid-range graphics card by AMD, launched in February 2012. Built on the 28 nm process, and based on the Cape Verde graphics processor, in its Cape Verde XT variant, the card supports DirectX 12.0. The Cape Verde graphics processor is an average sized chip with a die area of 123 mm² and 1,500 million transistors. It features 640 shading units, 40 texture mapping units and 16 ROPs. AMD has placed 1,024 MB GDDR5 memory on the card, which are connected using a 128-bit memory interface. The GPU is operating at a frequency of 1000 MHz, memory is running at 1125 MHz.
Being a dual-slot card, the AMD Radeon HD 7770 GHz Edition draws power from 1x 6-pin power connectors, with power draw rated at 80 W maximum. Display outputs include: 1x DVI, 1x HDMI, 2x mini-DisplayPort. Radeon HD 7770 GHz Edition is connected to the rest of the system using a PCI-Express 3.0 x16 interface. The card measures 210 mm in length, and features a dual-slot cooling solution. Its price at launch was 159 US Dollars.

Graphics Processor

GPU Name
Cape Verde
GPU Variant
Cape Verde XT
(215-0825117)
Architecture
GCN 1.0
Process Size
28 nm
Transistors
1,500 million
Die Size
123 mm²

Graphics Card

Release Date
Feb 15th, 2012
Generation
AMD Southern Islands HD 7700
Production Status
End-of-life
Launch Price
159 USD
Bus Interface
PCIe 3.0 x16

Relative Performance

8%
10%
13%
16%
19%
20%
25%
32%
33%
36%
38%
38%
44%
47%
50%
52%
54%
56%
59%
63%
64%
66%
68%
78%
79%
80%
81%
81%
82%
83%
88%
92%
94%
97%
98%
99%
100%
100%
Radeon HD 7770 GHz Edition
100%
102%
107%
109%
117%
119%
119%
124%
125%
129%
138%
142%
143%
145%
146%
151%
153%
154%
157%
164%
167%
170%
170%
171%
171%
185%
186%
191%
193%
194%
196%
196%
199%
200%
205%
221%
227%
233%
234%
236%
239%
244%
251%
257%
263%
267%
267%
296%
325%
330%
352%
354%
358%
363%
366%
368%
369%
373%
375%
380%
409%
414%
414%
419%
458%
468%
490%
506%
556%
575%
628%
628%
654%
765%
785%
Based on TPU review data: "Performance Summary" at 1920x1080

Clock Speeds

GPU Clock
1000 MHz
Memory Clock
1125 MHz
4500 MHz 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

Theoretical Performance

Pixel Rate
16.00 GPixel/s
Texture Rate
40.00 GTexel/s
FP32 (float) performance
1,280 GFLOPS
FP64 (double) performance
80.00 GFLOPS (1:16)

Board Design

Slot Width
Dual-slot
Length
8.27 inches
210 mm
TDP
80 W
Outputs
1x DVI
1x HDMI
2x mini-DisplayPort
Power Connectors
1x 6-pin
Board Number
C441,
C468

Graphics Features

DirectX
12.0 (11_1)
OpenGL
4.5
OpenCL
1.2
Vulkan
1.1.73
Shader Model
5.1

Card Notes

64 Z/Stencil ROP Units

Cape Verde GPU Notes

Graphics/Compute: GFX6 (gfx601)
Display Core Engine: 6.0
Unified Video Decoder: 4.0
Video Compression Engine: 1.0

Retail boards based on this design (50)

Name GPU Clock Memory Clock Other Changes
ASUS HD 7770 1000 MHz 1125 MHz 7.5 inches/191 mm, 1x DVI 1x HDMI 1x DisplayPort
ASUS HD 7770 DirectCU 1020 MHz 1150 MHz 8.9 inches/226 mm, 1x DVI 1x HDMI 2x mini-DisplayPort
ASUS HD 7770 DirectCU OC V2 1070 MHz 1150 MHz 9.3 inches/236 mm, 1x DVI 1x HDMI 2x mini-DisplayPort
ASUS HD 7770 DirectCU TOP 1120 MHz 1150 MHz 9.3 inches/236 mm, 2x DVI 1x HDMI 1x DisplayPort
ASUS HD 7770 DirectCU V2 1020 MHz 1150 MHz 9.3 inches/236 mm, 2x DVI 1x HDMI 1x DisplayPort
ASUS HD 7770 Dual-Fan 2 GB 1020 MHz 1150 MHz 2048 MB, 8.3 inches/211 mm, 2x DVI 1x HDMI 1x DisplayPort
Club 3D HD 7770 GHz Edition 1000 MHz 1125 MHz 8.3 inches/211 mm, 1x DVI 1x HDMI 2x mini-DisplayPort
Club 3D HD 7770 GHz Edition 1000 MHz 1125 MHz 6.9 inches/175 mm, Single-slot, 1x DVI 1x HDMI 1x VGA
Club 3D HD 7770 GHz Edition 1000 MHz 1125 MHz 6.9 inches/175 mm, 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 2048 MB
Dell HD 7770 GHz Edition 2 GB 1000 MHz 1125 MHz 2048 MB, 1x DVI 1x HDMI 2x mini-DisplayPort
Diamond HD 7770 Double Black Diamond 1150 MHz 1250 MHz 8.8 inches/224 mm, 1x DVI 1x HDMI 2x mini-DisplayPort
Diamond HD 7770 GHz Edition 1000 MHz 1125 MHz 8.8 inches/224 mm, 1x DVI 1x HDMI 2x mini-DisplayPort
GIGABYTE HD 7770 GHz Edition 1000 MHz 1125 MHz 8.35 inches/212 mm
GIGABYTE HD 7770 OC 1 GB Rev. 1.0 1100 MHz 1250 MHz 8.35 inches/212 mm, 1x DVI 1x HDMI 2x mini-DisplayPort
GIGABYTE HD 7770 OC 1 GB Rev. 2.0 1050 MHz 1125 MHz 8.35 inches/212 mm, 1x DVI 1x HDMI 2x mini-DisplayPort
GIGABYTE HD 7770 OC 2 GB Rev. 2.0 1020 MHz 1125 MHz 2048 MB, 8.35 inches/212 mm, 2x DVI 1x HDMI 1x VGA
HIS HD 7770 Blue IceQ X 1000 MHz 1125 MHz 9.13 inches/232 mm
HIS HD 7770 Blue IceQ X Turbo 1100 MHz 1200 MHz 9.13 inches/232 mm
HIS HD 7770 IceQ X 1000 MHz 1125 MHz 9.13 inches/232 mm, 1x DVI 1x HDMI 2x mini-DisplayPort
HIS HD 7770 IceQ X Turbo 1100 MHz 1200 MHz 9.13 inches/232 mm, 1x DVI 1x HDMI 2x mini-DisplayPort
HIS HD 7770 iCooler 1000 MHz 1125 MHz 8.346 inches/212 mm, 1x DVI 1x HDMI 2x mini-DisplayPort
HP HD 7770 GHz Edition 2 GB 1000 MHz 1125 MHz 2048 MB, 1x DVI 1x HDMI 2x mini-DisplayPort
MSI HD 7770 GHz Edition 1000 MHz 1125 MHz 7.52 inches/191 mm, 1x DVI 1x HDMI 1x DisplayPort
MSI HD 7770 Power Edition 1100 MHz 1125 MHz 10 inches/254 mm, 1x DVI 1x HDMI 2x mini-DisplayPort
MSI HD 7770 Twin Fan OC 1020 MHz 1125 MHz 9.25 inches/235 mm, 1x DVI 1x HDMI 2x mini-DisplayPort
PowerColor HD 7770 1000 MHz 1125 MHz
PowerColor HD 7770 V2 1000 MHz 1125 MHz 6.7 inches/170 mm, 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 8.66 inches/220 mm, 2x DVI 1x HDMI 1x DisplayPort
Sapphire HD 7770 GHz Edition 1000 MHz 1125 MHz 7.24 inches/184 mm, 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 7.24 inches/184 mm, 1x DVI 1x HDMI 1x DisplayPort
Sapphire HD 7770 Vapor-X Black Diamond 1150 MHz 1300 MHz 8.86 inches/225 mm, 2x DVI 1x HDMI 1x DisplayPort
Sapphire HD 7770 Vapor-X OC 1100 MHz 1300 MHz 8.858 inches/225 mm, 2x DVI 1x HDMI 1x DisplayPort
VisionTek HD 7770 GHz Edition 1000 MHz 1125 MHz 8.35 inches/212 mm, 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 8.8 inches/224 mm, 2x DVI 1x HDMI 1x DisplayPort
XFX Double D HD 7770 Black Edition 1095 MHz 1245 MHz 8.8 inches/224 mm, 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 8.8 inches/224 mm, 2x DVI 1x HDMI 1x DisplayPort
XFX HD 7770 1000 MHz 1125 MHz 6.6 inches/168 mm, 2x DVI 1x HDMI 1x DisplayPort
XFX HD 7770 Super Overclock 1120 MHz 1300 MHz 8.8 inches/224 mm, 1x DVI 1x HDMI 2x mini-DisplayPort
XFX HD 7770 Ultra Overclock 1095 MHz 1245 MHz 8.8 inches/224 mm, 2x DVI 1x HDMI 1x DisplayPort
Zalman HD 7770 VF1000 1000 MHz 1125 MHz 8.35 inches/212 mm