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Radeon HD 7770M

Specifications of the AMD Radeon HD 7770M GPU


AMD Radeon HD 7770M is a Graphics Processing Unit for mobile market segment. The GPU, built on 28 nm manufacturing process, boasts Graphics Core Next architecture. The card has graphics clocked at 675 MHz. It also has 512 stream processors, 32 texture units, along with 16 color ROPs. The Radeon HD 7770M comes with 2 GB of GDDR5 memory. Since the memory is clocked at 1 GHz, and utilizes 128 bit bus, the effective memory bandwidth is 64 GB/s. The GPU supports PCI Express 2.1 interface. The maximum power consumption of this model is 32 Watt. To increase AMD Radeon HD 7770M 3D graphics and gaming performance, it can be paired with a similar graphics card in crossfire mode.

More detailed specifications of the AMD Radeon HD 7770M GPU you will find below.

Name / Brand / Architecture

Manufacturer:AMD
Model:Radeon HD 7770M
mGPU model number:Chelsea XT
Reference card?:Yes
Target market segment:Mobile
Die name:Cape Verde
Architecture:Graphics Core Next
Fabrication process:28 nm
Transistors:1.5 billion
Bus interface:PCI-E 2.1 x 16
Launch date:April 2012

Frequency

Graphics clock:675 MHz

Memory specifications

Memory size:1 or 2 GB
Memory type:GDDR5
Memory clock:1000 MHz
Memory clock (effective):4 GHz
Memory interface width:128-bit
Memory bandwidth:** GB/s
L2 cache:** KB

Cores / Texture

Compute units:8
Color ROPs:16
Z/Stencil ROPs:**
Stream processors:**
Texture units:32
RAMDACs:400 MHz
Decoders:Adobe Flash
H.2**
MPEG-2 (SD & HD)
MPEG-4 Part 2 (DivX/Xvid)
MVC
VC-1

SLI / Crossfire

Maximum crossfire options:2-way

Electric characteristics

Maximum power draw:32 W

Video features

Multi-monitor:Up to 6 displays
Maximum digital resolution:**0 x 1600
Maximum VGA resolution:2048 x 1536
HDMI:Yes
HDMI version:1.4a

Performance

Pixel fill rate:10.8 Gigapixels/s
Texture fill rate:21.6 Gigatexels/s
Single presision compute power:691.2 GFLOPS
Double precision compute power:43.2 GFLOPS

External connectors

Standard display connectors:DisplayPort 1.2
Dual-Link DVI
HDMI
VGA
Audio input for HDMI:Yes

Other features / Support

Other features:AMD PowerTune
AMD ZeroCore Power
ATI/AMD PowerPlay
Direct Compute 11
HD3D Technology
HDCP
High Dynamic Range (HDR) Support
Open CL support:1.2
OpenGL support:4.2
DirectX support:11.1
Shader model:5.0
Windows driver support:Windows 7
Windows Vista
Windows XP
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