AMD Radeon HD 7770 GHz Edition: GPU Specs & Benchmarks

The Radeon HD 7770 GHz Edition is a graphics card by AMD, built on the 28 nm process and based on the Cape Verde graphics processor (GPU). The video card specifications and performance tests (benchmarks) are listed below.

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Graphics Processor (GPU)

GPU Name

Cape Verde

Model number

Cape Verde XT

Architecture

GCN 1.0

Foundry

TSMC

Process Size

28 nm

Transistors

1,500 million

Die Size

123 mm²

Graphics Card

Release Date

Feb 15th, 2012

Family

Southern Islands
(HD 7700)

Production

End-of-life

Launch Price

159 USD

Predecessor

Northern Islands

Bus Interface

PCIe 3.0 x16

Memory

Memory Size

1024 MB

Memory Type

GDDR5

Memory Bus

128 bit

Bandwidth

72.00 GB/s

Performance

Pixel fillrate

16.00 GPixel/s

Texture fillrate

40.00 GTexel/s

FP32 (float) performance

1,280 GFLOPS

FP64 (double) performance

80.00 GFLOPS (1:16)

Clock Speeds

Memory Clock

1125 MHz
4.5 Gbps effective

GPU Clock

1000 MHz

Render Config

Shading Units

640

TMUs

40

ROPs

16

Compute Units

10

L1 Cache

16 KB (per CU)

L2 Cache

256 KB

Board Design

Slot Width

Dual-slot

Length

210 mm
8.3 inches

Thermal design power (TDP)

80 W

Suggested PSU

250 W

Display Connectors

1x DVI
1x HDMI
2x mini-DisplayPort

Power Connectors

1x 6-pin

Board Number

C441,
C468

API support

DirectX

12 (11_1)

OpenGL

4.6

OpenCL

1.2

Vulkan

1.2

Shader Model

5.1