GeForce 820A and Xbox 360 GPU - video card comparison

GeForce 820A

Xbox 360 GPU

Architecture

Fermi 2.0 (2010−2014)

TeraScale (2005−2013)

GPU code name

GF117

Xenos

Market segment

Desktop

Release date

March 2014

November 2005

Interface

PCIe 2.0 x16

IGP

Core clock speed

775 MHz

500 MHz

Floating-point performance

297.6 gflops

240 gflops

Manufacturing process technology

28 nm

90 nm

Number of transistors

585 million

232 million

Pipelines / CUDA cores

240

Power consumption (TDP)

15 Watt

Texture fill rate

12.40

8.000

Memory type

DDR3

GDDR3

Maximum RAM amount

1 GB

512 MB

Memory bus width

64 Bit

128 Bit

Memory clock speed

1800 MHz

1400 MHz

Memory bandwidth

14.4 GB/s

22.4 GB/s

Display Connectors

No outputs

DirectX

12 (11_0)

9.0c (9_3)

CUDA

2.1

OpenCL

1.1

OpenGL

4.6

N/A

Shader Model

5.1

Vulkan

N/A