GeForce GTX 970 and Radeon R2 Graphics - video card comparison

GeForce GTX 970

Radeon R2 Graphics

Architecture

Maxwell (2014−2018)

GCN 2.0 (2013−2017)

GPU code name

GM204

Beema

Market segment

Desktop

Desktop

Release date

September 2014

February 2015

Bus support

PCI Express 3.0

-

Interface

PCIe 3.0 x16

IGP

Recommended system power (PSU)

500 Watt

-

Supplementary power connectors

2x 6-pins

-

SLI options

+

-

Boost clock speed

1178 MHz

-

Core clock speed

1050 MHz

351 MHz

CUDA cores

1664

-

Floating-point performance

3,920 gflops

179.2 gflops

Manufacturing process technology

28 nm

28 nm

Number of transistors

5,200 million

930 million

Pipelines / CUDA cores

1664

128

Power consumption (TDP)

145 Watt

15 Watt

Maximum GPU temperature

98 °C

-

Texture fill rate

109 billion/sec

2.808

Memory type

GDDR5

System Shared

Maximum RAM amount

4 GB

System Shared

Memory bus width

256 Bit

System Shared

Memory clock speed

7.0 GB/s

System Shared

Memory bandwidth

224 GB/s

-

Shared memory

-

-

Display Connectors

Dual Link DVI-I, HDMI 2.0, 3x DisplayPort 1.2

No outputs

Multi monitor support

4 displays

-

HDMI

+

-

HDCP

+

-

Maximum VGA resolution

2048x1536

-

G-SYNC support

+

-

Audio input for HDMI

Internal

-

DirectX

12 (12_1)

12 (12_0)

CUDA

+

-

OpenCL

1.2

2.0

OpenGL

4.4

4.6

Shader Model

6.4

6.3

Vulkan

1.1.126

1.2.131

GameStream

+

-

GameWorks

+

-

GeForce ShadowPlay

+

-

GPU Boost

2.0

-