GeForce GTX 770 and Radeon HD 6850M - video card comparison

GeForce GTX 770

Radeon HD 6850M

Architecture

Kepler (2012−2018)

Terascale 2 (2009−2015)

GPU code name

GK104

Granville Pro/LP

Market segment

Desktop

Laptop

Release date

May 2013

January 2011

Bus support

PCI Express 3.0

Interface

PCIe 3.0 x16

PCIe 2.0 x16

Minimum recommended system power

600 Watt

Supplementary power connectors

One 8-pin and one 6-pin

Boost clock speed

1085 MHz

Core clock speed

1046 MHz

575 / 675 MHz

CUDA cores

1536

Floating-point performance

3,333 gflops

1,080.0 gflops

Manufacturing process technology

28 nm

40 nm

Number of transistors

3,540 million

1,040 million

Pipelines / CUDA cores

1536

800

Power consumption (TDP)

230 Watt

50 Watt

Maximum GPU temperature

98 °C

Texture fill rate

134 billion/sec

27.00

Memory type

GDDR5

DDR3, GDDR5

Maximum RAM amount

2 GB

1 GB

Memory bus width

256 Bit

128 Bit

Memory clock speed

7012 MHz

800 MHz

Memory bandwidth

224.3 GB/s

25.6 GB/s

Shared memory

Display Connectors

One Dual Link DVI-I, One Dual Link DVI-D, One HDMI, One DisplayPort

No outputs

Multi monitor support

4 displays

HDMI

HDCP

Maximum VGA resolution

2048x1536

Audio input for HDMI

Internal

DirectX

12 (11_0)

11.2 (11_0)

CUDA

OpenCL

1.2

OpenGL

4.3

4.4

Shader Model

5.1

5.0

Vulkan

1.1.126

N/A

3D Gaming

3D Vision

3D Vision Live

Blu Ray 3D

PhysX