NVIDIA GeForce GTX 650 Ti Boost vs AMD Radeon HD 6850 X2

VS

NVIDIA GeForce GTX 650 Ti Boost

AMD Radeon HD 6850 X2

We compared two Desktop platform GPUs: 2GB VRAM GeForce GTX 650 Ti Boost and 2GB VRAM Radeon HD 6850 X2 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GTX 650 Ti Boost 's Advantages

Released 1 years and 6 months late

Boost Clock1032MHz

Larger VRAM bandwidth (144.2GB/s vs 134.4GB/s)

Lower TDP (134W vs 254W)

AMD Radeon HD 6850 X2 's Advantages

192 additional rendering cores

Score

Benchmark

FP32 (float)

GeForce GTX 650 Ti Boost +3%

1.585 TFLOPS

Radeon HD 6850 X2

1.536 TFLOPS

GeForce GTX 650 Ti Boost

VS

Radeon HD 6850 X2

Graphics Card

Mar 2013

Release Date

Sep 2011

GeForce 600

Generation

Northern Islands

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

980 MHz

Base Clock

-

1032 MHz

Boost Clock

-

1502 MHz

Memory Clock

1050 MHz

Memory

2GB

Memory Size

2GB

GDDR5

Memory Type

GDDR5

192bit

Memory Bus

256bit

144.2GB/s

Bandwidth

134.4GB/s

Render Config

-

Compute Units

12

-

768

Shading Units

960

64

TMUs

48

24

ROPs

32

-

16 KB (per SMX)

L1 Cache

8 KB (per CU)

384 KB

L2 Cache

512 KB

-

Theoretical Performance

16.51 GPixel/s

Pixel Rate

25.60 GPixel/s

66.05 GTexel/s

Texture Rate

38.40 GTexel/s

-

1.585 TFLOPS

FP32 (float)

1.536 TFLOPS

66.05 GFLOPS

FP64 (double)

-

Board Design

134W

TDP

254W

300 W

Suggested PSU

600 W

2x DVI 1x HDMI 1.4a 1x DisplayPort 1.2

Outputs

2x DVI 1x HDMI 1.3a 1x DisplayPort 1.1

1x 6-pin

Power Connectors

2x 8-pin

Graphics Processor

GK106

GPU Name

Barts

GK106-240-A1

GPU Variant

Barts PRO (215-0798006)

Kepler

Architecture

TeraScale 2

TSMC

Foundry

TSMC

28 nm

Process Size

40 nm

2.54 billion

Transistors

1.7 billion

221 mm²

Die Size

255 mm²

Graphics Features

12 (11_0)

DirectX

11.2 (11_0)

4.6

OpenGL

4.4

3.0

OpenCL

1.2

1.1

Vulkan

N/A

3.0

CUDA

-

5.1

Shader Model

5.0

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