AMD Radeon HD 6850 1440SP Edition vs NVIDIA GeForce GTX 650 Ti Boost

VS

AMD Radeon HD 6850 1440SP Edition

NVIDIA GeForce GTX 650 Ti Boost

We compared two Desktop platform GPUs: 1024MB VRAM Radeon HD 6850 1440SP Edition and 2GB VRAM GeForce GTX 650 Ti Boost to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 6850 1440SP Edition 's Advantages

672 additional rendering cores

NVIDIA GeForce GTX 650 Ti Boost 's Advantages

Released 7 months late

Boost Clock1032MHz

More VRAM (2GB vs 1024GB)

Larger VRAM bandwidth (144.2GB/s vs 128.0GB/s)

Lower TDP (134W vs 151W)

Score

Benchmark

FP32 (float)

Radeon HD 6850 1440SP Edition +31%

2.088 TFLOPS

GeForce GTX 650 Ti Boost

1.585 TFLOPS

Radeon HD 6850 1440SP Edition

VS

GeForce GTX 650 Ti Boost

Graphics Card

Aug 2012

Release Date

Mar 2013

Northern Islands

Generation

GeForce 600

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

Base Clock

980 MHz

-

Boost Clock

1032 MHz

1000 MHz

Memory Clock

1502 MHz

Memory

1024MB

Memory Size

2GB

GDDR5

Memory Type

GDDR5

256bit

Memory Bus

192bit

128.0GB/s

Bandwidth

144.2GB/s

Render Config

18

Compute Units

-

1440

Shading Units

768

72

TMUs

64

32

ROPs

24

-

8 KB (per CU)

L1 Cache

16 KB (per SMX)

512 KB

L2 Cache

384 KB

-

Theoretical Performance

23.20 GPixel/s

Pixel Rate

16.51 GPixel/s

52.20 GTexel/s

Texture Rate

66.05 GTexel/s

-

2.088 TFLOPS

FP32 (float)

1.585 TFLOPS

417.6 GFLOPS

FP64 (double)

66.05 GFLOPS

Board Design

151W

TDP

134W

450 W

Suggested PSU

300 W

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

Outputs

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

2x 6-pin

Power Connectors

1x 6-pin

Graphics Processor

Cypress

GPU Name

GK106

Cypress PRO (215-0735043)

GPU Variant

GK106-240-A1

TeraScale 2

Architecture

Kepler

TSMC

Foundry

TSMC

40 nm

Process Size

28 nm

2.154 billion

Transistors

2.54 billion

334 mm²

Die Size

221 mm²

Graphics Features

11.2 (11_0)

DirectX

12 (11_0)

4.4

OpenGL

4.6

1.2

OpenCL

3.0

N/A

Vulkan

1.1

-

CUDA

3.0

5.0

Shader Model

5.1

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