AMD Radeon HD 6850 X2 vs NVIDIA GeForce GTX 650 Ti

VS

AMD Radeon HD 6850 X2

NVIDIA GeForce GTX 650 Ti

We compared two Desktop platform GPUs: 2GB VRAM Radeon HD 6850 X2 and 1024MB VRAM GeForce GTX 650 Ti to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 6850 X2 's Advantages

More VRAM (2GB vs 1024GB)

Larger VRAM bandwidth (134.4GB/s vs 86.40GB/s)

192 additional rendering cores

NVIDIA GeForce GTX 650 Ti 's Advantages

Released 1 years and 1 months late

Lower TDP (110W vs 254W)

Score

Benchmark

FP32 (float)

Radeon HD 6850 X2 +7%

1.536 TFLOPS

GeForce GTX 650 Ti

1.425 TFLOPS

Radeon HD 6850 X2

VS

GeForce GTX 650 Ti

Graphics Card

Sep 2011

Release Date

Oct 2012

Northern Islands

Generation

GeForce 600

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

1050 MHz

Memory Clock

1350 MHz

Memory

2GB

Memory Size

1024MB

GDDR5

Memory Type

GDDR5

256bit

Memory Bus

128bit

134.4GB/s

Bandwidth

86.40GB/s

Render Config

12

Compute Units

-

960

Shading Units

768

48

TMUs

64

32

ROPs

16

-

8 KB (per CU)

L1 Cache

16 KB (per SMX)

512 KB

L2 Cache

256 KB

-

Theoretical Performance

25.60 GPixel/s

Pixel Rate

14.85 GPixel/s

38.40 GTexel/s

Texture Rate

59.39 GTexel/s

-

1.536 TFLOPS

FP32 (float)

1425 GFLOPS

-

FP64 (double)

59.39 GFLOPS

Board Design

254W

TDP

110W

600 W

Suggested PSU

300 W

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

Outputs

2x DVI 1x mini-HDMI 1.4a

2x 8-pin

Power Connectors

1x 6-pin

Graphics Processor

Barts

GPU Name

GK106

Barts PRO (215-0798006)

GPU Variant

GK106-220-A1

TeraScale 2

Architecture

Kepler

TSMC

Foundry

TSMC

40 nm

Process Size

28 nm

1.7 billion

Transistors

2.54 billion

255 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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