AMD Radeon HD 6850 X2 vs NVIDIA GeForce GTX TITAN

VS

AMD Radeon HD 6850 X2

NVIDIA GeForce GTX TITAN

We compared two Desktop platform GPUs: 2GB VRAM Radeon HD 6850 X2 and 6GB VRAM GeForce GTX TITAN to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GTX TITAN 's Advantages

Released 1 years and 5 months late

Boost Clock876MHz

More VRAM (6GB vs 2GB)

Larger VRAM bandwidth (288.4GB/s vs 134.4GB/s)

1728 additional rendering cores

Lower TDP (250W vs 254W)

Score

Benchmark

FP32 (float)

Radeon HD 6850 X2

1.536 TFLOPS

GeForce GTX TITAN +206%

4.709 TFLOPS

Radeon HD 6850 X2

VS

GeForce GTX TITAN

Graphics Card

Sep 2011

Release Date

Feb 2013

Northern Islands

Generation

GeForce 700

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

Base Clock

836 MHz

-

Boost Clock

876 MHz

1050 MHz

Memory Clock

1502 MHz

Memory

2GB

Memory Size

6GB

GDDR5

Memory Type

GDDR5

256bit

Memory Bus

384bit

134.4GB/s

Bandwidth

288.4GB/s

Render Config

12

Compute Units

-

960

Shading Units

2688

48

TMUs

224

32

ROPs

48

-

8 KB (per CU)

L1 Cache

16 KB (per SMX)

512 KB

L2 Cache

1536 KB

-

Theoretical Performance

25.60 GPixel/s

Pixel Rate

49.06 GPixel/s

38.40 GTexel/s

Texture Rate

196.2 GTexel/s

-

1.536 TFLOPS

FP32 (float)

4.709 TFLOPS

-

FP64 (double)

1.570 TFLOPS

Board Design

254W

TDP

250W

600 W

Suggested PSU

600 W

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

Outputs

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

2x 8-pin

Power Connectors

1x 6-pin + 1x 8-pin

Graphics Processor

Barts

GPU Name

GK110

Barts PRO (215-0798006)

GPU Variant

GK110-400-A1

TeraScale 2

Architecture

Kepler

TSMC

Foundry

TSMC

40 nm

Process Size

28 nm

1.7 billion

Transistors

7.08 billion

255 mm²

Die Size

561 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

3.5

5.0

Shader Model

5.1

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