NVIDIA GeForce GTX TITAN X vs AMD Radeon HD 6850

VS

NVIDIA GeForce GTX TITAN X

AMD Radeon HD 6850

We compared two Desktop platform GPUs: 12GB VRAM GeForce GTX TITAN X and 1024MB VRAM Radeon HD 6850 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GTX TITAN X 's Advantages

Released 4 years and 5 months late

Boost Clock1089MHz

More VRAM (12GB vs 1024GB)

Larger VRAM bandwidth (336.6GB/s vs 128.0GB/s)

2112 additional rendering cores

AMD Radeon HD 6850 's Advantages

Lower TDP (127W vs 250W)

Score

Benchmark

FP32 (float)

GeForce GTX TITAN X +349%

6.691 TFLOPS

Radeon HD 6850

1.488 TFLOPS

GeForce GTX TITAN X

VS

Radeon HD 6850

Graphics Card

Mar 2015

Release Date

Oct 2010

GeForce 900

Generation

Northern Islands

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

1000 MHz

Base Clock

-

1089 MHz

Boost Clock

-

1753 MHz

Memory Clock

1000 MHz

Memory

12GB

Memory Size

1024MB

GDDR5

Memory Type

GDDR5

384bit

Memory Bus

256bit

336.6GB/s

Bandwidth

128.0GB/s

Render Config

-

Compute Units

12

-

3072

Shading Units

960

192

TMUs

48

96

ROPs

32

-

48 KB (per SMM)

L1 Cache

8 KB (per CU)

3 MB

L2 Cache

512 KB

-

Theoretical Performance

104.5 GPixel/s

Pixel Rate

24.80 GPixel/s

209.1 GTexel/s

Texture Rate

37.20 GTexel/s

-

6.691 TFLOPS

FP32 (float)

1488 GFLOPS

209.1 GFLOPS

FP64 (double)

-

Board Design

250W

TDP

127W

600 W

Suggested PSU

300 W

1x DVI 1x HDMI 2.0 3x DisplayPort 1.4a

Outputs

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

1x 6-pin + 1x 8-pin

Power Connectors

1x 6-pin

Graphics Processor

GM200

GPU Name

Barts

GM200-400-A1

GPU Variant

Barts PRO (215-0798006)

Maxwell 2.0

Architecture

TeraScale 2

TSMC

Foundry

TSMC

28 nm

Process Size

40 nm

8 billion

Transistors

1.7 billion

601 mm²

Die Size

255 mm²

Graphics Features

12 (12_1)

DirectX

11.2 (11_0)

4.6

OpenGL

4.4

3.0

OpenCL

1.2

1.3

Vulkan

N/A

5.2

CUDA

-

6.4

Shader Model

5.0

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