AMD Radeon HD 6850 vs NVIDIA GeForce GTX TITAN X

VS

AMD Radeon HD 6850

NVIDIA GeForce GTX TITAN X

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

Main Differences

AMD Radeon HD 6850 's Advantages

Lower TDP (127W vs 250W)

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

Score

Benchmark

FP32 (float)

Radeon HD 6850

1.488 TFLOPS

GeForce GTX TITAN X +349%

6.691 TFLOPS

Radeon HD 6850

VS

GeForce GTX TITAN X

Graphics Card

Oct 2010

Release Date

Mar 2015

Northern Islands

Generation

GeForce 900

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

Base Clock

1000 MHz

-

Boost Clock

1089 MHz

1000 MHz

Memory Clock

1753 MHz

Memory

1024MB

Memory Size

12GB

GDDR5

Memory Type

GDDR5

256bit

Memory Bus

384bit

128.0GB/s

Bandwidth

336.6GB/s

Render Config

12

Compute Units

-

960

Shading Units

3072

48

TMUs

192

32

ROPs

96

-

8 KB (per CU)

L1 Cache

48 KB (per SMM)

512 KB

L2 Cache

3 MB

-

Theoretical Performance

24.80 GPixel/s

Pixel Rate

104.5 GPixel/s

37.20 GTexel/s

Texture Rate

209.1 GTexel/s

-

1488 GFLOPS

FP32 (float)

6.691 TFLOPS

-

FP64 (double)

209.1 GFLOPS

Board Design

127W

TDP

250W

300 W

Suggested PSU

600 W

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

Outputs

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

1x 6-pin

Power Connectors

1x 6-pin + 1x 8-pin

Graphics Processor

Barts

GPU Name

GM200

Barts PRO (215-0798006)

GPU Variant

GM200-400-A1

TeraScale 2

Architecture

Maxwell 2.0

TSMC

Foundry

TSMC

40 nm

Process Size

28 nm

1.7 billion

Transistors

8 billion

255 mm²

Die Size

601 mm²

Graphics Features

11.2 (11_0)

DirectX

12 (12_1)

4.4

OpenGL

4.6

1.2

OpenCL

3.0

N/A

Vulkan

1.3

-

CUDA

5.2

5.0

Shader Model

6.4

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