NVIDIA GeForce GTX TITAN vs AMD Radeon HD 6870

VS

NVIDIA GeForce GTX TITAN

AMD Radeon HD 6870

We compared two Desktop platform GPUs: 6GB VRAM GeForce GTX TITAN and 1024MB VRAM Radeon HD 6870 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GTX TITAN 's Advantages

Released 2 years and 4 months late

Boost Clock876MHz

More VRAM (6GB vs 1024GB)

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

1568 additional rendering cores

AMD Radeon HD 6870 's Advantages

Lower TDP (151W vs 250W)

Score

Benchmark

FP32 (float)

GeForce GTX TITAN +133%

4.709 TFLOPS

Radeon HD 6870

2.016 TFLOPS

GeForce GTX TITAN

VS

Radeon HD 6870

Graphics Card

Feb 2013

Release Date

Oct 2010

GeForce 700

Generation

Northern Islands

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

836 MHz

Base Clock

-

876 MHz

Boost Clock

-

1502 MHz

Memory Clock

1050 MHz

Memory

6GB

Memory Size

1024MB

GDDR5

Memory Type

GDDR5

384bit

Memory Bus

256bit

288.4GB/s

Bandwidth

134.4GB/s

Render Config

-

Compute Units

14

-

2688

Shading Units

1120

224

TMUs

56

48

ROPs

32

-

16 KB (per SMX)

L1 Cache

8 KB (per CU)

1536 KB

L2 Cache

512 KB

-

Theoretical Performance

49.06 GPixel/s

Pixel Rate

28.80 GPixel/s

196.2 GTexel/s

Texture Rate

50.40 GTexel/s

-

4.709 TFLOPS

FP32 (float)

2.016 TFLOPS

1.570 TFLOPS

FP64 (double)

-

Board Design

250W

TDP

151W

600 W

Suggested PSU

450 W

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

Outputs

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

1x 6-pin + 1x 8-pin

Power Connectors

2x 6-pin

Graphics Processor

GK110

GPU Name

Barts

GK110-400-A1

GPU Variant

Barts XT (215-0798000)

Kepler

Architecture

TeraScale 2

TSMC

Foundry

TSMC

28 nm

Process Size

40 nm

7.08 billion

Transistors

1.7 billion

561 mm²

Die Size

255 mm²

Graphics Features

12 (11_0)

DirectX

11.2 (11_0)

4.6

OpenGL

4.4

3.0

OpenCL

1.2

1.1

Vulkan

N/A

3.5

CUDA

-

5.1

Shader Model

5.0

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