NVIDIA TITAN X Pascal vs AMD Radeon HD 6870 1600SP Edition

VS

NVIDIA TITAN X Pascal

AMD Radeon HD 6870 1600SP Edition

We compared two Desktop platform GPUs: 12GB VRAM TITAN X Pascal and 1024MB VRAM Radeon HD 6870 1600SP Edition to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA TITAN X Pascal 's Advantages

Released 3 years and 7 months late

Boost Clock1531MHz

More VRAM (12GB vs 1024GB)

Larger VRAM bandwidth (480.4GB/s vs 134.4GB/s)

1984 additional rendering cores

AMD Radeon HD 6870 1600SP Edition 's Advantages

Lower TDP (175W vs 250W)

Score

Benchmark

FP32 (float)

TITAN X Pascal +303%

10.97 TFLOPS

Radeon HD 6870 1600SP Edition

2.72 TFLOPS

TITAN X Pascal

VS

Radeon HD 6870 1600SP Edition

Graphics Card

Aug 2016

Release Date

Jan 2013

GeForce 10

Generation

Northern Islands

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

1417 MHz

Base Clock

-

1531 MHz

Boost Clock

-

1251 MHz

Memory Clock

1050 MHz

Memory

12GB

Memory Size

1024MB

GDDR5X

Memory Type

GDDR5

384bit

Memory Bus

256bit

480.4GB/s

Bandwidth

134.4GB/s

Render Config

-

Compute Units

20

28

SM Count

-

3584

Shading Units

1600

224

TMUs

80

96

ROPs

32

-

48 KB (per SM)

L1 Cache

8 KB (per CU)

3 MB

L2 Cache

512 KB

-

Theoretical Performance

147.0 GPixel/s

Pixel Rate

27.20 GPixel/s

342.9 GTexel/s

Texture Rate

68.00 GTexel/s

171.5 GFLOPS

FP16 (half)

-

10.97 TFLOPS

FP32 (float)

2.720 TFLOPS

342.9 GFLOPS

FP64 (double)

544.0 GFLOPS

Board Design

250W

TDP

175W

600 W

Suggested PSU

450 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

2x 6-pin

Graphics Processor

GP102

GPU Name

Cypress

GP102-400-A1

GPU Variant

Cypress XT (215-0735033)

Pascal

Architecture

TeraScale 2

TSMC

Foundry

TSMC

16 nm

Process Size

40 nm

11.8 billion

Transistors

2.154 billion

471 mm²

Die Size

334 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

6.1

CUDA

-

6.4

Shader Model

5.0

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