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

VS

AMD Radeon HD 6870 1600SP Edition

NVIDIA TITAN X Pascal

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

Main Differences

AMD Radeon HD 6870 1600SP Edition 's Advantages

Lower TDP (175W vs 250W)

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

Score

Benchmark

FP32 (float)

Radeon HD 6870 1600SP Edition

2.72 TFLOPS

TITAN X Pascal +303%

10.97 TFLOPS

Radeon HD 6870 1600SP Edition

VS

TITAN X Pascal

Graphics Card

Jan 2013

Release Date

Aug 2016

Northern Islands

Generation

GeForce 10

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

Base Clock

1417 MHz

-

Boost Clock

1531 MHz

1050 MHz

Memory Clock

1251 MHz

Memory

1024MB

Memory Size

12GB

GDDR5

Memory Type

GDDR5X

256bit

Memory Bus

384bit

134.4GB/s

Bandwidth

480.4GB/s

Render Config

20

Compute Units

-

SM Count

28

1600

Shading Units

3584

80

TMUs

224

32

ROPs

96

-

8 KB (per CU)

L1 Cache

48 KB (per SM)

512 KB

L2 Cache

3 MB

-

Theoretical Performance

27.20 GPixel/s

Pixel Rate

147.0 GPixel/s

68.00 GTexel/s

Texture Rate

342.9 GTexel/s

-

FP16 (half)

171.5 GFLOPS

2.720 TFLOPS

FP32 (float)

10.97 TFLOPS

544.0 GFLOPS

FP64 (double)

342.9 GFLOPS

Board Design

175W

TDP

250W

450 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

2x 6-pin

Power Connectors

1x 6-pin + 1x 8-pin

Graphics Processor

Cypress

GPU Name

GP102

Cypress XT (215-0735033)

GPU Variant

GP102-400-A1

TeraScale 2

Architecture

Pascal

TSMC

Foundry

TSMC

40 nm

Process Size

16 nm

2.154 billion

Transistors

11.8 billion

334 mm²

Die Size

471 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

6.1

5.0

Shader Model

6.4

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