NVIDIA GeForce GTX 1080 Ti 12 GB vs ATI Radeon HD 3870 X2

VS

NVIDIA GeForce GTX 1080 Ti 12 GB

ATI Radeon HD 3870 X2

We compared two Desktop platform GPUs: 12GB VRAM GeForce GTX 1080 Ti 12 GB and 512MB VRAM Radeon HD 3870 X2 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GTX 1080 Ti 12 GB 's Advantages

Boost Clock1670MHz

More VRAM (12GB vs 512GB)

Larger VRAM bandwidth (528.4GB/s vs 57.66GB/s)

2880 additional rendering cores

ATI Radeon HD 3870 X2 's Advantages

Lower TDP (165W vs 250W)

Score

Benchmark

FP32 (float)

GeForce GTX 1080 Ti 12 GB +1924%

10.69 TFLOPS

Radeon HD 3870 X2

0.528 TFLOPS

GeForce GTX 1080 Ti 12 GB

VS

Radeon HD 3870 X2

Graphics Card

Unknown

Release Date

Jan 2008

GeForce 10

Generation

Radeon R600

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

1557 MHz

Base Clock

-

1670 MHz

Boost Clock

-

1376 MHz

Memory Clock

901 MHz

Memory

12GB

Memory Size

512MB

GDDR5X

Memory Type

GDDR3

384bit

Memory Bus

256bit

528.4GB/s

Bandwidth

57.66GB/s

Render Config

-

Compute Units

4

25

SM Count

-

3200

Shading Units

320

200

TMUs

16

80

ROPs

16

-

48 KB (per SM)

L1 Cache

-

0 MB

L2 Cache

256 KB

-

Theoretical Performance

133.6 GPixel/s

Pixel Rate

13.20 GPixel/s

334.0 GTexel/s

Texture Rate

13.20 GTexel/s

167.0 GFLOPS

FP16 (half)

-

10.69 TFLOPS

FP32 (float)

528.0 GFLOPS

334.0 GFLOPS

FP64 (double)

105.6 GFLOPS

Board Design

250W

TDP

165W

600 W

Suggested PSU

450 W

1x HDMI 2.0 3x DisplayPort 1.4a

Outputs

2x DVI 1x S-Video

1x 6-pin + 1x 8-pin

Power Connectors

1x 6-pin + 1x 8-pin

Graphics Processor

GP102

GPU Name

R680

-

GPU Variant

R680 XT (215-0708017)

Pascal

Architecture

TeraScale

TSMC

Foundry

TSMC

16 nm

Process Size

55 nm

11.8 billion

Transistors

0.666 billion

471 mm²

Die Size

192 mm²

Graphics Features

12 (12_1)

DirectX

10.1 (10_1)

4.6

OpenGL

3.3 (full) 4.0 (partial)

3.0

OpenCL

N/A

1.3

Vulkan

N/A

6.1

CUDA

-

6.7

Shader Model

4.1

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