NVIDIA GeForce GTX 980 Ti vs ATI Radeon HD 3870 X2

VS

NVIDIA GeForce GTX 980 Ti

ATI Radeon HD 3870 X2

We compared two Desktop platform GPUs: 6GB VRAM GeForce GTX 980 Ti 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 980 Ti 's Advantages

Released 7 years and 5 months late

Boost Clock1076MHz

More VRAM (6GB vs 512GB)

Larger VRAM bandwidth (336.6GB/s vs 57.66GB/s)

2496 additional rendering cores

ATI Radeon HD 3870 X2 's Advantages

Lower TDP (165W vs 250W)

Score

Benchmark

FP32 (float)

GeForce GTX 980 Ti +1047%

6.06 TFLOPS

Radeon HD 3870 X2

0.528 TFLOPS

GeForce GTX 980 Ti

VS

Radeon HD 3870 X2

Graphics Card

Jun 2015

Release Date

Jan 2008

GeForce 900

Generation

Radeon R600

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

1000 MHz

Base Clock

-

1076 MHz

Boost Clock

-

1753 MHz

Memory Clock

901 MHz

Memory

6GB

Memory Size

512MB

GDDR5

Memory Type

GDDR3

384bit

Memory Bus

256bit

336.6GB/s

Bandwidth

57.66GB/s

Render Config

-

Compute Units

4

-

2816

Shading Units

320

176

TMUs

16

96

ROPs

16

-

48 KB (per SMM)

L1 Cache

-

3 MB

L2 Cache

256 KB

-

Theoretical Performance

103.3 GPixel/s

Pixel Rate

13.20 GPixel/s

189.4 GTexel/s

Texture Rate

13.20 GTexel/s

-

6.060 TFLOPS

FP32 (float)

528.0 GFLOPS

189.4 GFLOPS

FP64 (double)

105.6 GFLOPS

Board Design

250W

TDP

165W

600 W

Suggested PSU

450 W

1x DVI 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

GM200

GPU Name

R680

GM200-310-A1

GPU Variant

R680 XT (215-0708017)

Maxwell 2.0

Architecture

TeraScale

TSMC

Foundry

TSMC

28 nm

Process Size

55 nm

8 billion

Transistors

0.666 billion

601 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

5.2

CUDA

-

6.4

Shader Model

4.1

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