NVIDIA GeForce GTX 980 Ti vs AMD Radeon HD 8870 OEM

VS

NVIDIA GeForce GTX 980 Ti

AMD Radeon HD 8870 OEM

We compared two Desktop platform GPUs: 6GB VRAM GeForce GTX 980 Ti and 2GB VRAM Radeon HD 8870 OEM 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 2 years and 5 months late

Boost Clock1076MHz

More VRAM (6GB vs 2GB)

Larger VRAM bandwidth (336.6GB/s vs 153.6GB/s)

1536 additional rendering cores

AMD Radeon HD 8870 OEM 's Advantages

Lower TDP (175W vs 250W)

Score

Benchmark

FP32 (float)

GeForce GTX 980 Ti +136%

6.06 TFLOPS

Radeon HD 8870 OEM

2.56 TFLOPS

GeForce GTX 980 Ti

VS

Radeon HD 8870 OEM

Graphics Card

Jun 2015

Release Date

Jan 2013

GeForce 900

Generation

Sea Islands

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

1000 MHz

Base Clock

-

1076 MHz

Boost Clock

-

1753 MHz

Memory Clock

1200 MHz

Memory

6GB

Memory Size

2GB

GDDR5

Memory Type

GDDR5

384bit

Memory Bus

256bit

336.6GB/s

Bandwidth

153.6GB/s

Render Config

-

Compute Units

20

-

2816

Shading Units

1280

176

TMUs

80

96

ROPs

32

-

48 KB (per SMM)

L1 Cache

16 KB (per CU)

3 MB

L2 Cache

512 KB

-

Theoretical Performance

103.3 GPixel/s

Pixel Rate

32.00 GPixel/s

189.4 GTexel/s

Texture Rate

80.00 GTexel/s

-

6.060 TFLOPS

FP32 (float)

2.560 TFLOPS

189.4 GFLOPS

FP64 (double)

160.0 GFLOPS

Board Design

250W

TDP

175W

600 W

Suggested PSU

450 W

1x DVI 1x HDMI 2.0 3x DisplayPort 1.4a

Outputs

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

1x 6-pin + 1x 8-pin

Power Connectors

2x 6-pin

Graphics Processor

GM200

GPU Name

Pitcairn

GM200-310-A1

GPU Variant

Pitcairn XT (215-0828047)

Maxwell 2.0

Architecture

GCN 1.0

TSMC

Foundry

TSMC

28 nm

Process Size

28 nm

8 billion

Transistors

2.8 billion

601 mm²

Die Size

212 mm²

Graphics Features

12 (12_1)

DirectX

12 (11_1)

4.6

OpenGL

4.6

3.0

OpenCL

1.2

1.3

Vulkan

1.2

5.2

CUDA

-

6.4

Shader Model

5.1

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