AMD Radeon HD 8870 OEM vs NVIDIA GeForce GTX 980 Ti

VS

AMD Radeon HD 8870 OEM

NVIDIA GeForce GTX 980 Ti

We compared two Desktop platform GPUs: 2GB VRAM Radeon HD 8870 OEM and 6GB VRAM GeForce GTX 980 Ti to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 8870 OEM 's Advantages

Lower TDP (175W vs 250W)

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

Score

Benchmark

FP32 (float)

Radeon HD 8870 OEM

2.56 TFLOPS

GeForce GTX 980 Ti +136%

6.06 TFLOPS

Radeon HD 8870 OEM

VS

GeForce GTX 980 Ti

Graphics Card

Jan 2013

Release Date

Jun 2015

Sea Islands

Generation

GeForce 900

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

Base Clock

1000 MHz

-

Boost Clock

1076 MHz

1200 MHz

Memory Clock

1753 MHz

Memory

2GB

Memory Size

6GB

GDDR5

Memory Type

GDDR5

256bit

Memory Bus

384bit

153.6GB/s

Bandwidth

336.6GB/s

Render Config

20

Compute Units

-

1280

Shading Units

2816

80

TMUs

176

32

ROPs

96

-

16 KB (per CU)

L1 Cache

48 KB (per SMM)

512 KB

L2 Cache

3 MB

-

Theoretical Performance

32.00 GPixel/s

Pixel Rate

103.3 GPixel/s

80.00 GTexel/s

Texture Rate

189.4 GTexel/s

-

2.560 TFLOPS

FP32 (float)

6.060 TFLOPS

160.0 GFLOPS

FP64 (double)

189.4 GFLOPS

Board Design

175W

TDP

250W

450 W

Suggested PSU

600 W

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

Outputs

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

2x 6-pin

Power Connectors

1x 6-pin + 1x 8-pin

Graphics Processor

Pitcairn

GPU Name

GM200

Pitcairn XT (215-0828047)

GPU Variant

GM200-310-A1

GCN 1.0

Architecture

Maxwell 2.0

TSMC

Foundry

TSMC

28 nm

Process Size

28 nm

2.8 billion

Transistors

8 billion

212 mm²

Die Size

601 mm²

Graphics Features

12 (11_1)

DirectX

12 (12_1)

4.6

OpenGL

4.6

1.2

OpenCL

3.0

1.2

Vulkan

1.3

-

CUDA

5.2

5.1

Shader Model

6.4

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