NVIDIA GeForce GTX 1080 vs ATI Radeon HD 4870

VS

NVIDIA GeForce GTX 1080

ATI Radeon HD 4870

We compared two Desktop platform GPUs: 8GB VRAM GeForce GTX 1080 and 512MB VRAM Radeon HD 4870 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GTX 1080 's Advantages

Released 7 years and 11 months late

Boost Clock1733MHz

More VRAM (8GB vs 512GB)

Larger VRAM bandwidth (320.3GB/s vs 115.2GB/s)

1760 additional rendering cores

ATI Radeon HD 4870 's Advantages

Lower TDP (150W vs 180W)

Score

Benchmark

FP32 (float)

GeForce GTX 1080 +639%

8.873 TFLOPS

Radeon HD 4870

1.2 TFLOPS

GeForce GTX 1080

VS

Radeon HD 4870

Graphics Card

May 2016

Release Date

Jun 2008

GeForce 10

Generation

Radeon R700

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

1607 MHz

Base Clock

-

1733 MHz

Boost Clock

-

1251 MHz

Memory Clock

900 MHz

Memory

8GB

Memory Size

512MB

GDDR5X

Memory Type

GDDR5

256bit

Memory Bus

256bit

320.3GB/s

Bandwidth

115.2GB/s

Render Config

-

Compute Units

10

20

SM Count

-

2560

Shading Units

800

160

TMUs

40

64

ROPs

16

-

48 KB (per SM)

L1 Cache

16 KB (per CU)

2 MB

L2 Cache

256 KB

-

Theoretical Performance

110.9 GPixel/s

Pixel Rate

12.00 GPixel/s

277.3 GTexel/s

Texture Rate

30.00 GTexel/s

138.6 GFLOPS

FP16 (half)

-

8.873 TFLOPS

FP32 (float)

1200 GFLOPS

277.3 GFLOPS

FP64 (double)

240.0 GFLOPS

Board Design

180W

TDP

150W

450 W

Suggested PSU

450 W

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

Outputs

2x DVI 1x S-Video

1x 8-pin

Power Connectors

2x 6-pin

Graphics Processor

GP104

GPU Name

RV770

GP104-400-A1

GPU Variant

RV770 XT (215-0669049)

Pascal

Architecture

TeraScale

TSMC

Foundry

TSMC

16 nm

Process Size

55 nm

7.2 billion

Transistors

0.956 billion

314 mm²

Die Size

256 mm²

Graphics Features

12 (12_1)

DirectX

10.1 (10_1)

4.6

OpenGL

3.3

3.0

OpenCL

1.1

1.3

Vulkan

N/A

6.1

CUDA

-

6.4

Shader Model

4.1

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