ATI Radeon HD 4870 X2 vs NVIDIA GeForce GTX 1080

VS

ATI Radeon HD 4870 X2

NVIDIA GeForce GTX 1080

We compared two Desktop platform GPUs: 1024MB VRAM Radeon HD 4870 X2 and 8GB VRAM GeForce GTX 1080 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 9 months late

Boost Clock1733MHz

More VRAM (8GB vs 1024GB)

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

1760 additional rendering cores

Lower TDP (180W vs 286W)

Score

Benchmark

FP32 (float)

Radeon HD 4870 X2

1.2 TFLOPS

GeForce GTX 1080 +639%

8.873 TFLOPS

Radeon HD 4870 X2

VS

GeForce GTX 1080

Graphics Card

Aug 2008

Release Date

May 2016

Radeon R700

Generation

GeForce 10

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

Base Clock

1607 MHz

-

Boost Clock

1733 MHz

900 MHz

Memory Clock

1251 MHz

Memory

1024MB

Memory Size

8GB

GDDR5

Memory Type

GDDR5X

256bit

Memory Bus

256bit

115.2GB/s

Bandwidth

320.3GB/s

Render Config

10

Compute Units

-

SM Count

20

800

Shading Units

2560

40

TMUs

160

16

ROPs

64

-

16 KB (per CU)

L1 Cache

48 KB (per SM)

256 KB

L2 Cache

2 MB

-

Theoretical Performance

12.00 GPixel/s

Pixel Rate

110.9 GPixel/s

30.00 GTexel/s

Texture Rate

277.3 GTexel/s

-

FP16 (half)

138.6 GFLOPS

1200 GFLOPS

FP32 (float)

8.873 TFLOPS

240.0 GFLOPS

FP64 (double)

277.3 GFLOPS

Board Design

286W

TDP

180W

600 W

Suggested PSU

450 W

2x DVI 1x S-Video

Outputs

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

1x 6-pin + 1x 8-pin

Power Connectors

1x 8-pin

Graphics Processor

R700

GPU Name

GP104

R700 XT (215-0669045)

GPU Variant

GP104-400-A1

TeraScale

Architecture

Pascal

TSMC

Foundry

TSMC

55 nm

Process Size

16 nm

0.956 billion

Transistors

7.2 billion

256 mm²

Die Size

314 mm²

Graphics Features

10.1 (10_1)

DirectX

12 (12_1)

3.3

OpenGL

4.6

1.1

OpenCL

3.0

N/A

Vulkan

1.3

-

CUDA

6.1

4.1

Shader Model

6.4

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