NVIDIA GeForce GTX 1080 vs AMD Radeon HD 6850 1440SP Edition

VS

NVIDIA GeForce GTX 1080

AMD Radeon HD 6850 1440SP Edition

We compared two Desktop platform GPUs: 8GB VRAM GeForce GTX 1080 and 1024MB VRAM Radeon HD 6850 1440SP Edition to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GTX 1080 's Advantages

Released 3 years and 9 months late

Boost Clock1733MHz

More VRAM (8GB vs 1024GB)

Larger VRAM bandwidth (320.3GB/s vs 128.0GB/s)

1120 additional rendering cores

AMD Radeon HD 6850 1440SP Edition 's Advantages

Lower TDP (151W vs 180W)

Score

Benchmark

FP32 (float)

GeForce GTX 1080 +324%

8.873 TFLOPS

Radeon HD 6850 1440SP Edition

2.088 TFLOPS

GeForce GTX 1080

VS

Radeon HD 6850 1440SP Edition

Graphics Card

May 2016

Release Date

Aug 2012

GeForce 10

Generation

Northern Islands

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

1000 MHz

Memory

8GB

Memory Size

1024MB

GDDR5X

Memory Type

GDDR5

256bit

Memory Bus

256bit

320.3GB/s

Bandwidth

128.0GB/s

Render Config

-

Compute Units

18

20

SM Count

-

2560

Shading Units

1440

160

TMUs

72

64

ROPs

32

-

48 KB (per SM)

L1 Cache

8 KB (per CU)

2 MB

L2 Cache

512 KB

-

Theoretical Performance

110.9 GPixel/s

Pixel Rate

23.20 GPixel/s

277.3 GTexel/s

Texture Rate

52.20 GTexel/s

138.6 GFLOPS

FP16 (half)

-

8.873 TFLOPS

FP32 (float)

2.088 TFLOPS

277.3 GFLOPS

FP64 (double)

417.6 GFLOPS

Board Design

180W

TDP

151W

450 W

Suggested PSU

450 W

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

Outputs

2x DVI 1x HDMI 1.3a 1x DisplayPort 1.1

1x 8-pin

Power Connectors

2x 6-pin

Graphics Processor

GP104

GPU Name

Cypress

GP104-400-A1

GPU Variant

Cypress PRO (215-0735043)

Pascal

Architecture

TeraScale 2

TSMC

Foundry

TSMC

16 nm

Process Size

40 nm

7.2 billion

Transistors

2.154 billion

314 mm²

Die Size

334 mm²

Graphics Features

12 (12_1)

DirectX

11.2 (11_0)

4.6

OpenGL

4.4

3.0

OpenCL

1.2

1.3

Vulkan

N/A

6.1

CUDA

-

6.4

Shader Model

5.0

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