AMD Radeon HD 6850 X2 vs NVIDIA GeForce GTX 1080 Which One is Better

Graphics Card

Release Date

Sep 2011

May 2016

Generation

Northern Islands

GeForce 10

Type

Desktop

Bus Interface

PCIe 2.0 x16

PCIe 3.0 x16

Clock Speeds

Memory Clock

1050 MHz

1251 MHz

Base Clock

-

1607 MHz

Boost Clock

-

1733 MHz

Memory

Memory Size

2GB

8GB

Memory Type

GDDR5

GDDR5X

Memory Bus

256bit

Bandwidth

134.4GB/s

320.3GB/s

Render Config

Compute Units

12

-

Shading Units

960

2560

TMUs

48

160

ROPs

32

64

L1 Cache

8 KB (per CU)

48 KB (per SM)

L2 Cache

512 KB

2 MB

SM Count

-

20

Theoretical Performance

Pixel Rate

25.60 GPixel/s

110.9 GPixel/s

Texture Rate

38.40 GTexel/s

277.3 GTexel/s

FP32 (float)

1.536 TFLOPS

8.873 TFLOPS

FP16 (half)

-

138.6 GFLOPS

FP64 (double)

-

277.3 GFLOPS

Graphics Processor

GPU Name

Barts

GP104

GPU Variant

Barts PRO(215-0798006)

GP104-400-A1

Architecture

TeraScale 2

Pascal

Foundry

TSMC

Process Size

40 nm

16 nm

Transistors

1.7 billion

7.2 billion

Die Size

255 mm²

314 mm²

Board Design

TDP

254W

180W

Suggested PSU

600 W

450 W

Outputs

2x DVI1x HDMI 1.3a1x DisplayPort 1.1

1x DVI1x HDMI 2.03x DisplayPort 1.4a

Power Connectors

2x 8-pin

1x 8-pin

Graphics Features

DirectX

11.2 (11_0)

12 (12_1)

OpenGL

4.4

4.6

OpenCL

1.2

3.0

Vulkan

N/A

1.3

Shader Model

5.0

6.4

CUDA

-

6.1

📊 Benchmark

3DMark Time Spy

-

7,565

3DMark Time Spy Extreme

-

3,446

Battlefield 5 1080p

-

128

Shadow of the Tomb Raider 2160p

-

32

Shadow of the Tomb Raider 1440p

-

62

Shadow of the Tomb Raider 1080p

-

99

Battlefield 5 2160p

-

52

Battlefield 5 1440p

-

97

GTA 5 2160p

-

56

GTA 5 1440p

-

74

GTA 5 1080p

-

154