AMD Radeon HD 6850 X2 vs NVIDIA GeForce GTX 1080 11Gbps

VS

AMD Radeon HD 6850 X2

NVIDIA GeForce GTX 1080 11Gbps

We compared two Desktop platform GPUs: 2GB VRAM Radeon HD 6850 X2 and 8GB VRAM GeForce GTX 1080 11Gbps to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GTX 1080 11Gbps 's Advantages

Released 5 years and 7 months late

Boost Clock1733MHz

More VRAM (8GB vs 2GB)

Larger VRAM bandwidth (352.3GB/s vs 134.4GB/s)

1600 additional rendering cores

Lower TDP (180W vs 254W)

Score

Benchmark

FP32 (float)

Radeon HD 6850 X2

1.536 TFLOPS

GeForce GTX 1080 11Gbps +477%

8.873 TFLOPS

Radeon HD 6850 X2

VS

GeForce GTX 1080 11Gbps

Graphics Card

Sep 2011

Release Date

Apr 2017

Northern Islands

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

1050 MHz

Memory Clock

1376 MHz

Memory

2GB

Memory Size

8GB

GDDR5

Memory Type

GDDR5X

256bit

Memory Bus

256bit

134.4GB/s

Bandwidth

352.3GB/s

Render Config

12

Compute Units

-

SM Count

20

960

Shading Units

2560

48

TMUs

160

32

ROPs

64

-

8 KB (per CU)

L1 Cache

48 KB (per SM)

512 KB

L2 Cache

2 MB

-

Theoretical Performance

25.60 GPixel/s

Pixel Rate

110.9 GPixel/s

38.40 GTexel/s

Texture Rate

277.3 GTexel/s

-

FP16 (half)

138.6 GFLOPS

1.536 TFLOPS

FP32 (float)

8.873 TFLOPS

-

FP64 (double)

277.3 GFLOPS

Board Design

254W

TDP

180W

600 W

Suggested PSU

450 W

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

Outputs

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

2x 8-pin

Power Connectors

1x 8-pin

Graphics Processor

Barts

GPU Name

GP104

Barts PRO (215-0798006)

GPU Variant

GP104-410-A1

TeraScale 2

Architecture

Pascal

TSMC

Foundry

TSMC

40 nm

Process Size

16 nm

1.7 billion

Transistors

7.2 billion

255 mm²

Die Size

314 mm²

Graphics Features

11.2 (11_0)

DirectX

12 (12_1)

4.4

OpenGL

4.6

1.2

OpenCL

3.0

N/A

Vulkan

1.3

-

CUDA

6.1

5.0

Shader Model

6.4

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