AMD Radeon HD 6850 vs NVIDIA GeForce GTX 1080

VS

AMD Radeon HD 6850 NVIDIA GeForce GTX 1080

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

Main Differences

AMD Radeon HD 6850 's Advantages

Lower TDP (127W vs 180W)

NVIDIA GeForce GTX 1080 's Advantages

Released 5 years and 7 months late

Boost Clock1733MHz

More VRAM (8GB vs 1GB)

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

1600 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 6850

1.488 TFLOPS

GeForce GTX 1080 +496%

8.873 TFLOPS

Radeon HD 6850

VS

GeForce GTX 1080

Graphics Card

Oct 2010

Release Date

May 2016

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

1000 MHz

Memory Clock

1251 MHz

Memory

1024MB

Memory Size

8GB

GDDR5

Memory Type

GDDR5X

256bit

Memory Bus

256bit

128.0GB/s

Bandwidth

320.3GB/s

Render Config

-

SM Count

20

12

Compute Units

-

960

Shading Units

2560

48

TMUs

160

32

ROPs

64

-

Tensor Cores

-

RT Cores

-

8 KB (per CU)

L1 Cache

48 KB (per SM)

512 KB

L2 Cache

2 MB

Theoretical Performance

24.80 GPixel/s

Pixel Rate

110.9 GPixel/s

37.20 GTexel/s

Texture Rate

277.3 GTexel/s

-

FP16 (half)

138.6 GFLOPS

1488 GFLOPS

FP32 (float)

8.873 TFLOPS

-

FP64 (double)

277.3 GFLOPS

Graphics Processor

Barts

GPU Name

GP104

Barts PRO (215-0798006)

GPU Variant

GP104-400-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

Board Design

127W

TDP

180W

300 W

Suggested PSU

450 W

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

Outputs

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

1x 6-pin

Power Connectors

1x 8-pin

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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