NVIDIA GeForce GTX 780 6 GB vs AMD Radeon HD 6850 1440SP Edition

VS

NVIDIA GeForce GTX 780 6 GB

AMD Radeon HD 6850 1440SP Edition

We compared two Desktop platform GPUs: 6GB VRAM GeForce GTX 780 6 GB 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 780 6 GB 's Advantages

Released 1 years and 1 months late

Boost Clock902MHz

More VRAM (6GB vs 1024GB)

Larger VRAM bandwidth (288.4GB/s vs 128.0GB/s)

864 additional rendering cores

AMD Radeon HD 6850 1440SP Edition 's Advantages

Lower TDP (151W vs 250W)

Score

Benchmark

FP32 (float)

GeForce GTX 780 6 GB +99%

4.156 TFLOPS

Radeon HD 6850 1440SP Edition

2.088 TFLOPS

GeForce GTX 780 6 GB

VS

Radeon HD 6850 1440SP Edition

Graphics Card

Sep 2013

Release Date

Aug 2012

GeForce 700

Generation

Northern Islands

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

863 MHz

Base Clock

-

902 MHz

Boost Clock

-

1502 MHz

Memory Clock

1000 MHz

Memory

6GB

Memory Size

1024MB

GDDR5

Memory Type

GDDR5

384bit

Memory Bus

256bit

288.4GB/s

Bandwidth

128.0GB/s

Render Config

-

Compute Units

18

-

2304

Shading Units

1440

192

TMUs

72

48

ROPs

32

-

16 KB (per SMX)

L1 Cache

8 KB (per CU)

1536 KB

L2 Cache

512 KB

-

Theoretical Performance

43.30 GPixel/s

Pixel Rate

23.20 GPixel/s

173.2 GTexel/s

Texture Rate

52.20 GTexel/s

-

4.156 TFLOPS

FP32 (float)

2.088 TFLOPS

173.2 GFLOPS

FP64 (double)

417.6 GFLOPS

Board Design

250W

TDP

151W

600 W

Suggested PSU

450 W

2x DVI 1x HDMI 1.4a 1x DisplayPort 1.2

Outputs

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

1x 6-pin + 1x 8-pin

Power Connectors

2x 6-pin

Graphics Processor

GK110B

GPU Name

Cypress

GK110-301-B1

GPU Variant

Cypress PRO (215-0735043)

Kepler

Architecture

TeraScale 2

TSMC

Foundry

TSMC

28 nm

Process Size

40 nm

7.08 billion

Transistors

2.154 billion

561 mm²

Die Size

334 mm²

Graphics Features

12 (11_1)

DirectX

11.2 (11_0)

4.6

OpenGL

4.4

3.0

OpenCL

1.2

1.1

Vulkan

N/A

3.5

CUDA

-

5.1

Shader Model

5.0

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