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

VS

AMD Radeon HD 6850 1440SP Edition

NVIDIA GeForce GTX 780

We compared two Desktop platform GPUs: 1024MB VRAM Radeon HD 6850 1440SP Edition and 3GB VRAM GeForce GTX 780 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 6850 1440SP Edition 's Advantages

Lower TDP (151W vs 250W)

NVIDIA GeForce GTX 780 's Advantages

Released 9 months late

Boost Clock902MHz

More VRAM (3GB vs 1024GB)

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

864 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 6850 1440SP Edition

2.088 TFLOPS

GeForce GTX 780 +99%

4.156 TFLOPS

Radeon HD 6850 1440SP Edition

VS

GeForce GTX 780

Graphics Card

Aug 2012

Release Date

May 2013

Northern Islands

Generation

GeForce 700

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

Base Clock

863 MHz

-

Boost Clock

902 MHz

1000 MHz

Memory Clock

1502 MHz

Memory

1024MB

Memory Size

3GB

GDDR5

Memory Type

GDDR5

256bit

Memory Bus

384bit

128.0GB/s

Bandwidth

288.4GB/s

Render Config

18

Compute Units

-

1440

Shading Units

2304

72

TMUs

192

32

ROPs

48

-

8 KB (per CU)

L1 Cache

16 KB (per SMX)

512 KB

L2 Cache

1536 KB

-

Theoretical Performance

23.20 GPixel/s

Pixel Rate

43.30 GPixel/s

52.20 GTexel/s

Texture Rate

173.2 GTexel/s

-

2.088 TFLOPS

FP32 (float)

4.156 TFLOPS

417.6 GFLOPS

FP64 (double)

173.2 GFLOPS

Board Design

151W

TDP

250W

450 W

Suggested PSU

600 W

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

Outputs

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

2x 6-pin

Power Connectors

1x 6-pin + 1x 8-pin

Graphics Processor

Cypress

GPU Name

GK110

Cypress PRO (215-0735043)

GPU Variant

GK110-300-A1

TeraScale 2

Architecture

Kepler

TSMC

Foundry

TSMC

40 nm

Process Size

28 nm

2.154 billion

Transistors

7.08 billion

334 mm²

Die Size

561 mm²

Graphics Features

11.2 (11_0)

DirectX

12 (11_0)

4.4

OpenGL

4.6

1.2

OpenCL

3.0

N/A

Vulkan

1.1

-

CUDA

3.5

5.0

Shader Model

5.1

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