NVIDIA GeForce GTX 780 Ti vs AMD Radeon HD 6770 Green Edition

VS

NVIDIA GeForce GTX 780 Ti

AMD Radeon HD 6770 Green Edition

We compared two Desktop platform GPUs: 3GB VRAM GeForce GTX 780 Ti and 2GB VRAM Radeon HD 6770 Green Edition to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GTX 780 Ti 's Advantages

Released 7 months late

Boost Clock928MHz

More VRAM (3GB vs 2GB)

Larger VRAM bandwidth (336.6GB/s vs 21.34GB/s)

2160 additional rendering cores

AMD Radeon HD 6770 Green Edition 's Advantages

Lower TDP (86W vs 250W)

Score

Benchmark

FP32 (float)

GeForce GTX 780 Ti +430%

5.345 TFLOPS

Radeon HD 6770 Green Edition

1.008 TFLOPS

GeForce GTX 780 Ti

VS

Radeon HD 6770 Green Edition

Graphics Card

Nov 2013

Release Date

Apr 2013

GeForce 700

Generation

Northern Islands

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

875 MHz

Base Clock

-

928 MHz

Boost Clock

-

1753 MHz

Memory Clock

667 MHz

Memory

3GB

Memory Size

2GB

GDDR5

Memory Type

GDDR3

384bit

Memory Bus

128bit

336.6GB/s

Bandwidth

21.34GB/s

Render Config

-

Compute Units

9

-

2880

Shading Units

720

240

TMUs

36

48

ROPs

16

-

16 KB (per SMX)

L1 Cache

8 KB (per CU)

1536 KB

L2 Cache

256 KB

-

Theoretical Performance

55.68 GPixel/s

Pixel Rate

11.20 GPixel/s

222.7 GTexel/s

Texture Rate

25.20 GTexel/s

-

5.345 TFLOPS

FP32 (float)

1008 GFLOPS

222.7 GFLOPS

FP64 (double)

-

Board Design

250W

TDP

86W

600 W

Suggested PSU

250 W

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

Outputs

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

1x 6-pin + 1x 8-pin

Power Connectors

-

Graphics Processor

GK110B

GPU Name

Juniper

GK110-425-B1

GPU Variant

Juniper LE (215-0754009)

Kepler

Architecture

TeraScale 2

TSMC

Foundry

TSMC

28 nm

Process Size

40 nm

7.08 billion

Transistors

1.04 billion

561 mm²

Die Size

166 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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