NVIDIA GeForce GTX 780 Rev. 2 vs AMD Radeon HD 6770

VS

NVIDIA GeForce GTX 780 Rev. 2

AMD Radeon HD 6770

We compared two Desktop platform GPUs: 3GB VRAM GeForce GTX 780 Rev. 2 and 1024MB VRAM Radeon HD 6770 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GTX 780 Rev. 2 's Advantages

Released 2 years and 8 months late

Boost Clock902MHz

More VRAM (3GB vs 1024GB)

Larger VRAM bandwidth (288.4GB/s vs 76.80GB/s)

1504 additional rendering cores

AMD Radeon HD 6770 's Advantages

Lower TDP (108W vs 250W)

Score

Benchmark

FP32 (float)

GeForce GTX 780 Rev. 2 +205%

4.156 TFLOPS

Radeon HD 6770

1.36 TFLOPS

GeForce GTX 780 Rev. 2

VS

Radeon HD 6770

Graphics Card

Sep 2013

Release Date

Jan 2011

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

1200 MHz

Memory

3GB

Memory Size

1024MB

GDDR5

Memory Type

GDDR5

384bit

Memory Bus

128bit

288.4GB/s

Bandwidth

76.80GB/s

Render Config

-

Compute Units

10

-

2304

Shading Units

800

192

TMUs

40

48

ROPs

16

-

16 KB (per SMX)

L1 Cache

8 KB (per CU)

1536 KB

L2 Cache

256 KB

-

Theoretical Performance

43.30 GPixel/s

Pixel Rate

13.60 GPixel/s

173.2 GTexel/s

Texture Rate

34.00 GTexel/s

-

4.156 TFLOPS

FP32 (float)

1360 GFLOPS

173.2 GFLOPS

FP64 (double)

-

Board Design

250W

TDP

108W

600 W

Suggested PSU

300 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

1x 6-pin

Graphics Processor

GK110B

GPU Name

Juniper

GK110-300-B1

GPU Variant

Juniper XT (215-0754013)

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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