AMD Radeon HD 6770 vs NVIDIA GeForce GTX 780 6 GB

VS

AMD Radeon HD 6770

NVIDIA GeForce GTX 780 6 GB

We compared two Desktop platform GPUs: 1024MB VRAM Radeon HD 6770 and 6GB VRAM GeForce GTX 780 6 GB to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 6770 's Advantages

Lower TDP (108W vs 250W)

NVIDIA GeForce GTX 780 6 GB 's Advantages

Released 2 years and 8 months late

Boost Clock902MHz

More VRAM (6GB vs 1024GB)

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

1504 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 6770

1.36 TFLOPS

GeForce GTX 780 6 GB +205%

4.156 TFLOPS

Radeon HD 6770

VS

GeForce GTX 780 6 GB

Graphics Card

Jan 2011

Release Date

Sep 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

1200 MHz

Memory Clock

1502 MHz

Memory

1024MB

Memory Size

6GB

GDDR5

Memory Type

GDDR5

128bit

Memory Bus

384bit

76.80GB/s

Bandwidth

288.4GB/s

Render Config

10

Compute Units

-

800

Shading Units

2304

40

TMUs

192

16

ROPs

48

-

8 KB (per CU)

L1 Cache

16 KB (per SMX)

256 KB

L2 Cache

1536 KB

-

Theoretical Performance

13.60 GPixel/s

Pixel Rate

43.30 GPixel/s

34.00 GTexel/s

Texture Rate

173.2 GTexel/s

-

1360 GFLOPS

FP32 (float)

4.156 TFLOPS

-

FP64 (double)

173.2 GFLOPS

Board Design

108W

TDP

250W

300 W

Suggested PSU

600 W

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

Outputs

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

1x 6-pin

Power Connectors

1x 6-pin + 1x 8-pin

Graphics Processor

Juniper

GPU Name

GK110B

Juniper XT (215-0754013)

GPU Variant

GK110-301-B1

TeraScale 2

Architecture

Kepler

TSMC

Foundry

TSMC

40 nm

Process Size

28 nm

1.04 billion

Transistors

7.08 billion

166 mm²

Die Size

561 mm²

Graphics Features

11.2 (11_0)

DirectX

12 (11_1)

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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