AMD Radeon HD 6670 vs NVIDIA GeForce GTX 780

VS

AMD Radeon HD 6670

NVIDIA GeForce GTX 780

We compared two Desktop platform GPUs: 1024MB VRAM Radeon HD 6670 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 6670 's Advantages

Lower TDP (66W vs 250W)

NVIDIA GeForce GTX 780 's Advantages

Released 2 years and 1 months late

Boost Clock902MHz

More VRAM (3GB vs 1024GB)

Larger VRAM bandwidth (288.4GB/s vs 64.00GB/s)

1824 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 6670

0.768 TFLOPS

GeForce GTX 780 +441%

4.156 TFLOPS

Radeon HD 6670

VS

GeForce GTX 780

Graphics Card

Apr 2011

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

128bit

Memory Bus

384bit

64.00GB/s

Bandwidth

288.4GB/s

Render Config

6

Compute Units

-

480

Shading Units

2304

24

TMUs

192

8

ROPs

48

-

8 KB (per CU)

L1 Cache

16 KB (per SMX)

256 KB

L2 Cache

1536 KB

-

Theoretical Performance

6.400 GPixel/s

Pixel Rate

43.30 GPixel/s

19.20 GTexel/s

Texture Rate

173.2 GTexel/s

-

768.0 GFLOPS

FP32 (float)

4.156 TFLOPS

-

FP64 (double)

173.2 GFLOPS

Board Design

66W

TDP

250W

250 W

Suggested PSU

600 W

1x DVI 1x HDMI 1.3a 1x VGA

Outputs

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

None

Power Connectors

1x 6-pin + 1x 8-pin

Graphics Processor

Turks

GPU Name

GK110

Turks XT (215-0803000)

GPU Variant

GK110-300-A1

TeraScale 2

Architecture

Kepler

TSMC

Foundry

TSMC

40 nm

Process Size

28 nm

0.716 billion

Transistors

7.08 billion

118 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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