NVIDIA GeForce GTX 780 Rev. 2 vs AMD Radeon Sky 700

VS

NVIDIA GeForce GTX 780 Rev. 2

AMD Radeon Sky 700

We compared two Desktop platform GPUs: 3GB VRAM GeForce GTX 780 Rev. 2 and 6GB VRAM Radeon Sky 700 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 6 months late

Boost Clock902MHz

Larger VRAM bandwidth (288.4GB/s vs 264.0GB/s)

512 additional rendering cores

AMD Radeon Sky 700 's Advantages

More VRAM (6GB vs 3GB)

Lower TDP (225W vs 250W)

Score

Benchmark

FP32 (float)

GeForce GTX 780 Rev. 2 +28%

4.156 TFLOPS

Radeon Sky 700

3.226 TFLOPS

GeForce GTX 780 Rev. 2

VS

Radeon Sky 700

Graphics Card

Sep 2013

Release Date

Mar 2013

GeForce 700

Generation

Radeon Sky

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

863 MHz

Base Clock

-

902 MHz

Boost Clock

-

1502 MHz

Memory Clock

1375 MHz

Memory

3GB

Memory Size

6GB

GDDR5

Memory Type

GDDR5

384bit

Memory Bus

384bit

288.4GB/s

Bandwidth

264.0GB/s

Render Config

-

Compute Units

28

-

2304

Shading Units

1792

192

TMUs

112

48

ROPs

32

-

16 KB (per SMX)

L1 Cache

16 KB (per CU)

1536 KB

L2 Cache

768 KB

-

Theoretical Performance

43.30 GPixel/s

Pixel Rate

28.80 GPixel/s

173.2 GTexel/s

Texture Rate

100.8 GTexel/s

-

4.156 TFLOPS

FP32 (float)

3.226 TFLOPS

173.2 GFLOPS

FP64 (double)

806.4 GFLOPS

Board Design

250W

TDP

225W

600 W

Suggested PSU

550 W

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

Outputs

1x DisplayPort 1.2

1x 6-pin + 1x 8-pin

Power Connectors

1x 8-pin

Graphics Processor

GK110B

GPU Name

Tahiti

GK110-300-B1

GPU Variant

Tahiti PRO GL

Kepler

Architecture

GCN 1.0

TSMC

Foundry

TSMC

28 nm

Process Size

28 nm

7.08 billion

Transistors

4.313 billion

561 mm²

Die Size

352 mm²

Graphics Features

12 (11_1)

DirectX

12 (11_1)

4.6

OpenGL

4.6

3.0

OpenCL

1.2

1.1

Vulkan

1.2

3.5

CUDA

-

5.1

Shader Model

5.1

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