NVIDIA GeForce GTX 680 vs AMD Radeon Sky 700

VS

NVIDIA GeForce GTX 680

AMD Radeon Sky 700

We compared two Desktop platform GPUs: 2GB VRAM GeForce GTX 680 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 680 's Advantages

Boost Clock1058MHz

Lower TDP (195W vs 225W)

AMD Radeon Sky 700 's Advantages

Released 1 years late

More VRAM (6GB vs 2GB)

Larger VRAM bandwidth (264.0GB/s vs 192.3GB/s)

256 additional rendering cores

Score

Benchmark

FP32 (float)

GeForce GTX 680

3.25 TFLOPS

Radeon Sky 700

3.226 TFLOPS

GeForce GTX 680

VS

Radeon Sky 700

Graphics Card

Mar 2012

Release Date

Mar 2013

GeForce 600

Generation

Radeon Sky

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

1006 MHz

Base Clock

-

1058 MHz

Boost Clock

-

1502 MHz

Memory Clock

1375 MHz

Memory

2GB

Memory Size

6GB

GDDR5

Memory Type

GDDR5

256bit

Memory Bus

384bit

192.3GB/s

Bandwidth

264.0GB/s

Render Config

-

Compute Units

28

-

1536

Shading Units

1792

128

TMUs

112

32

ROPs

32

-

16 KB (per SMX)

L1 Cache

16 KB (per CU)

512 KB

L2 Cache

768 KB

-

Theoretical Performance

33.86 GPixel/s

Pixel Rate

28.80 GPixel/s

135.4 GTexel/s

Texture Rate

100.8 GTexel/s

-

3.250 TFLOPS

FP32 (float)

3.226 TFLOPS

135.4 GFLOPS

FP64 (double)

806.4 GFLOPS

Board Design

195W

TDP

225W

450 W

Suggested PSU

550 W

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

Outputs

1x DisplayPort 1.2

2x 6-pin

Power Connectors

1x 8-pin

Graphics Processor

GK104

GPU Name

Tahiti

GK104-400-A2

GPU Variant

Tahiti PRO GL

Kepler

Architecture

GCN 1.0

TSMC

Foundry

TSMC

28 nm

Process Size

28 nm

3.54 billion

Transistors

4.313 billion

294 mm²

Die Size

352 mm²

Graphics Features

12 (11_0)

DirectX

12 (11_1)

4.6

OpenGL

4.6

3.0

OpenCL

1.2

1.1

Vulkan

1.2

3.0

CUDA

-

5.1

Shader Model

5.1

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