NVIDIA GeForce GTX 680 Mac Edition vs AMD Radeon HD 6850

VS

NVIDIA GeForce GTX 680 Mac Edition

AMD Radeon HD 6850

We compared two Desktop platform GPUs: 2GB VRAM GeForce GTX 680 Mac Edition and 1024MB VRAM Radeon HD 6850 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GTX 680 Mac Edition 's Advantages

Released 2 years and 6 months late

Boost Clock1058MHz

More VRAM (2GB vs 1024GB)

Larger VRAM bandwidth (192.3GB/s vs 128.0GB/s)

576 additional rendering cores

AMD Radeon HD 6850 's Advantages

Lower TDP (127W vs 195W)

Score

Benchmark

FP32 (float)

GeForce GTX 680 Mac Edition +118%

3.25 TFLOPS

Radeon HD 6850

1.488 TFLOPS

GeForce GTX 680 Mac Edition

VS

Radeon HD 6850

Graphics Card

Apr 2013

Release Date

Oct 2010

GeForce 600

Generation

Northern Islands

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

1006 MHz

Base Clock

-

1058 MHz

Boost Clock

-

1502 MHz

Memory Clock

1000 MHz

Memory

2GB

Memory Size

1024MB

GDDR5

Memory Type

GDDR5

256bit

Memory Bus

256bit

192.3GB/s

Bandwidth

128.0GB/s

Render Config

-

Compute Units

12

-

1536

Shading Units

960

128

TMUs

48

32

ROPs

32

-

16 KB (per SMX)

L1 Cache

8 KB (per CU)

512 KB

L2 Cache

512 KB

-

Theoretical Performance

33.86 GPixel/s

Pixel Rate

24.80 GPixel/s

135.4 GTexel/s

Texture Rate

37.20 GTexel/s

-

3.250 TFLOPS

FP32 (float)

1488 GFLOPS

135.4 GFLOPS

FP64 (double)

-

Board Design

195W

TDP

127W

450 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

2x 6-pin

Power Connectors

1x 6-pin

Graphics Processor

GK104

GPU Name

Barts

GK104-400-A2

GPU Variant

Barts PRO (215-0798006)

Kepler

Architecture

TeraScale 2

TSMC

Foundry

TSMC

28 nm

Process Size

40 nm

3.54 billion

Transistors

1.7 billion

294 mm²

Die Size

255 mm²

Graphics Features

12 (11_0)

DirectX

11.2 (11_0)

4.6

OpenGL

4.4

3.0

OpenCL

1.2

1.1

Vulkan

N/A

3.0

CUDA

-

5.1

Shader Model

5.0

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