NVIDIA GeForce GTX 680 Mac Edition vs ATI Radeon HD 3870 Mac Edition

VS

NVIDIA GeForce GTX 680 Mac Edition

ATI Radeon HD 3870 Mac Edition

We compared two Desktop platform GPUs: 2GB VRAM GeForce GTX 680 Mac Edition and 512MB VRAM Radeon HD 3870 Mac Edition 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 4 years and 10 months late

Boost Clock1058MHz

More VRAM (2GB vs 512GB)

Larger VRAM bandwidth (192.3GB/s vs 72.06GB/s)

1216 additional rendering cores

ATI Radeon HD 3870 Mac Edition 's Advantages

Lower TDP (106W vs 195W)

Score

Benchmark

FP32 (float)

GeForce GTX 680 Mac Edition +553%

3.25 TFLOPS

Radeon HD 3870 Mac Edition

0.497 TFLOPS

GeForce GTX 680 Mac Edition

VS

Radeon HD 3870 Mac Edition

Graphics Card

Apr 2013

Release Date

Jun 2008

GeForce 600

Generation

Radeon R600

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

1126 MHz

Memory

2GB

Memory Size

512MB

GDDR5

Memory Type

GDDR4

256bit

Memory Bus

256bit

192.3GB/s

Bandwidth

72.06GB/s

Render Config

-

Compute Units

4

-

1536

Shading Units

320

128

TMUs

16

32

ROPs

16

-

16 KB (per SMX)

L1 Cache

-

512 KB

L2 Cache

256 KB

-

Theoretical Performance

33.86 GPixel/s

Pixel Rate

12.43 GPixel/s

135.4 GTexel/s

Texture Rate

12.43 GTexel/s

-

3.250 TFLOPS

FP32 (float)

497.3 GFLOPS

135.4 GFLOPS

FP64 (double)

99.46 GFLOPS

Board Design

195W

TDP

106W

450 W

Suggested PSU

300 W

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

Outputs

2x DVI 1x S-Video

2x 6-pin

Power Connectors

1x 6-pin

Graphics Processor

GK104

GPU Name

RV670

GK104-400-A2

GPU Variant

RV670 XT (215-0708005)

Kepler

Architecture

TeraScale

TSMC

Foundry

TSMC

28 nm

Process Size

55 nm

3.54 billion

Transistors

0.666 billion

294 mm²

Die Size

192 mm²

Graphics Features

12 (11_0)

DirectX

10.1 (10_1)

4.6

OpenGL

3.3 (full) 4.0 (partial)

3.0

OpenCL

N/A

1.1

Vulkan

N/A

3.0

CUDA

-

5.1

Shader Model

4.1

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