ATI Radeon HD 3870 Mac Edition vs NVIDIA GeForce GTX 680

VS

ATI Radeon HD 3870 Mac Edition

NVIDIA GeForce GTX 680

We compared two Desktop platform GPUs: 512MB VRAM Radeon HD 3870 Mac Edition and 2GB VRAM GeForce GTX 680 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

ATI Radeon HD 3870 Mac Edition 's Advantages

Lower TDP (106W vs 195W)

NVIDIA GeForce GTX 680 's Advantages

Released 3 years and 9 months late

Boost Clock1058MHz

More VRAM (2GB vs 512GB)

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

1216 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 3870 Mac Edition

0.497 TFLOPS

GeForce GTX 680 +553%

3.25 TFLOPS

Radeon HD 3870 Mac Edition

VS

GeForce GTX 680

Graphics Card

Jun 2008

Release Date

Mar 2012

Radeon R600

Generation

GeForce 600

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

Base Clock

1006 MHz

-

Boost Clock

1058 MHz

1126 MHz

Memory Clock

1502 MHz

Memory

512MB

Memory Size

2GB

GDDR4

Memory Type

GDDR5

256bit

Memory Bus

256bit

72.06GB/s

Bandwidth

192.3GB/s

Render Config

4

Compute Units

-

320

Shading Units

1536

16

TMUs

128

16

ROPs

32

-

L1 Cache

16 KB (per SMX)

256 KB

L2 Cache

512 KB

-

Theoretical Performance

12.43 GPixel/s

Pixel Rate

33.86 GPixel/s

12.43 GTexel/s

Texture Rate

135.4 GTexel/s

-

497.3 GFLOPS

FP32 (float)

3.250 TFLOPS

99.46 GFLOPS

FP64 (double)

135.4 GFLOPS

Board Design

106W

TDP

195W

300 W

Suggested PSU

450 W

2x DVI 1x S-Video

Outputs

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

1x 6-pin

Power Connectors

2x 6-pin

Graphics Processor

RV670

GPU Name

GK104

RV670 XT (215-0708005)

GPU Variant

GK104-400-A2

TeraScale

Architecture

Kepler

TSMC

Foundry

TSMC

55 nm

Process Size

28 nm

0.666 billion

Transistors

3.54 billion

192 mm²

Die Size

294 mm²

Graphics Features

10.1 (10_1)

DirectX

12 (11_0)

3.3 (full) 4.0 (partial)

OpenGL

4.6

N/A

OpenCL

3.0

N/A

Vulkan

1.1

-

CUDA

3.0

4.1

Shader Model

5.1

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