ATI Radeon HD 3870 Mac Edition vs NVIDIA GeForce GTX 780 6 GB

VS

ATI Radeon HD 3870 Mac Edition

NVIDIA GeForce GTX 780 6 GB

We compared two Desktop platform GPUs: 512MB VRAM Radeon HD 3870 Mac Edition and 6GB VRAM GeForce GTX 780 6 GB 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 250W)

NVIDIA GeForce GTX 780 6 GB 's Advantages

Released 5 years and 3 months late

Boost Clock902MHz

More VRAM (6GB vs 512GB)

Larger VRAM bandwidth (288.4GB/s vs 72.06GB/s)

1984 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 3870 Mac Edition

0.497 TFLOPS

GeForce GTX 780 6 GB +736%

4.156 TFLOPS

Radeon HD 3870 Mac Edition

VS

GeForce GTX 780 6 GB

Graphics Card

Jun 2008

Release Date

Sep 2013

Radeon R600

Generation

GeForce 700

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

Base Clock

863 MHz

-

Boost Clock

902 MHz

1126 MHz

Memory Clock

1502 MHz

Memory

512MB

Memory Size

6GB

GDDR4

Memory Type

GDDR5

256bit

Memory Bus

384bit

72.06GB/s

Bandwidth

288.4GB/s

Render Config

4

Compute Units

-

320

Shading Units

2304

16

TMUs

192

16

ROPs

48

-

L1 Cache

16 KB (per SMX)

256 KB

L2 Cache

1536 KB

-

Theoretical Performance

12.43 GPixel/s

Pixel Rate

43.30 GPixel/s

12.43 GTexel/s

Texture Rate

173.2 GTexel/s

-

497.3 GFLOPS

FP32 (float)

4.156 TFLOPS

99.46 GFLOPS

FP64 (double)

173.2 GFLOPS

Board Design

106W

TDP

250W

300 W

Suggested PSU

600 W

2x DVI 1x S-Video

Outputs

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

1x 6-pin

Power Connectors

1x 6-pin + 1x 8-pin

Graphics Processor

RV670

GPU Name

GK110B

RV670 XT (215-0708005)

GPU Variant

GK110-301-B1

TeraScale

Architecture

Kepler

TSMC

Foundry

TSMC

55 nm

Process Size

28 nm

0.666 billion

Transistors

7.08 billion

192 mm²

Die Size

561 mm²

Graphics Features

10.1 (10_1)

DirectX

12 (11_1)

3.3 (full) 4.0 (partial)

OpenGL

4.6

N/A

OpenCL

3.0

N/A

Vulkan

1.1

-

CUDA

3.5

4.1

Shader Model

5.1

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