NVIDIA GeForce GTX 780 Ti vs AMD Radeon R9 285

VS

NVIDIA GeForce GTX 780 Ti

AMD Radeon R9 285

We compared two Desktop platform GPUs: 3GB VRAM GeForce GTX 780 Ti and 2GB VRAM Radeon R9 285 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GTX 780 Ti 's Advantages

Boost Clock928MHz

More VRAM (3GB vs 2GB)

Larger VRAM bandwidth (336.6GB/s vs 176.0GB/s)

1088 additional rendering cores

AMD Radeon R9 285 's Advantages

Released 10 months late

Lower TDP (190W vs 250W)

Score

Benchmark

FP32 (float)

GeForce GTX 780 Ti +62%

5.345 TFLOPS

Radeon R9 285

3.29 TFLOPS

GeForce GTX 780 Ti

VS

Radeon R9 285

Graphics Card

Nov 2013

Release Date

Sep 2014

GeForce 700

Generation

Volcanic Islands

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

875 MHz

Base Clock

-

928 MHz

Boost Clock

-

1753 MHz

Memory Clock

1375 MHz

Memory

3GB

Memory Size

2GB

GDDR5

Memory Type

GDDR5

384bit

Memory Bus

256bit

336.6GB/s

Bandwidth

176.0GB/s

Render Config

-

Compute Units

28

-

2880

Shading Units

1792

240

TMUs

112

48

ROPs

32

-

16 KB (per SMX)

L1 Cache

16 KB (per CU)

1536 KB

L2 Cache

512 KB

-

Theoretical Performance

55.68 GPixel/s

Pixel Rate

29.38 GPixel/s

222.7 GTexel/s

Texture Rate

102.8 GTexel/s

-

FP16 (half)

3.290 TFLOPS

5.345 TFLOPS

FP32 (float)

3.290 TFLOPS

222.7 GFLOPS

FP64 (double)

205.6 GFLOPS

Board Design

250W

TDP

190W

600 W

Suggested PSU

450 W

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

Outputs

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

1x 6-pin + 1x 8-pin

Power Connectors

2x 6-pin

Graphics Processor

GK110B

GPU Name

Tonga

GK110-425-B1

GPU Variant

Tonga PRO (215-0851128)

Kepler

Architecture

GCN 3.0

TSMC

Foundry

TSMC

28 nm

Process Size

28 nm

7.08 billion

Transistors

5 billion

561 mm²

Die Size

366 mm²

Graphics Features

12 (11_1)

DirectX

12 (12_0)

4.6

OpenGL

4.6

3.0

OpenCL

2.1

1.1

Vulkan

1.2.170

3.5

CUDA

-

5.1

Shader Model

6.5

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