NVIDIA GeForce GTX 780 vs AMD Radeon R9 285X

VS

NVIDIA GeForce GTX 780

AMD Radeon R9 285X

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

Main Differences

NVIDIA GeForce GTX 780 's Advantages

Boost Clock902MHz

Larger VRAM bandwidth (288.4GB/s vs 264.0GB/s)

256 additional rendering cores

AMD Radeon R9 285X 's Advantages

Lower TDP (200W vs 250W)

Score

Benchmark

FP32 (float)

GeForce GTX 780 +1%

4.156 TFLOPS

Radeon R9 285X

4.104 TFLOPS

GeForce GTX 780

VS

Radeon R9 285X

Graphics Card

May 2013

Release Date

Unknown

GeForce 700

Generation

Volcanic Islands

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

863 MHz

Base Clock

-

902 MHz

Boost Clock

-

1502 MHz

Memory Clock

1375 MHz

Memory

3GB

Memory Size

3GB

GDDR5

Memory Type

GDDR5

384bit

Memory Bus

384bit

288.4GB/s

Bandwidth

264.0GB/s

Render Config

-

Compute Units

32

-

2304

Shading Units

2048

192

TMUs

128

48

ROPs

32

-

16 KB (per SMX)

L1 Cache

16 KB (per CU)

1536 KB

L2 Cache

768 KB

-

Theoretical Performance

43.30 GPixel/s

Pixel Rate

32.06 GPixel/s

173.2 GTexel/s

Texture Rate

128.3 GTexel/s

-

4.156 TFLOPS

FP32 (float)

4.104 TFLOPS

173.2 GFLOPS

FP64 (double)

-

Board Design

250W

TDP

200W

600 W

Suggested PSU

550 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

1x 6-pin + 1x 8-pin

Graphics Processor

GK110

GPU Name

Tonga

GK110-300-A1

GPU Variant

Tonga XT (215-0851313)

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_0)

DirectX

12 (12_0)

4.6

OpenGL

4.6

3.0

OpenCL

2.0

1.1

Vulkan

1.2

3.5

CUDA

-

5.1

Shader Model

6.3

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