NVIDIA GeForce GTX 780 6 GB vs AMD Radeon R9 390X

VS

NVIDIA GeForce GTX 780 6 GB

AMD Radeon R9 390X

We compared two Desktop platform GPUs: 6GB VRAM GeForce GTX 780 6 GB and 8GB VRAM Radeon R9 390X to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GTX 780 6 GB 's Advantages

Boost Clock902MHz

Lower TDP (250W vs 275W)

AMD Radeon R9 390X 's Advantages

Released 1 years and 9 months late

More VRAM (8GB vs 6GB)

Larger VRAM bandwidth (384.0GB/s vs 288.4GB/s)

512 additional rendering cores

Score

Benchmark

FP32 (float)

GeForce GTX 780 6 GB

4.156 TFLOPS

Radeon R9 390X +42%

5.914 TFLOPS

GeForce GTX 780 6 GB

VS

Radeon R9 390X

Graphics Card

Sep 2013

Release Date

Jun 2015

GeForce 700

Generation

Pirate 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

1500 MHz

Memory

6GB

Memory Size

8GB

GDDR5

Memory Type

GDDR5

384bit

Memory Bus

512bit

288.4GB/s

Bandwidth

384.0GB/s

Render Config

-

Compute Units

44

-

2304

Shading Units

2816

192

TMUs

176

48

ROPs

64

-

16 KB (per SMX)

L1 Cache

16 KB (per CU)

1536 KB

L2 Cache

1024 KB

-

Theoretical Performance

43.30 GPixel/s

Pixel Rate

67.20 GPixel/s

173.2 GTexel/s

Texture Rate

184.8 GTexel/s

-

4.156 TFLOPS

FP32 (float)

5.914 TFLOPS

173.2 GFLOPS

FP64 (double)

739.2 GFLOPS

Board Design

250W

TDP

275W

600 W

Suggested PSU

600 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

GK110B

GPU Name

Grenada

GK110-301-B1

GPU Variant

Grenada XT (215-0880004)

Kepler

Architecture

GCN 2.0

TSMC

Foundry

TSMC

28 nm

Process Size

28 nm

7.08 billion

Transistors

6.2 billion

561 mm²

Die Size

438 mm²

Graphics Features

12 (11_1)

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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