AMD Radeon R9 390 vs NVIDIA GeForce GTX 780

VS

AMD Radeon R9 390 NVIDIA GeForce GTX 780

We compared two Desktop platform GPUs: 8GB VRAM Radeon R9 390 and 3GB VRAM GeForce GTX 780 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon R9 390 's Advantages

Released 2 years and 1 months late

More VRAM (8GB vs 3GB)

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

256 additional rendering cores

NVIDIA GeForce GTX 780 's Advantages

Boost Clock902MHz

Lower TDP (250W vs 275W)

Score

Benchmark

FP32 (float)

Radeon R9 390 +23%

5.12 TFLOPS

GeForce GTX 780

4.156 TFLOPS

3DMark Time Spy

Radeon R9 390 +42%

3955

GeForce GTX 780

2784

Radeon R9 390

VS

GeForce GTX 780

Graphics Card

Jun 2015

Release Date

May 2013

Pirate Islands

Generation

GeForce 700

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

Base Clock

863 MHz

-

Boost Clock

902 MHz

1500 MHz

Memory Clock

1502 MHz

Memory

8GB

Memory Size

3GB

GDDR5

Memory Type

GDDR5

512bit

Memory Bus

384bit

384.0GB/s

Bandwidth

288.4GB/s

Render Config

-

SM Count

-

40

Compute Units

-

2560

Shading Units

2304

160

TMUs

192

64

ROPs

48

-

Tensor Cores

-

RT Cores

-

16 KB (per CU)

L1 Cache

16 KB (per SMX)

1024 KB

L2 Cache

1536 KB

Theoretical Performance

64.00 GPixel/s

Pixel Rate

43.30 GPixel/s

160.0 GTexel/s

Texture Rate

173.2 GTexel/s

-

FP16 (half)

-

5.120 TFLOPS

FP32 (float)

4.156 TFLOPS

640.0 GFLOPS

FP64 (double)

173.2 GFLOPS

Graphics Processor

Grenada

GPU Name

GK110

Grenada PRO (215-0880030)

GPU Variant

GK110-300-A1

GCN 2.0

Architecture

Kepler

TSMC

Foundry

TSMC

28 nm

Process Size

28 nm

6.2 billion

Transistors

7.08 billion

438 mm²

Die Size

561 mm²

Board Design

275W

TDP

250W

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 Features

12 (12_0)

DirectX

12 (11_0)

4.6

OpenGL

4.6

2.0

OpenCL

3.0

1.2

Vulkan

1.1

-

CUDA

3.5

6.3

Shader Model

5.1

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