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

VS

NVIDIA GeForce GTX 780 Ti 6 GB AMD Radeon R9 390

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

Main Differences

NVIDIA GeForce GTX 780 Ti 6 GB 's Advantages

Boost Clock928MHz

320 additional rendering cores

Lower TDP (250W vs 275W)

AMD Radeon R9 390 's Advantages

More VRAM (8GB vs 6GB)

Larger VRAM bandwidth (384.0GB/s vs 336.6GB/s)

Score

Benchmark

FP32 (float)

GeForce GTX 780 Ti 6 GB +4%

5.345 TFLOPS

Radeon R9 390

5.12 TFLOPS

GeForce GTX 780 Ti 6 GB

VS

Radeon R9 390

Graphics Card

Unknown

Release Date

Jun 2015

GeForce 700

Generation

Pirate 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

1500 MHz

Memory

6GB

Memory Size

8GB

GDDR5

Memory Type

GDDR5

384bit

Memory Bus

512bit

336.6GB/s

Bandwidth

384.0GB/s

Render Config

-

SM Count

-

Compute Units

40

2880

Shading Units

2560

240

TMUs

160

48

ROPs

64

-

Tensor Cores

-

RT Cores

-

16 KB (per SMX)

L1 Cache

16 KB (per CU)

1536 KB

L2 Cache

1024 KB

Theoretical Performance

55.68 GPixel/s

Pixel Rate

64.00 GPixel/s

222.7 GTexel/s

Texture Rate

160.0 GTexel/s

-

FP16 (half)

-

5.345 TFLOPS

FP32 (float)

5.120 TFLOPS

222.7 GFLOPS

FP64 (double)

640.0 GFLOPS

Graphics Processor

GK110B

GPU Name

Grenada

-

GPU Variant

Grenada PRO (215-0880030)

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

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 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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