NVIDIA GeForce GTX 780 6 GB vs AMD Radeon R9 270

VS

NVIDIA GeForce GTX 780 6 GB

AMD Radeon R9 270

We compared two Desktop platform GPUs: 6GB VRAM GeForce GTX 780 6 GB and 2GB VRAM Radeon R9 270 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

More VRAM (6GB vs 2GB)

Larger VRAM bandwidth (288.4GB/s vs 179.2GB/s)

1024 additional rendering cores

AMD Radeon R9 270 's Advantages

Boost Clock has increased by 3% (925MHz vs 902MHz)

Lower TDP (150W vs 250W)

Score

Benchmark

FP32 (float)

GeForce GTX 780 6 GB +75%

4.156 TFLOPS

Radeon R9 270

2.368 TFLOPS

GeForce GTX 780 6 GB

VS

Radeon R9 270

Graphics Card

Sep 2013

Release Date

Nov 2013

GeForce 700

Generation

Volcanic Islands

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

863 MHz

Base Clock

900 MHz

902 MHz

Boost Clock

925 MHz

1502 MHz

Memory Clock

1400 MHz

Memory

6GB

Memory Size

2GB

GDDR5

Memory Type

GDDR5

384bit

Memory Bus

256bit

288.4GB/s

Bandwidth

179.2GB/s

Render Config

-

Compute Units

20

-

2304

Shading Units

1280

192

TMUs

80

48

ROPs

32

-

16 KB (per SMX)

L1 Cache

16 KB (per CU)

1536 KB

L2 Cache

512 KB

-

Theoretical Performance

43.30 GPixel/s

Pixel Rate

29.60 GPixel/s

173.2 GTexel/s

Texture Rate

74.00 GTexel/s

-

4.156 TFLOPS

FP32 (float)

2.368 TFLOPS

173.2 GFLOPS

FP64 (double)

148.0 GFLOPS

Board Design

250W

TDP

150W

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

1x 6-pin

Graphics Processor

GK110B

GPU Name

Curacao

GK110-301-B1

GPU Variant

Curacao PRO (215-0848000)

Kepler

Architecture

GCN 1.0

TSMC

Foundry

TSMC

28 nm

Process Size

28 nm

7.08 billion

Transistors

2.8 billion

561 mm²

Die Size

212 mm²

Graphics Features

12 (11_1)

DirectX

12 (11_1)

4.6

OpenGL

4.6

3.0

OpenCL

1.2

1.1

Vulkan

1.2

3.5

CUDA

-

5.1

Shader Model

5.1

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