NVIDIA GeForce GTX 780 Ti Engineering Sample vs AMD Radeon R9 270X

VS

NVIDIA GeForce GTX 780 Ti Engineering Sample

AMD Radeon R9 270X

We compared two Desktop platform GPUs: 3GB VRAM GeForce GTX 780 Ti Engineering Sample and 2GB VRAM Radeon R9 270X to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GTX 780 Ti Engineering Sample 's Advantages

More VRAM (3GB vs 2GB)

Larger VRAM bandwidth (336.6GB/s vs 179.2GB/s)

1600 additional rendering cores

AMD Radeon R9 270X 's Advantages

Boost Clock has increased by 13% (1050MHz vs 928MHz)

Lower TDP (180W vs 250W)

Score

Benchmark

FP32 (float)

GeForce GTX 780 Ti Engineering Sample +98%

5.345 TFLOPS

Radeon R9 270X

2.688 TFLOPS

GeForce GTX 780 Ti Engineering Sample

VS

Radeon R9 270X

Graphics Card

Unknown

Release Date

Oct 2013

GeForce 700

Generation

Volcanic Islands

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

875 MHz

Base Clock

1000 MHz

928 MHz

Boost Clock

1050 MHz

1753 MHz

Memory Clock

1400 MHz

Memory

3GB

Memory Size

2GB

GDDR5

Memory Type

GDDR5

384bit

Memory Bus

256bit

336.6GB/s

Bandwidth

179.2GB/s

Render Config

-

Compute Units

20

-

2880

Shading Units

1280

240

TMUs

80

48

ROPs

32

-

16 KB (per SMX)

L1 Cache

16 KB (per CU)

1536 KB

L2 Cache

512 KB

-

Theoretical Performance

55.68 GPixel/s

Pixel Rate

33.60 GPixel/s

222.7 GTexel/s

Texture Rate

84.00 GTexel/s

-

5.345 TFLOPS

FP32 (float)

2.688 TFLOPS

222.7 GFLOPS

FP64 (double)

168.0 GFLOPS

Board Design

250W

TDP

180W

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

2x 6-pin

Graphics Processor

GK180

GPU Name

Curacao

GK180-425-A1

GPU Variant

Curacao XT (215-0848004)

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_0)

DirectX

12 (11_1)

4.6

OpenGL

4.6

3.0

OpenCL

1.2

1.2.175

Vulkan

1.2

3.5

CUDA

-

5.1

Shader Model

5.1

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