NVIDIA GeForce GTX 780 Ti Engineering Sample vs AMD Radeon R9 Nano

VS

NVIDIA GeForce GTX 780 Ti Engineering Sample

AMD Radeon R9 Nano

We compared two Desktop platform GPUs: 3GB VRAM GeForce GTX 780 Ti Engineering Sample and 4GB VRAM Radeon R9 Nano 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

Boost Clock928MHz

AMD Radeon R9 Nano 's Advantages

More VRAM (4GB vs 3GB)

Larger VRAM bandwidth (512.0GB/s vs 336.6GB/s)

1216 additional rendering cores

Lower TDP (175W vs 250W)

Score

Benchmark

FP32 (float)

GeForce GTX 780 Ti Engineering Sample

5.345 TFLOPS

Radeon R9 Nano +53%

8.192 TFLOPS

GeForce GTX 780 Ti Engineering Sample

VS

Radeon R9 Nano

Graphics Card

Unknown

Release Date

Aug 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

500 MHz

Memory

3GB

Memory Size

4GB

GDDR5

Memory Type

HBM

384bit

Memory Bus

4096bit

336.6GB/s

Bandwidth

512.0GB/s

Render Config

-

Compute Units

64

-

2880

Shading Units

4096

240

TMUs

256

48

ROPs

64

-

16 KB (per SMX)

L1 Cache

16 KB (per CU)

1536 KB

L2 Cache

2 MB

-

Theoretical Performance

55.68 GPixel/s

Pixel Rate

64.00 GPixel/s

222.7 GTexel/s

Texture Rate

256.0 GTexel/s

-

FP16 (half)

8.192 TFLOPS

5.345 TFLOPS

FP32 (float)

8.192 TFLOPS

222.7 GFLOPS

FP64 (double)

512.0 GFLOPS

Board Design

250W

TDP

175W

600 W

Suggested PSU

450 W

2x DVI 1x HDMI 1.4a 1x DisplayPort 1.2

Outputs

1x HDMI 1.4a 3x DisplayPort 1.2

1x 6-pin + 1x 8-pin

Power Connectors

1x 8-pin

Graphics Processor

GK180

GPU Name

Fiji

GK180-425-A1

GPU Variant

Fiji XT CA (215-0862120)

Kepler

Architecture

GCN 3.0

TSMC

Foundry

TSMC

28 nm

Process Size

28 nm

7.08 billion

Transistors

8.9 billion

561 mm²

Die Size

596 mm²

Graphics Features

12 (11_0)

DirectX

12 (12_0)

4.6

OpenGL

4.6

3.0

OpenCL

2.0

1.2.175

Vulkan

1.2

3.5

CUDA

-

5.1

Shader Model

6.3

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