NVIDIA GeForce GTX 980 vs NVIDIA GeForce GTX 780 Ti Engineering Sample

VS

NVIDIA GeForce GTX 980

NVIDIA GeForce GTX 780 Ti Engineering Sample

We compared two Desktop platform GPUs: 4GB VRAM GeForce GTX 980 and 3GB VRAM GeForce GTX 780 Ti Engineering Sample to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GTX 980 's Advantages

Boost Clock has increased by 31% (1216MHz vs 928MHz)

More VRAM (4GB vs 3GB)

Lower TDP (165W vs 250W)

NVIDIA GeForce GTX 780 Ti Engineering Sample 's Advantages

Larger VRAM bandwidth (336.6GB/s vs 224.4GB/s)

832 additional rendering cores

Score

Benchmark

FP32 (float)

GeForce GTX 980

4.981 TFLOPS

GeForce GTX 780 Ti Engineering Sample +7%

5.345 TFLOPS

GeForce GTX 980

VS

GeForce GTX 780 Ti Engineering Sample

Graphics Card

Sep 2014

Release Date

Unknown

GeForce 900

Generation

GeForce 700

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

1127 MHz

Base Clock

875 MHz

1216 MHz

Boost Clock

928 MHz

1753 MHz

Memory Clock

1753 MHz

Memory

4GB

Memory Size

3GB

GDDR5

Memory Type

GDDR5

256bit

Memory Bus

384bit

224.4GB/s

Bandwidth

336.6GB/s

Render Config

-

2048

Shading Units

2880

128

TMUs

240

64

ROPs

48

-

48 KB (per SMM)

L1 Cache

16 KB (per SMX)

2 MB

L2 Cache

1536 KB

-

Theoretical Performance

77.82 GPixel/s

Pixel Rate

55.68 GPixel/s

155.6 GTexel/s

Texture Rate

222.7 GTexel/s

-

4.981 TFLOPS

FP32 (float)

5.345 TFLOPS

155.6 GFLOPS

FP64 (double)

222.7 GFLOPS

Board Design

165W

TDP

250W

450 W

Suggested PSU

600 W

1x DVI 1x HDMI 2.0 3x DisplayPort 1.4a

Outputs

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

2x 6-pin

Power Connectors

1x 6-pin + 1x 8-pin

Graphics Processor

GM204

GPU Name

GK180

GM204-400-A1

GPU Variant

GK180-425-A1

Maxwell 2.0

Architecture

Kepler

TSMC

Foundry

TSMC

28 nm

Process Size

28 nm

5.2 billion

Transistors

7.08 billion

398 mm²

Die Size

561 mm²

Graphics Features

12 (12_1)

DirectX

12 (11_0)

4.6

OpenGL

4.6

3.0

OpenCL

3.0

1.3

Vulkan

1.2.175

5.2

CUDA

3.5

6.4

Shader Model

5.1

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