NVIDIA GeForce GTX 780 Rev. 2 vs NVIDIA GeForce GTX 980

VS

NVIDIA GeForce GTX 780 Rev. 2

NVIDIA GeForce GTX 980

We compared two Desktop platform GPUs: 3GB VRAM GeForce GTX 780 Rev. 2 and 4GB VRAM GeForce GTX 980 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GTX 780 Rev. 2 's Advantages

Larger VRAM bandwidth (288.4GB/s vs 224.4GB/s)

256 additional rendering cores

NVIDIA GeForce GTX 980 's Advantages

Released 1 years late

Boost Clock has increased by 35% (1216MHz vs 902MHz)

More VRAM (4GB vs 3GB)

Lower TDP (165W vs 250W)

Score

Benchmark

FP32 (float)

GeForce GTX 780 Rev. 2

4.156 TFLOPS

GeForce GTX 980 +19%

4.981 TFLOPS

GeForce GTX 780 Rev. 2

VS

GeForce GTX 980

Graphics Card

Sep 2013

Release Date

Sep 2014

GeForce 700

Generation

GeForce 900

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

863 MHz

Base Clock

1127 MHz

902 MHz

Boost Clock

1216 MHz

1502 MHz

Memory Clock

1753 MHz

Memory

3GB

Memory Size

4GB

GDDR5

Memory Type

GDDR5

384bit

Memory Bus

256bit

288.4GB/s

Bandwidth

224.4GB/s

Render Config

-

2304

Shading Units

2048

192

TMUs

128

48

ROPs

64

-

16 KB (per SMX)

L1 Cache

48 KB (per SMM)

1536 KB

L2 Cache

2 MB

-

Theoretical Performance

43.30 GPixel/s

Pixel Rate

77.82 GPixel/s

173.2 GTexel/s

Texture Rate

155.6 GTexel/s

-

4.156 TFLOPS

FP32 (float)

4.981 TFLOPS

173.2 GFLOPS

FP64 (double)

155.6 GFLOPS

Board Design

250W

TDP

165W

600 W

Suggested PSU

450 W

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

Outputs

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

1x 6-pin + 1x 8-pin

Power Connectors

2x 6-pin

Graphics Processor

GK110B

GPU Name

GM204

GK110-300-B1

GPU Variant

GM204-400-A1

Kepler

Architecture

Maxwell 2.0

TSMC

Foundry

TSMC

28 nm

Process Size

28 nm

7.08 billion

Transistors

5.2 billion

561 mm²

Die Size

398 mm²

Graphics Features

12 (11_1)

DirectX

12 (12_1)

4.6

OpenGL

4.6

3.0

OpenCL

3.0

1.1

Vulkan

1.3

3.5

CUDA

5.2

5.1

Shader Model

6.4

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