NVIDIA GeForce GTX TITAN BLACK vs NVIDIA GeForce GT 640

VS

NVIDIA GeForce GTX TITAN BLACK

NVIDIA GeForce GT 640

We compared two Desktop platform GPUs: 6GB VRAM GeForce GTX TITAN BLACK and 2GB VRAM GeForce GT 640 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GTX TITAN BLACK 's Advantages

Released 1 years and 8 months late

Boost Clock980MHz

More VRAM (6GB vs 2GB)

Larger VRAM bandwidth (336.0GB/s vs 28.51GB/s)

2496 additional rendering cores

NVIDIA GeForce GT 640 's Advantages

Lower TDP (65W vs 250W)

Score

Benchmark

FP32 (float)

GeForce GTX TITAN BLACK +714%

5.645 TFLOPS

GeForce GT 640

0.693 TFLOPS

Blender

GeForce GTX TITAN BLACK +1246%

431

GeForce GT 640

32

OctaneBench

GeForce GTX TITAN BLACK +1187%

103

GeForce GT 640

8

GeForce GTX TITAN BLACK

VS

GeForce GT 640

Graphics Card

Feb 2014

Release Date

Jun 2012

GeForce 700

Generation

GeForce 600

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

889 MHz

Base Clock

-

980 MHz

Boost Clock

-

1750 MHz

Memory Clock

891 MHz

Memory

6GB

Memory Size

2GB

GDDR5

Memory Type

DDR3

384bit

Memory Bus

128bit

336.0GB/s

Bandwidth

28.51GB/s

Render Config

-

2880

Shading Units

384

240

TMUs

32

48

ROPs

16

-

16 KB (per SMX)

L1 Cache

16 KB (per SMX)

1536 KB

L2 Cache

256 KB

-

Theoretical Performance

58.80 GPixel/s

Pixel Rate

7.216 GPixel/s

235.2 GTexel/s

Texture Rate

28.86 GTexel/s

-

5.645 TFLOPS

FP32 (float)

692.7 GFLOPS

1.882 TFLOPS

FP64 (double)

28.86 GFLOPS

Board Design

250W

TDP

65W

600 W

Suggested PSU

250 W

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

Outputs

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

1x 6-pin + 1x 8-pin

Power Connectors

None

Graphics Processor

GK110B

GPU Name

GK107

GK110-430-B1

GPU Variant

GK107-300-A2

Kepler

Architecture

Kepler

TSMC

Foundry

TSMC

28 nm

Process Size

28 nm

7.08 billion

Transistors

1.27 billion

561 mm²

Die Size

118 mm²

Graphics Features

12 (11_1)

DirectX

12 (11_0)

4.6

OpenGL

4.6

3.0

OpenCL

3.0

1.1

Vulkan

1.1

3.5

CUDA

3.0

5.1

Shader Model

5.1

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