NVIDIA GeForce GTX 780 Ti 6 GB vs NVIDIA GeForce GT 640 OEM

VS

NVIDIA GeForce GTX 780 Ti 6 GB

NVIDIA GeForce GT 640 OEM

We compared two Desktop platform GPUs: 6GB VRAM GeForce GTX 780 Ti 6 GB and 2GB VRAM GeForce GT 640 OEM to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GTX 780 Ti 6 GB 's Advantages

Boost Clock928MHz

More VRAM (6GB vs 2GB)

Larger VRAM bandwidth (336.6GB/s vs 28.51GB/s)

2496 additional rendering cores

NVIDIA GeForce GT 640 OEM 's Advantages

Lower TDP (50W vs 250W)

Score

Benchmark

FP32 (float)

GeForce GTX 780 Ti 6 GB +773%

5.345 TFLOPS

GeForce GT 640 OEM

0.612 TFLOPS

GeForce GTX 780 Ti 6 GB

VS

GeForce GT 640 OEM

Graphics Card

Unknown

Release Date

Apr 2012

GeForce 700

Generation

GeForce 600

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

891 MHz

Memory

6GB

Memory Size

2GB

GDDR5

Memory Type

DDR3

384bit

Memory Bus

128bit

336.6GB/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

55.68 GPixel/s

Pixel Rate

6.376 GPixel/s

222.7 GTexel/s

Texture Rate

25.50 GTexel/s

-

5.345 TFLOPS

FP32 (float)

612.1 GFLOPS

222.7 GFLOPS

FP64 (double)

25.50 GFLOPS

Board Design

250W

TDP

50W

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

-

GPU Variant

GK107-320-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

Related GPU Comparisons

1

NVIDIA GeForce GTX 780 Ti 6 GB vs NVIDIA GeForce GTX 950 OEM

2

NVIDIA GeForce GTX 780 Ti 6 GB vs AMD Radeon HD 7770 GHz Edition

3

NVIDIA GeForce GTX 780 Ti 6 GB vs NVIDIA GeForce GTX 470 PhysX Edition

4

NVIDIA GeForce GTX 780 Ti 6 GB vs NVIDIA NVS 1000

5

NVIDIA GeForce GTX 780 Ti 6 GB vs AMD Radeon RX Vega Nano

6

NVIDIA GeForce GTX 780 Ti 6 GB vs NVIDIA GeForce RTX 3070 TiM

7

NVIDIA GeForce GTX 780 Ti 6 GB vs NVIDIA GeForce GTX 680 Mac Edition

8

NVIDIA GeForce GTX 780 Ti 6 GB vs AMD Radeon HD 7870 XT

9

NVIDIA GeForce GTX 780 Ti 6 GB vs NVIDIA GeForce RTX 5090

10

NVIDIA GeForce GTX 780 Ti 6 GB vs AMD FirePro W7000

Related News

1

Intel's Entry-Level CPU Core Ultra 3 205 Spotted: Only One Model Available

2

Introducing the AMD Ryzen 9 9955HX: A First Look at the Flagship Gaming Laptop CPU

3

AMD's Thunderous Strike: Ryzen 9 9950X3D Performance Scores Revealed for the First Time!

4

Continuous Decline in DRAM Memory Prices: Downward Trend Intensifies

5

NVIDIA GB202 Chip Unveiled for the First Time, to be Used in RTX 5090 with 512-bit GDDR7 Memory

6

Strix Halo Integrated Graphics Score Appears on Passmark, Currently Slightly Below RTX 3060 12GB

7

AMD Unveils New RX 9070 XT Graphics Card Performance: Positioned Between RX 7900 GRE and RX 7900 XT

8

Double the Excitement! AMD FSR 4.0 to Launch Alongside RX 9070 XT Graphics Card

9

CPU-Z Minor Update: Support for Intel's Four New Products and New Memory

10

CXMT Reportedly Achieves 80% Yield in DDR5 Production