NVIDIA GeForce GTX 260 Core 216 Rev. 2 vs NVIDIA GeForce GT 640 OEM

VS

NVIDIA GeForce GTX 260 Core 216 Rev. 2 NVIDIA GeForce GT 640 OEM

We compared two Desktop platform GPUs: 896MB VRAM GeForce GTX 260 Core 216 Rev. 2 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 260 Core 216 Rev. 2 's Advantages

Larger VRAM bandwidth (111.9GB/s vs 28.51GB/s)

NVIDIA GeForce GT 640 OEM 's Advantages

Released 3 years and 5 months late

168 additional rendering cores

Lower TDP (50W vs 171W)

Score

Benchmark

FP32 (float)

GeForce GTX 260 Core 216 Rev. 2

0.536 TFLOPS

GeForce GT 640 OEM +14%

0.612 TFLOPS

GeForce GTX 260 Core 216 Rev. 2

VS

GeForce GT 640 OEM

Graphics Card

Nov 2008

Release Date

Apr 2012

GeForce 200

Generation

GeForce 600

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

Base Clock

-

Boost Clock

-

999 MHz

Memory Clock

891 MHz

Memory

896MB

Memory Size

2GB

GDDR3

Memory Type

DDR3

448bit

Memory Bus

128bit

111.9GB/s

Bandwidth

28.51GB/s

Render Config

27

SM Count

-

Compute Units

-

216

Shading Units

384

72

TMUs

32

28

ROPs

16

-

Tensor Cores

-

RT Cores

-

L1 Cache

16 KB (per SMX)

224 KB

L2 Cache

256 KB

Theoretical Performance

16.13 GPixel/s

Pixel Rate

6.376 GPixel/s

41.47 GTexel/s

Texture Rate

25.50 GTexel/s

-

FP16 (half)

-

536.5 GFLOPS

FP32 (float)

612.1 GFLOPS

67.07 GFLOPS

FP64 (double)

25.50 GFLOPS

Graphics Processor

GT200B

GPU Name

GK107

G200-103-B2

GPU Variant

GK107-320-A2

Tesla 2.0

Architecture

Kepler

TSMC

Foundry

TSMC

55 nm

Process Size

28 nm

1.4 billion

Transistors

1.27 billion

470 mm²

Die Size

118 mm²

Board Design

171W

TDP

50W

450 W

Suggested PSU

250 W

2x DVI 1x S-Video

Outputs

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

2x 6-pin

Power Connectors

None

Graphics Features

11.1 (10_0)

DirectX

12 (11_0)

3.3

OpenGL

4.6

1.1

OpenCL

3.0

N/A

Vulkan

1.1

1.3

CUDA

3.0

4.0

Shader Model

5.1

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