NVIDIA GeForce GTS 250 vs NVIDIA GeForce GT 640 OEM

VS

NVIDIA GeForce GTS 250

NVIDIA GeForce GT 640 OEM

We compared two Desktop platform GPUs: 1024MB VRAM GeForce GTS 250 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 GTS 250 's Advantages

Larger VRAM bandwidth (64.00GB/s vs 28.51GB/s)

NVIDIA GeForce GT 640 OEM 's Advantages

Released 3 years and 1 months late

More VRAM (2GB vs 1024GB)

256 additional rendering cores

Lower TDP (50W vs 150W)

Score

Benchmark

FP32 (float)

GeForce GTS 250

0.387 TFLOPS

GeForce GT 640 OEM +58%

0.612 TFLOPS

GeForce GTS 250

VS

GeForce GT 640 OEM

Graphics Card

Mar 2009

Release Date

Apr 2012

GeForce 200

Generation

GeForce 600

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

1000 MHz

Memory Clock

891 MHz

Memory

1024MB

Memory Size

2GB

GDDR3

Memory Type

DDR3

256bit

Memory Bus

128bit

64.00GB/s

Bandwidth

28.51GB/s

Render Config

-

16

SM Count

-

128

Shading Units

384

64

TMUs

32

16

ROPs

16

-

L1 Cache

16 KB (per SMX)

64 KB

L2 Cache

256 KB

-

Theoretical Performance

11.23 GPixel/s

Pixel Rate

6.376 GPixel/s

44.93 GTexel/s

Texture Rate

25.50 GTexel/s

-

387.1 GFLOPS

FP32 (float)

612.1 GFLOPS

-

FP64 (double)

25.50 GFLOPS

Board Design

150W

TDP

50W

450 W

Suggested PSU

250 W

2x DVI

Outputs

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

1x 6-pin

Power Connectors

None

Graphics Processor

G92B

GPU Name

GK107

G92-428-B1

GPU Variant

GK107-320-A2

Tesla

Architecture

Kepler

TSMC

Foundry

TSMC

55 nm

Process Size

28 nm

0.754 billion

Transistors

1.27 billion

260 mm²

Die Size

118 mm²

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

CUDA

3.0

4.0

Shader Model

5.1

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