NVIDIA GeForce GTX 285 vs NVIDIA GeForce GTX 645 OEM

VS

NVIDIA GeForce GTX 285 NVIDIA GeForce GTX 645 OEM

We compared two Desktop platform GPUs: 1024MB VRAM GeForce GTX 285 and 1024MB VRAM GeForce GTX 645 OEM to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GTX 285 's Advantages

Larger VRAM bandwidth (159.0GB/s vs 64.00GB/s)

NVIDIA GeForce GTX 645 OEM 's Advantages

Released 4 years and 4 months late

336 additional rendering cores

Lower TDP (65W vs 204W)

Score

Benchmark

FP32 (float)

GeForce GTX 285

0.708 TFLOPS

GeForce GTX 645 OEM +34%

0.949 TFLOPS

GeForce GTX 285

VS

GeForce GTX 645 OEM

Graphics Card

Dec 2008

Release Date

Apr 2013

GeForce 200

Generation

GeForce 600

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

Base Clock

-

Boost Clock

-

1242 MHz

Memory Clock

1000 MHz

Memory

1024MB

Memory Size

1024MB

GDDR3

Memory Type

GDDR5

512bit

Memory Bus

128bit

159.0GB/s

Bandwidth

64.00GB/s

Render Config

30

SM Count

-

Compute Units

-

240

Shading Units

576

80

TMUs

48

32

ROPs

16

-

Tensor Cores

-

RT Cores

-

L1 Cache

16 KB (per SMX)

256 KB

L2 Cache

256 KB

Theoretical Performance

20.74 GPixel/s

Pixel Rate

9.888 GPixel/s

51.84 GTexel/s

Texture Rate

39.55 GTexel/s

-

FP16 (half)

-

708.5 GFLOPS

FP32 (float)

949.2 GFLOPS

88.56 GFLOPS

FP64 (double)

39.55 GFLOPS

Graphics Processor

GT200B

GPU Name

GK106

G200-350-B3

GPU Variant

GK106-200-A1

Tesla 2.0

Architecture

Kepler

TSMC

Foundry

TSMC

55 nm

Process Size

28 nm

1.4 billion

Transistors

2.54 billion

470 mm²

Die Size

221 mm²

Board Design

204W

TDP

65W

550 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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