NVIDIA GeForce GTX 490 vs NVIDIA GeForce GTX 280

VS

NVIDIA GeForce GTX 490 NVIDIA GeForce GTX 280

We compared two Desktop platform GPUs: 1536MB VRAM GeForce GTX 490 and 1024MB VRAM GeForce GTX 280 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GTX 490 's Advantages

More VRAM (1536GB vs 1024GB)

Larger VRAM bandwidth (164.0GB/s vs 141.7GB/s)

240 additional rendering cores

NVIDIA GeForce GTX 280 's Advantages

Lower TDP (236W vs 365W)

Score

Benchmark

FP32 (float)

GeForce GTX 490 +87%

1.166 TFLOPS

GeForce GTX 280

0.622 TFLOPS

GeForce GTX 490

VS

GeForce GTX 280

Graphics Card

Unknown

Release Date

Jun 2008

GeForce 400

Generation

GeForce 200

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

Base Clock

-

Boost Clock

-

854 MHz

Memory Clock

1107 MHz

Memory

1536MB

Memory Size

1024MB

GDDR5

Memory Type

GDDR3

384bit

Memory Bus

512bit

164.0GB/s

Bandwidth

141.7GB/s

Render Config

15

SM Count

30

-

Compute Units

-

480

Shading Units

240

60

TMUs

80

48

ROPs

32

-

Tensor Cores

-

RT Cores

-

64 KB (per SM)

L1 Cache

-

768 KB

L2 Cache

256 KB

Theoretical Performance

18.24 GPixel/s

Pixel Rate

19.26 GPixel/s

36.48 GTexel/s

Texture Rate

48.16 GTexel/s

-

FP16 (half)

-

1166 GFLOPS

FP32 (float)

622.1 GFLOPS

145.8 GFLOPS

FP64 (double)

77.76 GFLOPS

Graphics Processor

GF100

GPU Name

GT200

GF100-375-A3

GPU Variant

G200-300-A2

Fermi

Architecture

Tesla 2.0

TSMC

Foundry

TSMC

40 nm

Process Size

65 nm

3.1 billion

Transistors

1.4 billion

529 mm²

Die Size

576 mm²

Board Design

365W

TDP

236W

750 W

Suggested PSU

550 W

3x DVI 1x mini-DisplayPort

Outputs

2x DVI 1x S-Video

2x 8-pin

Power Connectors

1x 6-pin + 1x 8-pin

Graphics Features

12 (11_0)

DirectX

11.1 (10_0)

4.6

OpenGL

3.3

1.1

OpenCL

1.1

N/A

Vulkan

N/A

2.0

CUDA

1.3

5.1

Shader Model

4.0

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