NVIDIA GeForce GTX 460 X2 vs NVIDIA GeForce GTX 490

VS

NVIDIA GeForce GTX 460 X2

NVIDIA GeForce GTX 490

We compared two Desktop platform GPUs: 1024MB VRAM GeForce GTX 460 X2 and 1536MB VRAM GeForce GTX 490 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GTX 460 X2 's Advantages

Lower TDP (160W vs 365W)

NVIDIA GeForce GTX 490 's Advantages

More VRAM (1536GB vs 1024GB)

Larger VRAM bandwidth (164.0GB/s vs 115.2GB/s)

144 additional rendering cores

Score

Benchmark

FP32 (float)

GeForce GTX 460 X2

0.942 TFLOPS

GeForce GTX 490 +23%

1.166 TFLOPS

GeForce GTX 460 X2

VS

GeForce GTX 490

Graphics Card

Mar 2011

Release Date

Unknown

GeForce 400

Generation

GeForce 400

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

900 MHz

Memory Clock

854 MHz

Memory

1024MB

Memory Size

1536MB

GDDR5

Memory Type

GDDR5

256bit

Memory Bus

384bit

115.2GB/s

Bandwidth

164.0GB/s

Render Config

-

7

SM Count

15

336

Shading Units

480

56

TMUs

60

32

ROPs

48

-

64 KB (per SM)

L1 Cache

64 KB (per SM)

512 KB

L2 Cache

768 KB

-

Theoretical Performance

9.814 GPixel/s

Pixel Rate

18.24 GPixel/s

39.26 GTexel/s

Texture Rate

36.48 GTexel/s

-

941.5 GFLOPS

FP32 (float)

1166 GFLOPS

78.46 GFLOPS

FP64 (double)

145.8 GFLOPS

Board Design

160W

TDP

365W

450 W

Suggested PSU

750 W

3x DVI 1x mini-HDMI 1.3a

Outputs

3x DVI 1x mini-DisplayPort

2x 8-pin

Power Connectors

2x 8-pin

Graphics Processor

GF104

GPU Name

GF100

GF104-300-KB-A1

GPU Variant

GF100-375-A3

Fermi

Architecture

Fermi

TSMC

Foundry

TSMC

40 nm

Process Size

40 nm

1.95 billion

Transistors

3.1 billion

332 mm²

Die Size

529 mm²

Graphics Features

12 (11_0)

DirectX

12 (11_0)

4.6

OpenGL

4.6

1.1

OpenCL

1.1

N/A

Vulkan

N/A

2.1

CUDA

2.0

5.1

Shader Model

5.1

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