NVIDIA GeForce GTX 460 X2 vs AMD Radeon HD 8490 OEM

VS

NVIDIA GeForce GTX 460 X2

AMD Radeon HD 8490 OEM

We compared two Desktop platform GPUs: 1024MB VRAM GeForce GTX 460 X2 and 1024MB VRAM Radeon HD 8490 OEM to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GTX 460 X2 's Advantages

Larger VRAM bandwidth (115.2GB/s vs 14.40GB/s)

176 additional rendering cores

AMD Radeon HD 8490 OEM 's Advantages

Released 2 years and 4 months late

Lower TDP (35W vs 160W)

Score

Benchmark

FP32 (float)

GeForce GTX 460 X2 +236%

0.942 TFLOPS

Radeon HD 8490 OEM

0.28 TFLOPS

GeForce GTX 460 X2

VS

Radeon HD 8490 OEM

Graphics Card

Mar 2011

Release Date

Jul 2013

GeForce 400

Generation

Sea Islands

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

900 MHz

Memory Clock

900 MHz

Memory

1024MB

Memory Size

1024MB

GDDR5

Memory Type

DDR3

256bit

Memory Bus

64bit

115.2GB/s

Bandwidth

14.40GB/s

Render Config

-

Compute Units

2

7

SM Count

-

336

Shading Units

160

56

TMUs

8

32

ROPs

4

-

64 KB (per SM)

L1 Cache

8 KB (per CU)

512 KB

L2 Cache

128 KB

-

Theoretical Performance

9.814 GPixel/s

Pixel Rate

3.500 GPixel/s

39.26 GTexel/s

Texture Rate

7.000 GTexel/s

-

941.5 GFLOPS

FP32 (float)

280.0 GFLOPS

78.46 GFLOPS

FP64 (double)

-

Board Design

160W

TDP

35W

450 W

Suggested PSU

200 W

3x DVI 1x mini-HDMI 1.3a

Outputs

1x DVI 1x DisplayPort 1.1

2x 8-pin

Power Connectors

None

Graphics Processor

GF104

GPU Name

Caicos

GF104-300-KB-A1

GPU Variant

Caicos XTX

Fermi

Architecture

TeraScale 2

TSMC

Foundry

TSMC

40 nm

Process Size

40 nm

1.95 billion

Transistors

0.37 billion

332 mm²

Die Size

67 mm²

Graphics Features

12 (11_0)

DirectX

11.2 (11_0)

4.6

OpenGL

4.4

1.1

OpenCL

1.2

N/A

Vulkan

N/A

2.1

CUDA

-

5.1

Shader Model

5.0

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