NVIDIA GeForce GTX 460 X2 vs AMD Radeon Sky 500

VS

NVIDIA GeForce GTX 460 X2

AMD Radeon Sky 500

We compared two Desktop platform GPUs: 1024MB VRAM GeForce GTX 460 X2 and 4GB VRAM Radeon Sky 500 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon Sky 500 's Advantages

Released 2 years late

More VRAM (4GB vs 1024GB)

Larger VRAM bandwidth (153.6GB/s vs 115.2GB/s)

944 additional rendering cores

Lower TDP (150W vs 160W)

Score

Benchmark

FP32 (float)

GeForce GTX 460 X2

0.942 TFLOPS

Radeon Sky 500 +158%

2.432 TFLOPS

GeForce GTX 460 X2

VS

Radeon Sky 500

Graphics Card

Mar 2011

Release Date

Mar 2013

GeForce 400

Generation

Radeon Sky

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

900 MHz

Memory Clock

1200 MHz

Memory

1024MB

Memory Size

4GB

GDDR5

Memory Type

GDDR5

256bit

Memory Bus

256bit

115.2GB/s

Bandwidth

153.6GB/s

Render Config

-

Compute Units

20

7

SM Count

-

336

Shading Units

1280

56

TMUs

80

32

ROPs

32

-

64 KB (per SM)

L1 Cache

16 KB (per CU)

512 KB

L2 Cache

512 KB

-

Theoretical Performance

9.814 GPixel/s

Pixel Rate

30.40 GPixel/s

39.26 GTexel/s

Texture Rate

76.00 GTexel/s

-

941.5 GFLOPS

FP32 (float)

2.432 TFLOPS

78.46 GFLOPS

FP64 (double)

152.0 GFLOPS

Board Design

160W

TDP

150W

450 W

Suggested PSU

450 W

3x DVI 1x mini-HDMI 1.3a

Outputs

1x DisplayPort 1.2

2x 8-pin

Power Connectors

1x 6-pin

Graphics Processor

GF104

GPU Name

Pitcairn

GF104-300-KB-A1

GPU Variant

Pitcairn XT GL (215-0828073)

Fermi

Architecture

GCN 1.0

TSMC

Foundry

TSMC

40 nm

Process Size

28 nm

1.95 billion

Transistors

2.8 billion

332 mm²

Die Size

212 mm²

Graphics Features

12 (11_0)

DirectX

12 (11_1)

4.6

OpenGL

4.6

1.1

OpenCL

1.2

N/A

Vulkan

1.2

2.1

CUDA

-

5.1

Shader Model

5.1

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