NVIDIA GeForce GT 630 vs AMD Radeon Sky 900

VS

NVIDIA GeForce GT 630

AMD Radeon Sky 900

We compared two Desktop platform GPUs: 1024MB VRAM GeForce GT 630 and 3GB VRAM Radeon Sky 900 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GT 630 's Advantages

Lower TDP (65W vs 300W)

AMD Radeon Sky 900 's Advantages

Released 10 months late

Boost Clock950MHz

More VRAM (3GB vs 1024GB)

Larger VRAM bandwidth (240.0GB/s vs 28.80GB/s)

1696 additional rendering cores

Score

Benchmark

FP32 (float)

GeForce GT 630

0.311 TFLOPS

Radeon Sky 900 +994%

3.405 TFLOPS

GeForce GT 630

VS

Radeon Sky 900

Graphics Card

May 2012

Release Date

Mar 2013

GeForce 600

Generation

Radeon Sky

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

Base Clock

825 MHz

-

Boost Clock

950 MHz

900 MHz

Memory Clock

1250 MHz

Memory

1024MB

Memory Size

3GB

DDR3

Memory Type

GDDR5

128bit

Memory Bus

384bit

28.80GB/s

Bandwidth

240.0GB/s

Render Config

-

Compute Units

28

2

SM Count

-

96

Shading Units

1792

16

TMUs

112

4

ROPs

32

-

64 KB (per SM)

L1 Cache

16 KB (per CU)

256 KB

L2 Cache

768 KB

-

Theoretical Performance

3.240 GPixel/s

Pixel Rate

30.40 GPixel/s

12.96 GTexel/s

Texture Rate

106.4 GTexel/s

-

311.0 GFLOPS

FP32 (float)

3.405 TFLOPS

25.92 GFLOPS

FP64 (double)

851.2 GFLOPS

Board Design

65W

TDP

300W

250 W

Suggested PSU

700 W

1x DVI 1x HDMI 1.3a 1x VGA

Outputs

1x DVI 1x mini-DisplayPort 1.2

None

Power Connectors

2x 8-pin

Graphics Processor

GF108

GPU Name

Tahiti

GF108-400-A1

GPU Variant

Orthrus

Fermi

Architecture

GCN 1.0

TSMC

Foundry

TSMC

40 nm

Process Size

28 nm

0.585 billion

Transistors

4.313 billion

116 mm²

Die Size

352 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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