AMD Radeon Sky 900 vs NVIDIA GeForce GT 635 OEM

VS

AMD Radeon Sky 900

NVIDIA GeForce GT 635 OEM

We compared two Desktop platform GPUs: 3GB VRAM Radeon Sky 900 and 1024MB VRAM GeForce GT 635 OEM to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon Sky 900 's Advantages

Boost Clock950MHz

More VRAM (3GB vs 1024GB)

Larger VRAM bandwidth (240.0GB/s vs 14.40GB/s)

1408 additional rendering cores

NVIDIA GeForce GT 635 OEM 's Advantages

Released 7 months late

Lower TDP (35W vs 300W)

Score

Benchmark

FP32 (float)

Radeon Sky 900 +358%

3.405 TFLOPS

GeForce GT 635 OEM

0.743 TFLOPS

Radeon Sky 900

VS

GeForce GT 635 OEM

Graphics Card

Mar 2013

Release Date

Oct 2013

Radeon Sky

Generation

GeForce 600

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 3.0 x8

Clock Speeds

825 MHz

Base Clock

-

950 MHz

Boost Clock

-

1250 MHz

Memory Clock

900 MHz

Memory

3GB

Memory Size

1024MB

GDDR5

Memory Type

DDR3

384bit

Memory Bus

64bit

240.0GB/s

Bandwidth

14.40GB/s

Render Config

28

Compute Units

-

1792

Shading Units

384

112

TMUs

32

ROPs

8

-

16 KB (per CU)

L1 Cache

16 KB (per SMX)

768 KB

L2 Cache

512 KB

-

Theoretical Performance

30.40 GPixel/s

Pixel Rate

7.736 GPixel/s

106.4 GTexel/s

Texture Rate

30.94 GTexel/s

-

3.405 TFLOPS

FP32 (float)

742.7 GFLOPS

851.2 GFLOPS

FP64 (double)

30.94 GFLOPS

Board Design

300W

TDP

35W

700 W

Suggested PSU

200 W

1x DVI 1x mini-DisplayPort 1.2

Outputs

1x DVI 1x HDMI 1.4a 1x VGA

2x 8-pin

Power Connectors

None

Graphics Processor

Tahiti

GPU Name

GK208

Orthrus

GPU Variant

-

GCN 1.0

Architecture

Kepler 2.0

TSMC

Foundry

TSMC

28 nm

Process Size

28 nm

4.313 billion

Transistors

1.02 billion

352 mm²

Die Size

87 mm²

Graphics Features

12 (11_1)

DirectX

12 (11_0)

4.6

OpenGL

4.6

1.2

OpenCL

3.0

1.2

Vulkan

1.1

-

CUDA

3.5

5.1

Shader Model

5.1

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