AMD Radeon R9 280X2 vs NVIDIA GeForce GT 635 OEM

VS

AMD Radeon R9 280X2

NVIDIA GeForce GT 635 OEM

We compared two Desktop platform GPUs: 3GB VRAM Radeon R9 280X2 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 R9 280X2 's Advantages

Boost Clock1000MHz

More VRAM (3GB vs 1024GB)

Larger VRAM bandwidth (288.0GB/s vs 14.40GB/s)

1664 additional rendering cores

NVIDIA GeForce GT 635 OEM 's Advantages

Lower TDP (35W vs 375W)

Score

Benchmark

FP32 (float)

Radeon R9 280X2 +451%

4.096 TFLOPS

GeForce GT 635 OEM

0.743 TFLOPS

Radeon R9 280X2

VS

GeForce GT 635 OEM

Graphics Card

Unknown

Release Date

Oct 2013

Volcanic Islands

Generation

GeForce 600

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 3.0 x8

Clock Speeds

950 MHz

Base Clock

-

1000 MHz

Boost Clock

-

1500 MHz

Memory Clock

900 MHz

Memory

3GB

Memory Size

1024MB

GDDR5

Memory Type

DDR3

384bit

Memory Bus

64bit

288.0GB/s

Bandwidth

14.40GB/s

Render Config

32

Compute Units

-

2048

Shading Units

384

128

TMUs

32

ROPs

8

-

16 KB (per CU)

L1 Cache

16 KB (per SMX)

768 KB

L2 Cache

512 KB

-

Theoretical Performance

32.00 GPixel/s

Pixel Rate

7.736 GPixel/s

128.0 GTexel/s

Texture Rate

30.94 GTexel/s

-

4.096 TFLOPS

FP32 (float)

742.7 GFLOPS

1024 GFLOPS

FP64 (double)

30.94 GFLOPS

Board Design

375W

TDP

35W

750 W

Suggested PSU

200 W

6x mini-DisplayPort 1.2

Outputs

1x DVI 1x HDMI 1.4a 1x VGA

3x 8-pin

Power Connectors

None

Graphics Processor

Tahiti

GPU Name

GK208

Tahiti XTL (215-0821065)

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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