NVIDIA GeForce GTX 645 OEM vs AMD Radeon R9 290X2

VS

NVIDIA GeForce GTX 645 OEM

AMD Radeon R9 290X2

We compared two Desktop platform GPUs: 1024MB VRAM GeForce GTX 645 OEM and 4GB VRAM Radeon R9 290X2 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GTX 645 OEM 's Advantages

Lower TDP (65W vs 580W)

AMD Radeon R9 290X2 's Advantages

Released 1 years and 2 months late

More VRAM (4GB vs 1024GB)

Larger VRAM bandwidth (345.6GB/s vs 64.00GB/s)

2240 additional rendering cores

Score

Benchmark

FP32 (float)

GeForce GTX 645 OEM

0.949 TFLOPS

Radeon R9 290X2 +493%

5.632 TFLOPS

GeForce GTX 645 OEM

VS

Radeon R9 290X2

Graphics Card

Apr 2013

Release Date

Jun 2014

GeForce 600

Generation

Volcanic Islands

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

1000 MHz

Memory Clock

1350 MHz

Memory

1024MB

Memory Size

4GB

GDDR5

Memory Type

GDDR5

128bit

Memory Bus

512bit

64.00GB/s

Bandwidth

345.6GB/s

Render Config

-

Compute Units

44

-

576

Shading Units

2816

48

TMUs

176

16

ROPs

64

-

16 KB (per SMX)

L1 Cache

16 KB (per CU)

256 KB

L2 Cache

1024 KB

-

Theoretical Performance

9.888 GPixel/s

Pixel Rate

64.00 GPixel/s

39.55 GTexel/s

Texture Rate

176.0 GTexel/s

-

949.2 GFLOPS

FP32 (float)

5.632 TFLOPS

39.55 GFLOPS

FP64 (double)

704.0 GFLOPS

Board Design

65W

TDP

580W

250 W

Suggested PSU

950 W

1x DVI 1x HDMI 1.4a 1x DisplayPort 1.2

Outputs

2x DVI 1x HDMI 1.4a 1x DisplayPort 1.2

None

Power Connectors

4x 8-pin

Graphics Processor

GK106

GPU Name

Hawaii

GK106-200-A1

GPU Variant

Hawaii XT (215-0852000)

Kepler

Architecture

GCN 2.0

TSMC

Foundry

TSMC

28 nm

Process Size

28 nm

2.54 billion

Transistors

6.2 billion

221 mm²

Die Size

438 mm²

Graphics Features

12 (11_0)

DirectX

12 (12_0)

4.6

OpenGL

4.6

3.0

OpenCL

2.0

1.1

Vulkan

1.2

3.0

CUDA

-

5.1

Shader Model

6.3

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