AMD Radeon R5 240 OEM vs NVIDIA GeForce GTX 645 OEM

VS

AMD Radeon R5 240 OEM

NVIDIA GeForce GTX 645 OEM

We compared two Desktop platform GPUs: 2GB VRAM Radeon R5 240 OEM and 1024MB VRAM GeForce GTX 645 OEM to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon R5 240 OEM 's Advantages

Released 7 months late

Boost Clock780MHz

More VRAM (2GB vs 1024GB)

Lower TDP (50W vs 65W)

NVIDIA GeForce GTX 645 OEM 's Advantages

Larger VRAM bandwidth (64.00GB/s vs 14.40GB/s)

192 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon R5 240 OEM

0.599 TFLOPS

GeForce GTX 645 OEM +58%

0.949 TFLOPS

Radeon R5 240 OEM

VS

GeForce GTX 645 OEM

Graphics Card

Nov 2013

Release Date

Apr 2013

Volcanic Islands

Generation

GeForce 600

Desktop

Type

Desktop

PCIe 3.0 x8

Bus Interface

PCIe 3.0 x16

Clock Speeds

730 MHz

Base Clock

-

780 MHz

Boost Clock

-

900 MHz

Memory Clock

1000 MHz

Memory

2GB

Memory Size

1024MB

DDR3

Memory Type

GDDR5

64bit

Memory Bus

128bit

14.40GB/s

Bandwidth

64.00GB/s

Render Config

6

Compute Units

-

384

Shading Units

576

24

TMUs

48

8

ROPs

16

-

16 KB (per CU)

L1 Cache

16 KB (per SMX)

128 KB

L2 Cache

256 KB

-

Theoretical Performance

6.240 GPixel/s

Pixel Rate

9.888 GPixel/s

18.72 GTexel/s

Texture Rate

39.55 GTexel/s

-

599.0 GFLOPS

FP32 (float)

949.2 GFLOPS

37.44 GFLOPS

FP64 (double)

39.55 GFLOPS

Board Design

50W

TDP

65W

250 W

Suggested PSU

250 W

1x DVI 1x HDMI 1.4a 1x VGA

Outputs

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

None

Power Connectors

None

Graphics Processor

Oland

GPU Name

GK106

-

GPU Variant

GK106-200-A1

GCN 1.0

Architecture

Kepler

TSMC

Foundry

TSMC

28 nm

Process Size

28 nm

0.95 billion

Transistors

2.54 billion

77 mm²

Die Size

221 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

3.0

5.1

Shader Model

5.1

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