AMD Radeon R5 240 OEM vs NVIDIA GeForce GT 640 OEM Rebrand

VS

AMD Radeon R5 240 OEM

NVIDIA GeForce GT 640 OEM Rebrand

We compared two Desktop platform GPUs: 2GB VRAM Radeon R5 240 OEM and 1536MB VRAM GeForce GT 640 OEM Rebrand 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 1 years and 7 months late

Boost Clock780MHz

More VRAM (2GB vs 1536GB)

240 additional rendering cores

Lower TDP (50W vs 75W)

NVIDIA GeForce GT 640 OEM Rebrand 's Advantages

Larger VRAM bandwidth (38.40GB/s vs 14.40GB/s)

Score

Benchmark

FP32 (float)

Radeon R5 240 OEM +44%

0.599 TFLOPS

GeForce GT 640 OEM Rebrand

0.415 TFLOPS

Radeon R5 240 OEM

VS

GeForce GT 640 OEM Rebrand

Graphics Card

Nov 2013

Release Date

Apr 2012

Volcanic Islands

Generation

GeForce 600

Desktop

Type

Desktop

PCIe 3.0 x8

Bus Interface

PCIe 2.0 x16

Clock Speeds

730 MHz

Base Clock

-

780 MHz

Boost Clock

-

900 MHz

Memory Clock

800 MHz

Memory

2GB

Memory Size

1536MB

DDR3

Memory Type

DDR3

64bit

Memory Bus

192bit

14.40GB/s

Bandwidth

38.40GB/s

Render Config

6

Compute Units

-

SM Count

3

384

Shading Units

144

24

TMUs

24

8

ROPs

24

-

16 KB (per CU)

L1 Cache

64 KB (per SM)

128 KB

L2 Cache

384 KB

-

Theoretical Performance

6.240 GPixel/s

Pixel Rate

4.320 GPixel/s

18.72 GTexel/s

Texture Rate

17.28 GTexel/s

-

599.0 GFLOPS

FP32 (float)

414.7 GFLOPS

37.44 GFLOPS

FP64 (double)

34.56 GFLOPS

Board Design

50W

TDP

75W

250 W

Suggested PSU

250 W

1x DVI 1x HDMI 1.4a 1x VGA

Outputs

2x DVI 1x mini-HDMI 1.3a

None

Power Connectors

None

Graphics Processor

Oland

GPU Name

GF116

-

GPU Variant

GF116-150-A1

GCN 1.0

Architecture

Fermi 2.0

TSMC

Foundry

TSMC

28 nm

Process Size

40 nm

0.95 billion

Transistors

1.17 billion

77 mm²

Die Size

238 mm²

Graphics Features

12 (11_1)

DirectX

12 (11_0)

4.6

OpenGL

4.6

1.2

OpenCL

1.1

1.2

Vulkan

N/A

-

CUDA

2.1

5.1

Shader Model

5.1

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