AMD Radeon R7 240 vs NVIDIA GeForce GT 640 Rev. 2

VS

AMD Radeon R7 240

NVIDIA GeForce GT 640 Rev. 2

We compared two Desktop platform GPUs: 2GB VRAM Radeon R7 240 and 1024MB VRAM GeForce GT 640 Rev. 2 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon R7 240 's Advantages

Boost Clock780MHz

More VRAM (2GB vs 1024GB)

Lower TDP (30W vs 49W)

NVIDIA GeForce GT 640 Rev. 2 's Advantages

Larger VRAM bandwidth (40.06GB/s vs 28.80GB/s)

64 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon R7 240

0.499 TFLOPS

GeForce GT 640 Rev. 2 +60%

0.803 TFLOPS

Radeon R7 240

VS

GeForce GT 640 Rev. 2

Graphics Card

Oct 2013

Release Date

May 2013

Volcanic Islands

Generation

GeForce 600

Desktop

Type

Desktop

PCIe 3.0 x8

Bus Interface

PCIe 2.0 x8

Clock Speeds

730 MHz

Base Clock

-

780 MHz

Boost Clock

-

900 MHz

Memory Clock

1252 MHz

Memory

2GB

Memory Size

1024MB

DDR3

Memory Type

GDDR5

128bit

Memory Bus

64bit

28.80GB/s

Bandwidth

40.06GB/s

Render Config

5

Compute Units

-

320

Shading Units

384

20

TMUs

32

8

ROPs

8

-

16 KB (per CU)

L1 Cache

16 KB (per SMX)

256 KB

L2 Cache

512 KB

-

Theoretical Performance

6.240 GPixel/s

Pixel Rate

8.368 GPixel/s

15.60 GTexel/s

Texture Rate

33.47 GTexel/s

-

499.2 GFLOPS

FP32 (float)

803.3 GFLOPS

-

FP64 (double)

33.47 GFLOPS

Board Design

30W

TDP

49W

200 W

Suggested PSU

200 W

1x DVI 1x HDMI 1.4a 1x VGA

Outputs

1x DVI 1x HDMI 1.4a 1x VGA

None

Power Connectors

None

Graphics Processor

Oland

GPU Name

GK208

Oland PRO (215-0837015)

GPU Variant

GK208-400-A1

GCN 1.0

Architecture

Kepler 2.0

TSMC

Foundry

TSMC

28 nm

Process Size

28 nm

0.95 billion

Transistors

1.02 billion

77 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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