AMD Radeon R7 240 vs NVIDIA GeForce GTX 660 Rev. 2

VS

AMD Radeon R7 240 NVIDIA GeForce GTX 660 Rev. 2

We compared two Desktop platform GPUs: 2GB VRAM Radeon R7 240 and 2GB VRAM GeForce GTX 660 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

Lower TDP (30W vs 140W)

NVIDIA GeForce GTX 660 Rev. 2 's Advantages

Released 11 months late

Boost Clock has increased by 32% (1032MHz vs 780MHz)

Larger VRAM bandwidth (144.2GB/s vs 28.80GB/s)

640 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon R7 240

0.499 TFLOPS

GeForce GTX 660 Rev. 2 +296%

1.981 TFLOPS

Radeon R7 240

VS

GeForce GTX 660 Rev. 2

Graphics Card

Oct 2013

Release Date

Sep 2014

Volcanic Islands

Generation

GeForce 600

Desktop

Type

Desktop

PCIe 3.0 x8

Bus Interface

PCIe 3.0 x16

Clock Speeds

730 MHz

Base Clock

980 MHz

780 MHz

Boost Clock

1032 MHz

900 MHz

Memory Clock

1502 MHz

Memory

2GB

Memory Size

2GB

DDR3

Memory Type

GDDR5

128bit

Memory Bus

192bit

28.80GB/s

Bandwidth

144.2GB/s

Render Config

-

SM Count

-

5

Compute Units

-

320

Shading Units

960

20

TMUs

80

8

ROPs

24

-

Tensor Cores

-

RT Cores

-

16 KB (per CU)

L1 Cache

16 KB (per SMX)

256 KB

L2 Cache

384 KB

Theoretical Performance

6.240 GPixel/s

Pixel Rate

20.64 GPixel/s

15.60 GTexel/s

Texture Rate

82.56 GTexel/s

-

FP16 (half)

-

499.2 GFLOPS

FP32 (float)

1.981 TFLOPS

-

FP64 (double)

82.56 GFLOPS

Graphics Processor

Oland

GPU Name

GK104

Oland PRO (215-0837015)

GPU Variant

-

GCN 1.0

Architecture

Kepler

TSMC

Foundry

TSMC

28 nm

Process Size

28 nm

0.95 billion

Transistors

3.54 billion

77 mm²

Die Size

294 mm²

Board Design

30W

TDP

140W

200 W

Suggested PSU

300 W

1x DVI 1x HDMI 1.4a 1x VGA

Outputs

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

None

Power Connectors

1x 6-pin

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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