AMD Radeon R7 240 vs NVIDIA GeForce GT 640 OEM Rebrand

VS

AMD Radeon R7 240

NVIDIA GeForce GT 640 OEM Rebrand

We compared two Desktop platform GPUs: 2GB VRAM Radeon R7 240 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 R7 240 's Advantages

Released 1 years and 6 months late

Boost Clock780MHz

More VRAM (2GB vs 1536GB)

176 additional rendering cores

Lower TDP (30W vs 75W)

NVIDIA GeForce GT 640 OEM Rebrand 's Advantages

Larger VRAM bandwidth (38.40GB/s vs 28.80GB/s)

Score

Benchmark

FP32 (float)

Radeon R7 240 +20%

0.499 TFLOPS

GeForce GT 640 OEM Rebrand

0.415 TFLOPS

Radeon R7 240

VS

GeForce GT 640 OEM Rebrand

Graphics Card

Oct 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

128bit

Memory Bus

192bit

28.80GB/s

Bandwidth

38.40GB/s

Render Config

5

Compute Units

-

SM Count

3

320

Shading Units

144

20

TMUs

24

8

ROPs

24

-

16 KB (per CU)

L1 Cache

64 KB (per SM)

256 KB

L2 Cache

384 KB

-

Theoretical Performance

6.240 GPixel/s

Pixel Rate

4.320 GPixel/s

15.60 GTexel/s

Texture Rate

17.28 GTexel/s

-

499.2 GFLOPS

FP32 (float)

414.7 GFLOPS

-

FP64 (double)

34.56 GFLOPS

Board Design

30W

TDP

75W

200 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

Oland PRO (215-0837015)

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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