Home GPU Comparison NVIDIA GeForce 505 OEM vs NVIDIA GeForce GT 640 Rev. 2

NVIDIA GeForce 505 OEM vs NVIDIA GeForce GT 640 Rev. 2

We compared two Desktop platform GPUs: 512MB VRAM GeForce 505 OEM 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

NVIDIA GeForce 505 OEM 's Advantages
Lower TDP (25W vs 49W)
NVIDIA GeForce GT 640 Rev. 2 's Advantages
More VRAM (1024GB vs 512GB)
Larger VRAM bandwidth (40.06GB/s vs 9.600GB/s)
368 additional rendering cores

Score

Benchmark

FP32 (float)
GeForce 505 OEM
0.045 TFLOPS
GeForce GT 640 Rev. 2 +1684%
0.803 TFLOPS
VS

Graphics Card

Jan 2013
Release Date
May 2013
GeForce 500
Generation
GeForce 600
Desktop
Type
Desktop
PCIe 1.0 x16
Bus Interface
PCIe 2.0 x8

Clock Speeds

-
-
-
-
-
-
600 MHz
Memory Clock
1252 MHz

Memory

512MB
Memory Size
1024MB
DDR3
Memory Type
GDDR5
64bit
Memory Bus
64bit
9.600GB/s
Bandwidth
40.06GB/s

Render Config

-
-
-
2
SM Count
-
16
Shading Units
384
8
TMUs
32
4
ROPs
8
-
-
-
-
-
-
-
L1 Cache
16 KB (per SMX)
32 KB
L2 Cache
512 KB
-
-
-

Theoretical Performance

2.356 GPixel/s
Pixel Rate
8.368 GPixel/s
4.712 GTexel/s
Texture Rate
33.47 GTexel/s
-
-
-
44.86 GFLOPS
FP32 (float)
803.3 GFLOPS
-
FP64 (double)
33.47 GFLOPS

Board Design

25W
TDP
49W
200 W
Suggested PSU
200 W
1x DVI 1x HDMI 1x VGA
Outputs
1x DVI 1x HDMI 1.4a 1x VGA
None
Power Connectors
None

Graphics Processor

GT218
GPU Name
GK208
GT218-300-B1
GPU Variant
GK208-400-A1
Tesla 2.0
Architecture
Kepler 2.0
TSMC
Foundry
TSMC
40 nm
Process Size
28 nm
0.26 billion
Transistors
1.02 billion
57 mm²
Die Size
87 mm²

Graphics Features

11.1 (10_1)
DirectX
12 (11_0)
3.3
OpenGL
4.6
1.1
OpenCL
3.0
N/A
Vulkan
1.1
1.2
CUDA
3.5
4.1
Shader Model
5.1

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