Home GPU Comparison NVIDIA GeForce GTX 260 Rev. 2 vs NVIDIA GeForce GT 640 Rev. 2

NVIDIA GeForce GTX 260 Rev. 2 vs NVIDIA GeForce GT 640 Rev. 2

NVIDIA GeForce GTX 260 Rev. 2
VS
NVIDIA GeForce GT 640 Rev. 2
NVIDIA GeForce GTX 260 Rev. 2
NVIDIA GeForce GT 640 Rev. 2
We compared two Desktop platform GPUs: 896MB VRAM GeForce GTX 260 Rev. 2 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 GTX 260 Rev. 2 's Advantages
Larger VRAM bandwidth (111.9GB/s vs 40.06GB/s)
NVIDIA GeForce GT 640 Rev. 2 's Advantages
Released 4 years and 10 months late
More VRAM (1024GB vs 896GB)
192 additional rendering cores
Lower TDP (49W vs 182W)

Score

Benchmark

FP32 (float)
GeForce GTX 260 Rev. 2
0.477 TFLOPS
GeForce GT 640 Rev. 2 +68%
0.803 TFLOPS
GeForce GTX 260 Rev. 2
VS
GeForce GT 640 Rev. 2

Graphics Card

Jul 2008
Release Date
May 2013
GeForce 200
Generation
GeForce 600
Desktop
Type
Desktop
PCIe 2.0 x16
Bus Interface
PCIe 2.0 x8

Clock Speeds

-
-
-
-
-
-
999 MHz
Memory Clock
1252 MHz

Memory

896MB
Memory Size
1024MB
GDDR3
Memory Type
GDDR5
448bit
Memory Bus
64bit
111.9GB/s
Bandwidth
40.06GB/s

Render Config

-
-
-
24
SM Count
-
192
Shading Units
384
64
TMUs
32
28
ROPs
8
-
-
-
-
-
-
-
L1 Cache
16 KB (per SMX)
224 KB
L2 Cache
512 KB
-
-
-

Theoretical Performance

16.13 GPixel/s
Pixel Rate
8.368 GPixel/s
36.86 GTexel/s
Texture Rate
33.47 GTexel/s
-
-
-
476.9 GFLOPS
FP32 (float)
803.3 GFLOPS
59.62 GFLOPS
FP64 (double)
33.47 GFLOPS

Board Design

182W
TDP
49W
450 W
Suggested PSU
200 W
2x DVI 1x S-Video
Outputs
1x DVI 1x HDMI 1.4a 1x VGA
2x 6-pin
Power Connectors
None

Graphics Processor

GT200B
GPU Name
GK208
G200-103-B3
GPU Variant
GK208-400-A1
Tesla 2.0
Architecture
Kepler 2.0
TSMC
Foundry
TSMC
55 nm
Process Size
28 nm
1.4 billion
Transistors
1.02 billion
470 mm²
Die Size
87 mm²

Graphics Features

11.1 (10_0)
DirectX
12 (11_0)
3.3
OpenGL
4.6
1.1
OpenCL
3.0
N/A
Vulkan
1.1
1.3
CUDA
3.5
4.0
Shader Model
5.1

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9
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