Home GPU Comparison NVIDIA GeForce GT 640 vs NVIDIA GeForce GTX 560 Ti 448

NVIDIA GeForce GT 640 vs NVIDIA GeForce GTX 560 Ti 448

We compared two Desktop platform GPUs: 2GB VRAM GeForce GT 640 and 1280MB VRAM GeForce GTX 560 Ti 448 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GT 640 's Advantages
Released 7 months late
More VRAM (2GB vs 1280GB)
Lower TDP (65W vs 210W)
NVIDIA GeForce GTX 560 Ti 448 's Advantages
Larger VRAM bandwidth (152.0GB/s vs 28.51GB/s)
64 additional rendering cores

Score

Benchmark

FP32 (float)
GeForce GT 640
0.693 TFLOPS
GeForce GTX 560 Ti 448 +89%
1.312 TFLOPS
VS

Graphics Card

Jun 2012
Release Date
Nov 2011
GeForce 600
Generation
GeForce 500
Desktop
Type
Desktop
PCIe 3.0 x16
Bus Interface
PCIe 2.0 x16

Clock Speeds

-
-
-
-
-
-
891 MHz
Memory Clock
950 MHz

Memory

2GB
Memory Size
1280MB
DDR3
Memory Type
GDDR5
128bit
Memory Bus
320bit
28.51GB/s
Bandwidth
152.0GB/s

Render Config

-
-
-
-
SM Count
14
384
Shading Units
448
32
TMUs
56
16
ROPs
40
-
-
-
-
-
-
16 KB (per SMX)
L1 Cache
64 KB (per SM)
256 KB
L2 Cache
640 KB
-
-
-

Theoretical Performance

7.216 GPixel/s
Pixel Rate
20.50 GPixel/s
28.86 GTexel/s
Texture Rate
40.99 GTexel/s
-
-
-
692.7 GFLOPS
FP32 (float)
1312 GFLOPS
28.86 GFLOPS
FP64 (double)
164.0 GFLOPS

Board Design

65W
TDP
210W
250 W
Suggested PSU
550 W
1x DVI 1x HDMI 1.4a 1x DisplayPort 1.2
Outputs
2x DVI 1x mini-HDMI 1.3a
None
Power Connectors
2x 6-pin

Graphics Processor

GK107
GPU Name
GF110
GK107-300-A2
GPU Variant
GF110-270-A1
Kepler
Architecture
Fermi 2.0
TSMC
Foundry
TSMC
28 nm
Process Size
40 nm
1.27 billion
Transistors
3 billion
118 mm²
Die Size
520 mm²

Graphics Features

12 (11_0)
DirectX
12 (11_0)
4.6
OpenGL
4.6
3.0
OpenCL
1.1
1.1
Vulkan
N/A
3.0
CUDA
2.0
5.1
Shader Model
5.1

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