Home GPU Comparison NVIDIA GeForce GT 640 OEM Rebrand vs NVIDIA GeForce GTX 760

NVIDIA GeForce GT 640 OEM Rebrand vs NVIDIA GeForce GTX 760

We compared two Desktop platform GPUs: 1536MB VRAM GeForce GT 640 OEM Rebrand and 2GB VRAM GeForce GTX 760 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GT 640 OEM Rebrand 's Advantages
Lower TDP (75W vs 170W)
NVIDIA GeForce GTX 760 's Advantages
Released 1 years and 2 months late
Boost Clock1032MHz
More VRAM (2GB vs 1536GB)
Larger VRAM bandwidth (192.3GB/s vs 38.40GB/s)
1008 additional rendering cores

Score

Benchmark

FP32 (float)
GeForce GT 640 OEM Rebrand
0.415 TFLOPS
GeForce GTX 760 +473%
2.378 TFLOPS
VS

Graphics Card

Apr 2012
Release Date
Jun 2013
GeForce 600
Generation
GeForce 700
Desktop
Type
Desktop
PCIe 2.0 x16
Bus Interface
PCIe 3.0 x16

Clock Speeds

-
Base Clock
980 MHz
-
Boost Clock
1032 MHz
800 MHz
Memory Clock
1502 MHz

Memory

1536MB
Memory Size
2GB
DDR3
Memory Type
GDDR5
192bit
Memory Bus
256bit
38.40GB/s
Bandwidth
192.3GB/s

Render Config

-
-
-
3
SM Count
-
144
Shading Units
1152
24
TMUs
96
24
ROPs
32
-
-
-
-
-
-
64 KB (per SM)
L1 Cache
16 KB (per SMX)
384 KB
L2 Cache
512 KB
-
-
-

Theoretical Performance

4.320 GPixel/s
Pixel Rate
24.77 GPixel/s
17.28 GTexel/s
Texture Rate
99.07 GTexel/s
-
-
-
414.7 GFLOPS
FP32 (float)
2.378 TFLOPS
34.56 GFLOPS
FP64 (double)
99.07 GFLOPS

Board Design

75W
TDP
170W
250 W
Suggested PSU
450 W
2x DVI 1x mini-HDMI 1.3a
Outputs
2x DVI 1x HDMI 1.4a 1x DisplayPort 1.2
None
Power Connectors
2x 6-pin

Graphics Processor

GF116
GPU Name
GK104
GF116-150-A1
GPU Variant
GK104-225-A2
Fermi 2.0
Architecture
Kepler
TSMC
Foundry
TSMC
40 nm
Process Size
28 nm
1.17 billion
Transistors
3.54 billion
238 mm²
Die Size
294 mm²

Graphics Features

12 (11_0)
DirectX
12 (11_0)
4.6
OpenGL
4.6
1.1
OpenCL
3.0
N/A
Vulkan
1.1
2.1
CUDA
3.0
5.1
Shader Model
5.1

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