Home GPU Comparison NVIDIA GeForce GT 640 OEM Rebrand vs NVIDIA GeForce GT 1030 GK107

NVIDIA GeForce GT 640 OEM Rebrand vs NVIDIA GeForce GT 1030 GK107

We compared two Desktop platform GPUs: 1536MB VRAM GeForce GT 640 OEM Rebrand and 2GB VRAM GeForce GT 1030 GK107 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GT 1030 GK107 's Advantages
Released 6 years and 5 months late
More VRAM (2GB vs 1536GB)
Larger VRAM bandwidth (80.00GB/s vs 38.40GB/s)
240 additional rendering cores
Lower TDP (65W vs 75W)

Score

Benchmark

FP32 (float)
GeForce GT 640 OEM Rebrand
0.415 TFLOPS
GeForce GT 1030 GK107 +95%
0.812 TFLOPS
VS

Graphics Card

Apr 2012
Release Date
Sep 2018
GeForce 600
Generation
GeForce 10
Desktop
Type
Desktop
PCIe 2.0 x16
Bus Interface
PCIe 3.0 x16

Clock Speeds

-
-
-
-
-
-
800 MHz
Memory Clock
1250 MHz

Memory

1536MB
Memory Size
2GB
DDR3
Memory Type
GDDR5
192bit
Memory Bus
128bit
38.40GB/s
Bandwidth
80.00GB/s

Render Config

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

Theoretical Performance

4.320 GPixel/s
Pixel Rate
8.464 GPixel/s
17.28 GTexel/s
Texture Rate
33.86 GTexel/s
-
-
-
414.7 GFLOPS
FP32 (float)
812.5 GFLOPS
34.56 GFLOPS
FP64 (double)
33.86 GFLOPS

Board Design

75W
TDP
65W
250 W
Suggested PSU
250 W
2x DVI 1x mini-HDMI 1.3a
Outputs
2x DVI 1x mini-HDMI 1.4a
None
Power Connectors
1x 6-pin

Graphics Processor

GF116
GPU Name
GK107
GF116-150-A1
GPU Variant
-
Fermi 2.0
Architecture
Kepler
TSMC
Foundry
TSMC
40 nm
Process Size
28 nm
1.17 billion
Transistors
1.27 billion
238 mm²
Die Size
118 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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