Home GPU Comparison NVIDIA GeForce GT 640 OEM Rebrand vs NVIDIA GeForce GT 530 OEM

NVIDIA GeForce GT 640 OEM Rebrand vs NVIDIA GeForce GT 530 OEM

We compared two Desktop platform GPUs: 1536MB VRAM GeForce GT 640 OEM Rebrand and 1024MB VRAM GeForce GT 530 OEM 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
Released 11 months late
More VRAM (1536GB vs 1024GB)
Larger VRAM bandwidth (38.40GB/s vs 28.80GB/s)
48 additional rendering cores
NVIDIA GeForce GT 530 OEM 's Advantages
Lower TDP (50W vs 75W)

Score

Benchmark

FP32 (float)
GeForce GT 640 OEM Rebrand +54%
0.415 TFLOPS
GeForce GT 530 OEM
0.269 TFLOPS
VS

Graphics Card

Apr 2012
Release Date
May 2011
GeForce 600
Generation
GeForce 500
Desktop
Type
Desktop
PCIe 2.0 x16
Bus Interface
PCIe 2.0 x16

Clock Speeds

-
-
-
-
-
-
800 MHz
Memory Clock
900 MHz

Memory

1536MB
Memory Size
1024MB
DDR3
Memory Type
DDR3
192bit
Memory Bus
128bit
38.40GB/s
Bandwidth
28.80GB/s

Render Config

-
-
-
3
SM Count
2
144
Shading Units
96
24
TMUs
16
24
ROPs
4
-
-
-
-
-
-
64 KB (per SM)
L1 Cache
64 KB (per SM)
384 KB
L2 Cache
256 KB
-
-
-

Theoretical Performance

4.320 GPixel/s
Pixel Rate
2.800 GPixel/s
17.28 GTexel/s
Texture Rate
11.20 GTexel/s
-
-
-
414.7 GFLOPS
FP32 (float)
268.8 GFLOPS
34.56 GFLOPS
FP64 (double)
22.40 GFLOPS

Board Design

75W
TDP
50W
250 W
Suggested PSU
250 W
2x DVI 1x mini-HDMI 1.3a
Outputs
1x DVI 1x HDMI 1.3a 1x VGA
None
Power Connectors
None

Graphics Processor

GF116
GPU Name
GF108
GF116-150-A1
GPU Variant
GF108-200-A1
Fermi 2.0
Architecture
Fermi
TSMC
Foundry
TSMC
40 nm
Process Size
40 nm
1.17 billion
Transistors
0.585 billion
238 mm²
Die Size
116 mm²

Graphics Features

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

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