Home GPU Comparison NVIDIA GeForce GT 640 vs NVIDIA GeForce RTX 5090

NVIDIA GeForce GT 640 vs NVIDIA GeForce RTX 5090

We compared two Desktop platform GPUs: 2GB VRAM GeForce GT 640 and 32GB VRAM GeForce RTX 5090 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GT 640 's Advantages
Lower TDP (65W vs 500W)
NVIDIA GeForce RTX 5090 's Advantages
Released 12 years and 7 months late
Boost Clock2520MHz
More VRAM (32GB vs 2GB)
Larger VRAM bandwidth (1.52TB/s vs 28.51GB/s)
21376 additional rendering cores

Score

Benchmark

FP32 (float)
GeForce GT 640
0.693 TFLOPS
GeForce RTX 5090 +15729%
109.7 TFLOPS
VS

Graphics Card

Jun 2012
Release Date
Jan 2025
GeForce 600
Generation
GeForce 50
Desktop
Type
Desktop
PCIe 3.0 x16
Bus Interface
PCIe 5.0 x16

Clock Speeds

-
Base Clock
2235 MHz
-
Boost Clock
2520 MHz
891 MHz
Memory Clock
1875 MHz

Memory

2GB
Memory Size
32GB
DDR3
Memory Type
GDDR7
128bit
Memory Bus
512bit
28.51GB/s
Bandwidth
1.52TB/s

Render Config

-
-
-
-
SM Count
170
384
Shading Units
21760
32
TMUs
680
16
ROPs
192
-
Tensor Cores
680
-
RT Cores
170
16 KB (per SMX)
L1 Cache
128 KB (per SM)
256 KB
L2 Cache
88 MB
-
-
-

Theoretical Performance

7.216 GPixel/s
Pixel Rate
483.8 GPixel/s
28.86 GTexel/s
Texture Rate
1714 GTexel/s
-
FP16 (half)
109.7 TFLOPS
692.7 GFLOPS
FP32 (float)
109.7 TFLOPS
28.86 GFLOPS
FP64 (double)
1.714 TFLOPS

Board Design

65W
TDP
500W
250 W
Suggested PSU
900 W
1x DVI 1x HDMI 1.4a 1x DisplayPort 1.2
Outputs
1x HDMI 2.1 3x DisplayPort 2.1a
None
Power Connectors
1x 16-pin

Graphics Processor

GK107
GPU Name
GB202
GK107-300-A2
GPU Variant
GB202-400-A1
Kepler
Architecture
Blackwell 2.0
TSMC
Foundry
TSMC
28 nm
Process Size
4 nm
1.27 billion
Transistors
Unknown
118 mm²
Die Size
Unknown

Graphics Features

12 (11_0)
DirectX
12 Ultimate (12_2)
4.6
OpenGL
4.6
3.0
OpenCL
3.0
1.1
Vulkan
1.3
3.0
CUDA
10.1
5.1
Shader Model
6.8

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