NVIDIA GeForce GT 640 Rev. 2 vs NVIDIA GeForce RTX 4070 GDDR6
We compared two Desktop platform GPUs: 1024MB VRAM GeForce GT 640 Rev. 2 and 12GB VRAM GeForce RTX 4070 GDDR6 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
NVIDIA GeForce GT 640 Rev. 2 's Advantages
Lower TDP (49W vs 200W)
NVIDIA GeForce RTX 4070 GDDR6 's Advantages
Released 11 years and 3 months late
Boost Clock2475MHz
More VRAM (12GB vs 1024GB)
Larger VRAM bandwidth (480.0GB/s vs 40.06GB/s)
5504 additional rendering cores
Score
Benchmark
FP32 (float)
GeForce GT 640 Rev. 2
0.803 TFLOPS
GeForce RTX 4070 GDDR6
+3530%
29.15 TFLOPS
Graphics Card
May 2013
Release Date
Aug 2024
GeForce 600
Generation
GeForce 40
Desktop
Type
Desktop
PCIe 2.0 x8
Bus Interface
PCIe 4.0 x16
Clock Speeds
-
Base Clock
1920 MHz
-
Boost Clock
2475 MHz
1252 MHz
Memory Clock
2500 MHz
Memory
1024MB
Memory Size
12GB
GDDR5
Memory Type
GDDR6
64bit
Memory Bus
192bit
40.06GB/s
Bandwidth
480.0GB/s
Render Config
-
-
-
-
SM Count
46
384
Shading Units
5888
32
TMUs
184
8
ROPs
64
-
Tensor Cores
184
-
RT Cores
46
16 KB (per SMX)
L1 Cache
128 KB (per SM)
512 KB
L2 Cache
36 MB
-
-
-
Theoretical Performance
8.368 GPixel/s
Pixel Rate
158.4 GPixel/s
33.47 GTexel/s
Texture Rate
455.4 GTexel/s
-
FP16 (half)
29.15 TFLOPS
803.3 GFLOPS
FP32 (float)
29.15 TFLOPS
33.47 GFLOPS
FP64 (double)
455.4 GFLOPS
Board Design
49W
TDP
200W
200 W
Suggested PSU
550 W
1x DVI
1x HDMI 1.4a
1x VGA
Outputs
1x HDMI 2.1
3x DisplayPort 1.4a
None
Power Connectors
1x 16-pin
Graphics Processor
GK208
GPU Name
AD104
GK208-400-A1
GPU Variant
AD104-2XX-A1
Kepler 2.0
Architecture
Ada Lovelace
TSMC
Foundry
TSMC
28 nm
Process Size
5 nm
1.02 billion
Transistors
35.8 billion
87 mm²
Die Size
294 mm²
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
3.5
CUDA
8.9
5.1
Shader Model
6.8
