Summary
NVIDIA released the GeForce GT 640 in 2012. This graphics card features the GK107 GPU, manufactured on a 28nm process. It comes equipped with 1024-2048-4096 MB DDR3 memory on a 128-bit interface, delivering up to 42.8 GB/s of bandwidth. The GPU operates at 900 MHz with a theoretical compute performance of 691.2 GFLOPS. The card connects via PCIe3.0 and requires no external power. It supports DX11.
Performance
GPU Clock
900 MHz
Memory Clock
1782(891)
Shader Performance
691200 MFLOPS
Pixel Fillrate
14400 MP/s
Texel Fillrate
28800 MT/s
Memory
Memory Size
1024-2048-4096 MB
Bus Width
128-bit
Memory Type
DDR3
Max Bandwidth
42768 MB/s
Architecture
GPU Chip
GK107
Core Config
384 SP; 32 TMU; 16 ROP
Vertex Processors
384
Process Size
28nm
Transistors
1.3b
Compatibility
DirectX
DX11
Bus Slot
PCIe3.0
External Power
no
Release
Release Year
2012
Launch Price
Lower Mainstream
Performance to Price
Worse
Better
Performance Comparison
Shader Performance (MFLOPS)
Memory Bandwidth (MB/s)
Game Performance Estimates
FPS estimates scaled from RTX 3060 benchmark data. Actual results vary based on CPU, drivers, and game updates.
Cyberpunk 2077
2020Medium
5
FPS
High
4
FPS
Ultra
3
FPS
Red Dead Redemption 2
2019Medium
4
FPS
High
3
FPS
Ultra
2
FPS
GTA V
2015Medium
8
FPS
High
6
FPS
Ultra
5
FPS
Fortnite
2017Medium
9
FPS
High
7
FPS
Ultra
4
FPS
Valorant
2020Medium
21
FPS
High
17
FPS
Ultra
13
FPS
Counter-Strike 2
2023Medium
10
FPS
High
8
FPS
Ultra
6
FPS
Call of Duty: MW III
2023Medium
7
FPS
High
5
FPS
Ultra
4
FPS
Apex Legends
2019Medium
8
FPS
High
6
FPS
Ultra
5
FPS
Elden Ring
2022Medium
3
FPS
High
3
FPS
Ultra
3
FPS
Hogwarts Legacy
2023Medium
4
FPS
High
3
FPS
Ultra
2
FPS
The Witcher 3
2015Medium
7
FPS
High
5
FPS
Ultra
4
FPS
Baldur's Gate 3
2023Medium
5
FPS
High
4
FPS
Ultra
3
FPS
60+ FPS (Smooth)
30-59 FPS (Playable)
<30 FPS (Low)