Comparision NVIDIA GeForce GT 640 vs AMD Radeon HD 6450
Grade
Top specs and features
Passmark score
3DMark Fire Strike Graphics test score
GPU base clock speed
RAM
Memory bandwidth
Description
The NVIDIA GeForce GT 640 video card is based on the Kepler architecture. AMD Radeon HD 6450 on the TeraScale 2 architecture. The first has 1270 million transistors. The second is 370 million. NVIDIA GeForce GT 640 has a transistor size of 28 nm versus 40.
The base clock speed of the first video card is 902 MHz versus 625 MHz for the second.
Let's move on to memory. NVIDIA GeForce GT 640 has 2 GB. AMD Radeon HD 6450 has 2 GB installed. The bandwidth of the first video card is 28.8 Gb/s versus 25.6 Gb/s of the second.
FLOPS of NVIDIA GeForce GT 640 is 478.6. At AMD Radeon HD 6450 0.21.
Goes to tests in benchmarks. In the Passmark benchmark, NVIDIA GeForce GT 640 scored 1154 points. And here is the second card 189 points. In 3DMark, the first model scored 1521 points. Second 325 points.
In terms of interfaces. The first video card is connected using PCIe 3.0 x16. The second is PCIe 2.0 x16. Video card NVIDIA GeForce GT 640 has Directx version 12. Video card AMD Radeon HD 6450 -- Directx version - 11.
Regarding cooling, NVIDIA GeForce GT 640 has 32W heat dissipation requirements versus 18W for AMD Radeon HD 6450.
Why NVIDIA GeForce GT 640 is better than AMD Radeon HD 6450
- Passmark score 1154 против 189 , more on 511%
- 3DMark Fire Strike Graphics test score 1521 против 325 , more on 368%
- GPU base clock speed 902 MHz против 625 MHz, more on 44%
- RAM 2 GB против 0.5 GB, more on 300%
- Memory bandwidth 28.8 GB/s против 25.6 GB/s, more on 13%
- Gpu memory speed 900 MHz против 800 MHz, more on 13%
- FLOPS 478.6 TFLOPS против 0.21 TFLOPS, more on 227805%
NVIDIA GeForce GT 640 vs AMD Radeon HD 6450: highlights
Performance
Memory
General information
Functions
Benchmark tests
Ports
FAQ
How does the NVIDIA GeForce GT 640 processor perform in benchmarks?
Passmark NVIDIA GeForce GT 640 scored 1154 points. The second video card scored 189 points in Passmark.
What FLOPS do video cards have?
FLOPS NVIDIA GeForce GT 640 is 478.6 TFLOPS. But the second video card has FLOPS equal to 0.21 TFLOPS.
What power consumption?
NVIDIA GeForce GT 640 32 Watt. AMD Radeon HD 6450 18 Watt.
How fast are NVIDIA GeForce GT 640 and AMD Radeon HD 6450?
NVIDIA GeForce GT 640 operates at 902 MHz. In this case, the maximum frequency reaches There is no data MHz. The clock base frequency of AMD Radeon HD 6450 reaches 625 MHz. In turbo mode it reaches There is no data MHz.
What kind of memory do graphics cards have?
NVIDIA GeForce GT 640 supports GDDR3. Installed 2 GB of RAM. Throughput reaches 28.8 GB/s. AMD Radeon HD 6450 works with GDDR5. The second one has 0.5 GB of RAM installed. Its bandwidth is 28.8 GB/s.
How many HDMI connectors do they have?
NVIDIA GeForce GT 640 has 1 HDMI outputs. AMD Radeon HD 6450 is equipped with 1 HDMI outputs.
What power connectors are used?
NVIDIA GeForce GT 640 uses There is no data. AMD Radeon HD 6450 is equipped with There is no data HDMI outputs.
What architecture are video cards based on?
NVIDIA GeForce GT 640 is built on Kepler. AMD Radeon HD 6450 uses the TeraScale 2 architecture.
What graphics processor is being used?
NVIDIA GeForce GT 640 is equipped with GK107. AMD Radeon HD 6450 is set to Caicos.
How many PCIe lanes
The first graphics card has 16 PCIe lanes. And the PCIe version is 3. AMD Radeon HD 6450 16 PCIe lanes. PCIe version 3.
How many transistors?
NVIDIA GeForce GT 640 has 1270 million transistors. AMD Radeon HD 6450 has 370 million transistors