Comparision AMD Radeon RX 6600 vs AMD Radeon HD 7990
Grade
Top specs and features
- Passmark score
- 3DMark Cloud Gate GPU benchmark score
- 3DMark Fire Strike Score
- 3DMark Fire Strike Graphics test score
- 3DMark 11 Performance GPU benchmark score
Passmark score
3DMark Cloud Gate GPU benchmark score
3DMark Fire Strike Score
3DMark Fire Strike Graphics test score
3DMark 11 Performance GPU benchmark score
Description
The AMD Radeon RX 6600 video card is based on the RDNA 2.0 architecture. AMD Radeon HD 7990 on the GCN 1.0 architecture. The first has 11060 million transistors. The second is 4313 million. AMD Radeon RX 6600 has a transistor size of 7 nm versus 28.
The base clock speed of the first video card is 1626 MHz versus 950 MHz for the second.
Let's move on to memory. AMD Radeon RX 6600 has 8 GB. AMD Radeon HD 7990 has 8 GB installed. The bandwidth of the first video card is 224 Gb/s versus 288 Gb/s of the second.
FLOPS of AMD Radeon RX 6600 is 9.23. At AMD Radeon HD 7990 4.28.
Goes to tests in benchmarks. In the Passmark benchmark, AMD Radeon RX 6600 scored 12709 points. And here is the second card 5410 points. In 3DMark, the first model scored 21479 points. Second 15107 points.
In terms of interfaces. The first video card is connected using There is no data. The second is PCIe 3.0 x16. Video card AMD Radeon RX 6600 has Directx version 12.2. Video card AMD Radeon HD 7990 -- Directx version - 11.1.
Regarding cooling, AMD Radeon RX 6600 has 132W heat dissipation requirements versus 375W for AMD Radeon HD 7990.
Why AMD Radeon RX 6600 is better than AMD Radeon HD 7990
- Passmark score 12709 против 5410 , more on 135%
- 3DMark Fire Strike Graphics test score 21479 против 15107 , more on 42%
- GPU base clock speed 1626 MHz против 950 MHz, more on 71%
- RAM 8 GB против 3 GB, more on 167%
- Gpu memory speed 1750 MHz против 1500 MHz, more on 17%
- FLOPS 9.23 TFLOPS против 4.28 TFLOPS, more on 116%
- Turbo gpu 2491 MHz против 1000 MHz, more on 149%
AMD Radeon RX 6600 vs AMD Radeon HD 7990: highlights
Performance
Memory
General information
Functions
Benchmark tests
Ports
FAQ
How does the AMD Radeon RX 6600 processor perform in benchmarks?
Passmark AMD Radeon RX 6600 scored 12709 points. The second video card scored 5410 points in Passmark.
What FLOPS do video cards have?
FLOPS AMD Radeon RX 6600 is 9.23 TFLOPS. But the second video card has FLOPS equal to 4.28 TFLOPS.
What power consumption?
AMD Radeon RX 6600 132 Watt. AMD Radeon HD 7990 375 Watt.
How fast are AMD Radeon RX 6600 and AMD Radeon HD 7990?
AMD Radeon RX 6600 operates at 1626 MHz. In this case, the maximum frequency reaches 2491 MHz. The clock base frequency of AMD Radeon HD 7990 reaches 950 MHz. In turbo mode it reaches 1000 MHz.
What kind of memory do graphics cards have?
AMD Radeon RX 6600 supports GDDR6. Installed 8 GB of RAM. Throughput reaches 224 GB/s. AMD Radeon HD 7990 works with GDDR5. The second one has 3 GB of RAM installed. Its bandwidth is 224 GB/s.
How many HDMI connectors do they have?
AMD Radeon RX 6600 has 1 HDMI outputs. AMD Radeon HD 7990 is equipped with There is no data HDMI outputs.
What power connectors are used?
AMD Radeon RX 6600 uses There is no data. AMD Radeon HD 7990 is equipped with There is no data HDMI outputs.
What architecture are video cards based on?
AMD Radeon RX 6600 is built on RDNA 2.0. AMD Radeon HD 7990 uses the GCN 1.0 architecture.
What graphics processor is being used?
AMD Radeon RX 6600 is equipped with Navi 23. AMD Radeon HD 7990 is set to Malta.
How many PCIe lanes
The first graphics card has 8 PCIe lanes. And the PCIe version is 4. AMD Radeon HD 7990 8 PCIe lanes. PCIe version 4.
How many transistors?
AMD Radeon RX 6600 has 11060 million transistors. AMD Radeon HD 7990 has 4313 million transistors