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GPU Comparison
AMD Radeon RX 7800 XT vs NVIDIA GeForce GTX 490
AMD Radeon RX 7800 XT vs NVIDIA GeForce GTX 490
VS
AMD Radeon RX 7800 XT
NVIDIA GeForce GTX 490
We compared two Desktop platform GPUs: 16GB VRAM Radeon RX 7800 XT and 1536MB VRAM GeForce GTX 490 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
AMD Radeon RX 7800 XT 's Advantages
Boost Clock2430MHz
More VRAM (16GB vs 1GB)
Larger VRAM bandwidth (624.1GB/s vs 164.0GB/s)
3360 additional rendering cores
Lower TDP (263W vs 365W)
Score
Benchmark
FP32 (float)
Radeon RX 7800 XT
+3100%
37.32 TFLOPS
GeForce GTX 490
1.166 TFLOPS
Radeon RX 7800 XT
VS
GeForce GTX 490
Graphics Card
Aug 2023
Release Date
Unknown
Navi III
Generation
GeForce 400
Desktop
Type
Desktop
PCIe 4.0 x16
Bus Interface
PCIe 2.0 x16
Clock Speeds
1295 MHz
Base Clock
-
2430 MHz
Boost Clock
-
2438 MHz
Memory Clock
854 MHz
Memory
16GB
Memory Size
1536MB
GDDR6
Memory Type
GDDR5
256bit
Memory Bus
384bit
624.1GB/s
Bandwidth
164.0GB/s
Render Config
-
SM Count
15
60
Compute Units
-
3840
Shading Units
480
240
TMUs
60
96
ROPs
48
-
Tensor Cores
-
60
RT Cores
-
128 KB per Array
L1 Cache
64 KB (per SM)
4 MB
L2 Cache
768 KB
Theoretical Performance
233.3 GPixel/s
Pixel Rate
18.24 GPixel/s
583.2 GTexel/s
Texture Rate
36.48 GTexel/s
74.65 TFLOPS
FP16 (half)
-
37.32 TFLOPS
FP32 (float)
1166 GFLOPS
1166 GFLOPS
FP64 (double)
145.8 GFLOPS
Graphics Processor
Navi 32
GPU Name
GF100
Navi 32 XT (215-180000006)
GPU Variant
GF100-375-A3
RDNA 3.0
Architecture
Fermi
TSMC
Foundry
TSMC
5 nm
Process Size
40 nm
28.1 billion
Transistors
3.1 billion
346 mm²
Die Size
529 mm²
Board Design
263W
TDP
365W
600 W
Suggested PSU
750 W
1x HDMI 2.1a 3x DisplayPort 2.1
Outputs
3x DVI 1x mini-DisplayPort
2x 8-pin
Power Connectors
2x 8-pin
Graphics Features
12 Ultimate (12_2)
DirectX
12 (11_0)
4.6
OpenGL
4.6
2.2
OpenCL
1.1
1.3
Vulkan
N/A
-
CUDA
2.0
6.7
Shader Model
5.1
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