NVIDIA GeForce GTX 490 vs AMD Radeon RX 7900 XTX
We compared two Desktop platform GPUs: 1536MB VRAM GeForce GTX 490 and 24GB VRAM Radeon RX 7900 XTX to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
AMD Radeon RX 7900 XTX 's Advantages
Boost Clock2498MHz
More VRAM (24GB vs 1536GB)
Larger VRAM bandwidth (960.0GB/s vs 164.0GB/s)
5664 additional rendering cores
Lower TDP (355W vs 365W)
Score
Benchmark
FP32 (float)
GeForce GTX 490
1.166 TFLOPS
Radeon RX 7900 XTX
+5165%
61.39 TFLOPS
Graphics Card
Unknown
Release Date
Nov 2022
GeForce 400
Generation
Navi III
Desktop
Type
Desktop
PCIe 2.0 x16
Bus Interface
PCIe 4.0 x16
Clock Speeds
-
Base Clock
1929 MHz
-
Boost Clock
2498 MHz
854 MHz
Memory Clock
2500 MHz
Memory
1536MB
Memory Size
24GB
GDDR5
Memory Type
GDDR6
384bit
Memory Bus
384bit
164.0GB/s
Bandwidth
960.0GB/s
Render Config
-
Compute Units
96
15
SM Count
-
480
Shading Units
6144
60
TMUs
384
48
ROPs
192
-
-
-
-
RT Cores
96
64 KB (per SM)
L1 Cache
256 KB per Array
768 KB
L2 Cache
6 MB
-
L3 Cache
96 MB
Theoretical Performance
18.24 GPixel/s
Pixel Rate
479.6 GPixel/s
36.48 GTexel/s
Texture Rate
959.2 GTexel/s
-
FP16 (half)
122.8 TFLOPS
1166 GFLOPS
FP32 (float)
61.39 TFLOPS
145.8 GFLOPS
FP64 (double)
1.918 TFLOPS
Board Design
365W
TDP
355W
750 W
Suggested PSU
750 W
3x DVI
1x mini-DisplayPort
Outputs
1x HDMI 2.1a
2x DisplayPort 2.1
1x USB Type-C
2x 8-pin
Power Connectors
2x 8-pin
Graphics Processor
GF100
GPU Name
Navi 31
GF100-375-A3
GPU Variant
Navi 31 XTX
(215-145000146)
Fermi
Architecture
RDNA 3.0
TSMC
Foundry
TSMC
40 nm
Process Size
5 nm
3.1 billion
Transistors
57.7 billion
529 mm²
Die Size
529 mm²
Graphics Features
12 (11_0)
DirectX
12 Ultimate (12_2)
4.6
OpenGL
4.6
1.1
OpenCL
2.2
N/A
Vulkan
1.3
2.0
CUDA
-
5.1
Shader Model
6.7
