NVIDIA GeForce GTX 490 vs AMD Radeon RX 7990 XTX
We compared two Desktop platform GPUs: 1536MB VRAM GeForce GTX 490 and 24GB VRAM Radeon RX 7990 XTX to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
NVIDIA GeForce GTX 490 's Advantages
Lower TDP (365W vs 405W)
AMD Radeon RX 7990 XTX 's Advantages
Boost Clock3599MHz
More VRAM (24GB vs 1536GB)
Larger VRAM bandwidth (1152GB/s vs 164.0GB/s)
5664 additional rendering cores
Score
Benchmark
FP32 (float)
GeForce GTX 490
1.166 TFLOPS
Radeon RX 7990 XTX
+7485%
88.45 TFLOPS
Graphics Card
Unknown
Release Date
Unknown
GeForce 400
Generation
Navi III
Desktop
Type
Desktop
PCIe 2.0 x16
Bus Interface
PCIe 4.0 x16
Clock Speeds
-
Base Clock
2500 MHz
-
Boost Clock
3599 MHz
854 MHz
Memory Clock
3000 MHz
Memory
1536MB
Memory Size
24GB
GDDR5
Memory Type
GDDR6
384bit
Memory Bus
384bit
164.0GB/s
Bandwidth
1152GB/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
192 MB
Theoretical Performance
18.24 GPixel/s
Pixel Rate
691.0 GPixel/s
36.48 GTexel/s
Texture Rate
1382 GTexel/s
-
FP16 (half)
176.9 TFLOPS
1166 GFLOPS
FP32 (float)
88.45 TFLOPS
145.8 GFLOPS
FP64 (double)
2.764 TFLOPS
Board Design
365W
TDP
405W
750 W
Suggested PSU
800 W
3x DVI
1x mini-DisplayPort
Outputs
1x HDMI 2.1a
2x DisplayPort 2.1
1x USB Type-C
2x 8-pin
Power Connectors
3x 8-pin
Graphics Processor
GF100
GPU Name
Navi 31
GF100-375-A3
GPU Variant
Navi 31 XTX+
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
