Radeon RX 7900 XT vs GeForce GTS 450 Rev. 2
We compared two Desktop platform GPUs: 20GB VRAM Radeon RX 7900 XT and 1024MB VRAM GeForce GTS 450 Rev. 2 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
Radeon RX 7900 XT Advantages
Released 11 years and 8 months late
Boost Clock2394MHz
More VRAM (20GB vs 1024GB)
Larger VRAM bandwidth (800.0GB/s vs 57.73GB/s)
5184 additional rendering cores
GeForce GTS 450 Rev. 2 Advantages
Lower TDP (106W vs 300W)
Score
Benchmark
FP32 (float)
Radeon RX 7900 XT
+8465%
51480
GeForce GTS 450 Rev. 2
601
Graphics Card
Nov 2022
Release Date
Mar 2011
Navi III
Generation
GeForce 400
Desktop
Type
Desktop
PCIe 4.0 x16
Bus Interface
PCIe 2.0 x16
Clock Speeds
1387 MHz
Base Clock
-
2394 MHz
Boost Clock
-
2500 MHz
Memory Clock
902 MHz
Memory
20GB
Memory Size
1024MB
GDDR6
Memory Type
GDDR5
320bit
Memory Bus
128bit
800.0GB/s
Bandwidth
57.73GB/s
Render Config
84
Compute Units
-
-
SM Count
4
5376
Shading Units
192
336
TMUs
32
192
ROPs
16
84
RT Cores
-
256 KB per Array
L1 Cache
64 KB (per SM)
6 MB
L2 Cache
256 KB
80 MB
L3 Cache
-
Theoretical Performance
459.6 GPixel/s
Pixel Rate
6.264 GPixel/s
804.4 GTexel/s
Texture Rate
25.06 GTexel/s
103.0 TFLOPS
FP16 (half)
-
51.48 TFLOPS
FP32 (float)
601.3 GFLOPS
1.609 TFLOPS
FP64 (double)
50.11 GFLOPS
Board Design
300W
TDP
106W
700 W
Suggested PSU
300 W
1x HDMI 2.1a
2x DisplayPort 2.1
1x USB Type-C
2x DisplayPort 2.1
1x USB Type-C
Outputs
2x DVI
1x mini-HDMI 1.3a
1x mini-HDMI 1.3a
2x 8-pin
Power Connectors
1x 6-pin
Graphics Processor
Navi 31
GPU Name
GF116
Navi 31 XT
(215-145000156)
(215-145000156)
GPU Variant
GF116-200-KA-A1
RDNA 3.0
Architecture
Fermi 2.0
TSMC
Foundry
TSMC
5 nm
Process Size
40 nm
57.7 billion
Transistors
1.17 billion
529 mm²
Die Size
238 mm²
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
2.1
6.7
Shader Model
5.1