Radeon RX 6800 XT vs GeForce GTS 450 OEM
We compared two Desktop platform GPUs: 16GB VRAM Radeon RX 6800 XT and 512MB VRAM GeForce GTS 450 OEM to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
Radeon RX 6800 XT 's Advantages
Released 10 years and 1 months late
Boost Clock2250MHz
More VRAM (16GB vs 512GB)
Larger VRAM bandwidth (512.0GB/s vs 57.73GB/s)
4464 additional rendering cores
GeForce GTS 450 OEM 's Advantages
Lower TDP (106W vs 300W)
Score
Benchmark
FP32 (float)
Radeon RX 6800 XT
+4498%
20740
GeForce GTS 450 OEM
451
Graphics Card
Oct 2020
Release Date
Sep 2010
Navi II
Generation
GeForce 400
Desktop
Type
Desktop
PCIe 4.0 x16
Bus Interface
PCIe 2.0 x16
Clock Speeds
1825 MHz
Base Clock
-
2250 MHz
Boost Clock
-
2000 MHz
Memory Clock
902 MHz
Memory
16GB
Memory Size
512MB
GDDR6
Memory Type
GDDR5
256bit
Memory Bus
128bit
512.0GB/s
Bandwidth
57.73GB/s
Render Config
72
Compute Units
-
-
SM Count
3
4608
Shading Units
144
288
TMUs
24
128
ROPs
16
72
RT Cores
-
128 KB per Array
L1 Cache
64 KB (per SM)
4 MB
L2 Cache
256 KB
128 MB
L3 Cache
-
Theoretical Performance
288.0 GPixel/s
Pixel Rate
4.698 GPixel/s
648.0 GTexel/s
Texture Rate
18.79 GTexel/s
41.47 TFLOPS
FP16 (half)
-
20.74 TFLOPS
FP32 (float)
451.0 GFLOPS
1296 GFLOPS
FP64 (double)
37.58 GFLOPS
Board Design
300W
TDP
106W
700 W
Suggested PSU
300 W
1x HDMI 2.1
2x DisplayPort 1.4a
1x USB Type-C
Outputs
1x DVI
1x DisplayPort
1x VGA
2x 8-pin
Power Connectors
1x 6-pin
Graphics Processor
Navi 21
GPU Name
GF106
Navi 21 XT
(215-121000177)
GPU Variant
-
RDNA 2.0
Architecture
Fermi
TSMC
Foundry
TSMC
7 nm
Process Size
40 nm
26.8 billion
Transistors
1.17 billion
520 mm²
Die Size
238 mm²
Graphics Features
12 Ultimate (12_2)
DirectX
12 (11_0)
4.6
OpenGL
4.6
2.1
OpenCL
1.1
1.3
Vulkan
N/A
-
CUDA
2.1
6.5
Shader Model
5.1