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GPU Comparison
AMD Radeon RX 6900 XTX vs NVIDIA GeForce GT 420 OEM
AMD Radeon RX 6900 XTX vs NVIDIA GeForce GT 420 OEM
VS
AMD Radeon RX 6900 XTX
NVIDIA GeForce GT 420 OEM
We compared two Desktop platform GPUs: 16GB VRAM Radeon RX 6900 XTX and 1024MB VRAM GeForce GT 420 OEM to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
AMD Radeon RX 6900 XTX 's Advantages
Boost Clock2435MHz
More VRAM (16GB vs 1GB)
Larger VRAM bandwidth (576.0GB/s vs 28.80GB/s)
5072 additional rendering cores
NVIDIA GeForce GT 420 OEM 's Advantages
Lower TDP (50W vs 330W)
Score
Benchmark
FP32 (float)
Radeon RX 6900 XTX
+18504%
24.93 TFLOPS
GeForce GT 420 OEM
0.134 TFLOPS
Radeon RX 6900 XTX
VS
GeForce GT 420 OEM
Graphics Card
Unknown
Release Date
Sep 2010
Navi II
Generation
GeForce 400
Desktop
Type
Desktop
PCIe 4.0 x16
Bus Interface
PCIe 2.0 x16
Clock Speeds
2075 MHz
Base Clock
-
2435 MHz
Boost Clock
-
2250 MHz
Memory Clock
900 MHz
Memory
16GB
Memory Size
1024MB
GDDR6
Memory Type
DDR3
256bit
Memory Bus
128bit
576.0GB/s
Bandwidth
28.80GB/s
Render Config
-
SM Count
1
80
Compute Units
-
5120
Shading Units
48
320
TMUs
4
128
ROPs
4
-
Tensor Cores
-
80
RT Cores
-
128 KB per Array
L1 Cache
64 KB (per SM)
4 MB
L2 Cache
256 KB
Theoretical Performance
311.7 GPixel/s
Pixel Rate
1.400 GPixel/s
779.2 GTexel/s
Texture Rate
2.800 GTexel/s
49.87 TFLOPS
FP16 (half)
-
24.93 TFLOPS
FP32 (float)
134.4 GFLOPS
1.558 TFLOPS
FP64 (double)
11.20 GFLOPS
Graphics Processor
Navi 21
GPU Name
GF108
Navi 21 XTXH (215-121000247)
GPU Variant
GF108-200-A1
RDNA 2.0
Architecture
Fermi
TSMC
Foundry
TSMC
7 nm
Process Size
40 nm
26.8 billion
Transistors
0.585 billion
520 mm²
Die Size
116 mm²
Board Design
330W
TDP
50W
700 W
Suggested PSU
250 W
1x HDMI 2.1 2x DisplayPort 1.4a 1x USB Type-C
Outputs
1x DVI 1x HDMI 1.3a 1x VGA
2x 8-pin
Power Connectors
None
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
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