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GPU Comparison
AMD Radeon RX 7990 XTX vs AMD Radeon R9 Nano
AMD Radeon RX 7990 XTX vs AMD Radeon R9 Nano
VS
AMD Radeon RX 7990 XTX
AMD Radeon R9 Nano
We compared two Desktop platform GPUs: 24GB VRAM Radeon RX 7990 XTX and 4GB VRAM Radeon R9 Nano to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
AMD Radeon RX 7990 XTX 's Advantages
Boost Clock3599MHz
More VRAM (24GB vs 4GB)
Larger VRAM bandwidth (1152GB/s vs 512.0GB/s)
2048 additional rendering cores
AMD Radeon R9 Nano 's Advantages
Lower TDP (175W vs 405W)
Score
Benchmark
FP32 (float)
Radeon RX 7990 XTX
+979%
88.45 TFLOPS
Radeon R9 Nano
8.192 TFLOPS
Radeon RX 7990 XTX
VS
Radeon R9 Nano
Graphics Card
Unknown
Release Date
Aug 2015
Navi III
Generation
Pirate Islands
Desktop
Type
Desktop
PCIe 4.0 x16
Bus Interface
PCIe 3.0 x16
Clock Speeds
2500 MHz
Base Clock
-
3599 MHz
Boost Clock
-
3000 MHz
Memory Clock
500 MHz
Memory
24GB
Memory Size
4GB
GDDR6
Memory Type
HBM
384bit
Memory Bus
4096bit
1152GB/s
Bandwidth
512.0GB/s
Render Config
-
SM Count
-
96
Compute Units
64
6144
Shading Units
4096
384
TMUs
256
192
ROPs
64
-
Tensor Cores
-
96
RT Cores
-
256 KB per Array
L1 Cache
16 KB (per CU)
6 MB
L2 Cache
2 MB
Theoretical Performance
691.0 GPixel/s
Pixel Rate
64.00 GPixel/s
1382 GTexel/s
Texture Rate
256.0 GTexel/s
176.9 TFLOPS
FP16 (half)
8.192 TFLOPS
88.45 TFLOPS
FP32 (float)
8.192 TFLOPS
2.764 TFLOPS
FP64 (double)
512.0 GFLOPS
Graphics Processor
Navi 31
GPU Name
Fiji
Navi 31 XTX+
GPU Variant
Fiji XT CA (215-0862120)
RDNA 3.0
Architecture
GCN 3.0
TSMC
Foundry
TSMC
5 nm
Process Size
28 nm
57.7 billion
Transistors
8.9 billion
529 mm²
Die Size
596 mm²
Board Design
405W
TDP
175W
800 W
Suggested PSU
450 W
1x HDMI 2.1a 2x DisplayPort 2.1 1x USB Type-C
Outputs
1x HDMI 1.4a 3x DisplayPort 1.2
3x 8-pin
Power Connectors
1x 8-pin
Graphics Features
12 Ultimate (12_2)
DirectX
12 (12_0)
4.6
OpenGL
4.6
2.2
OpenCL
2.0
1.3
Vulkan
1.2
-
CUDA
-
6.7
Shader Model
6.3
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