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GPU Comparison
AMD Radeon RX 7990 XTX vs AMD Radeon R7 450 OEM
AMD Radeon RX 7990 XTX vs AMD Radeon R7 450 OEM
VS
AMD Radeon RX 7990 XTX
AMD Radeon R7 450 OEM
We compared two Desktop platform GPUs: 24GB VRAM Radeon RX 7990 XTX and 2GB VRAM Radeon R7 450 OEM 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 2GB)
Larger VRAM bandwidth (1152GB/s vs 72.00GB/s)
5632 additional rendering cores
AMD Radeon R7 450 OEM 's Advantages
Lower TDP (65W vs 405W)
Score
Benchmark
FP32 (float)
Radeon RX 7990 XTX
+9240%
88.45 TFLOPS
Radeon R7 450 OEM
0.947 TFLOPS
Radeon RX 7990 XTX
VS
Radeon R7 450 OEM
Graphics Card
Unknown
Release Date
Jun 2016
Navi III
Generation
Arctic 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
1125 MHz
Memory
24GB
Memory Size
2GB
GDDR6
Memory Type
GDDR5
384bit
Memory Bus
128bit
1152GB/s
Bandwidth
72.00GB/s
Render Config
-
SM Count
-
96
Compute Units
8
6144
Shading Units
512
384
TMUs
32
192
ROPs
16
-
Tensor Cores
-
96
RT Cores
-
256 KB per Array
L1 Cache
16 KB (per CU)
6 MB
L2 Cache
256 KB
Theoretical Performance
691.0 GPixel/s
Pixel Rate
14.80 GPixel/s
1382 GTexel/s
Texture Rate
29.60 GTexel/s
176.9 TFLOPS
FP16 (half)
-
88.45 TFLOPS
FP32 (float)
947.2 GFLOPS
2.764 TFLOPS
FP64 (double)
59.20 GFLOPS
Graphics Processor
Navi 31
GPU Name
Cape Verde
Navi 31 XTX+
GPU Variant
Cape Verde PRO2
RDNA 3.0
Architecture
GCN 1.0
TSMC
Foundry
TSMC
5 nm
Process Size
28 nm
57.7 billion
Transistors
1.5 billion
529 mm²
Die Size
123 mm²
Board Design
405W
TDP
65W
800 W
Suggested PSU
250 W
1x HDMI 2.1a 2x DisplayPort 2.1 1x USB Type-C
Outputs
1x DVI 1x HDMI 1.4a 1x DisplayPort 1.2
3x 8-pin
Power Connectors
None
Graphics Features
12 Ultimate (12_2)
DirectX
12 (11_1)
4.6
OpenGL
4.6
2.2
OpenCL
2.1 (1.2)
1.3
Vulkan
1.2.170
-
CUDA
-
6.7
Shader Model
6.5 (5.1)
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