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GPU Comparison
AMD Radeon HD 6450 OEM vs AMD Radeon RX 7950 XT
AMD Radeon HD 6450 OEM vs AMD Radeon RX 7950 XT
VS
AMD Radeon HD 6450 OEM
AMD Radeon RX 7950 XT
We compared two Desktop platform GPUs: 512MB VRAM Radeon HD 6450 OEM and 20GB VRAM Radeon RX 7950 XT to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
AMD Radeon HD 6450 OEM 's Advantages
Lower TDP (18W vs 300W)
AMD Radeon RX 7950 XT 's Advantages
Boost Clock3000MHz
More VRAM (20GB vs 512GB)
Larger VRAM bandwidth (800.0GB/s vs 8.528GB/s)
5216 additional rendering cores
Score
Benchmark
FP32 (float)
Radeon HD 6450 OEM
0.2 TFLOPS
Radeon RX 7950 XT
+32155%
64.51 TFLOPS
Radeon HD 6450 OEM
VS
Radeon RX 7950 XT
Graphics Card
Feb 2011
Release Date
Unknown
Northern Islands
Generation
Navi III
Desktop
Type
Desktop
PCIe 2.0 x16
Bus Interface
PCIe 4.0 x16
Clock Speeds
-
Base Clock
2000 MHz
-
Boost Clock
3000 MHz
533 MHz
Memory Clock
2500 MHz
Memory
512MB
Memory Size
20GB
GDDR3
Memory Type
GDDR6
64bit
Memory Bus
320bit
8.528GB/s
Bandwidth
800.0GB/s
Render Config
2
Compute Units
84
-
-
-
160
Shading Units
5376
8
TMUs
336
4
ROPs
192
-
-
-
-
RT Cores
84
8 KB (per CU)
L1 Cache
256 KB per Array
128 KB
L2 Cache
6 MB
-
L3 Cache
80 MB
Theoretical Performance
2.500 GPixel/s
Pixel Rate
576.0 GPixel/s
5.000 GTexel/s
Texture Rate
1008 GTexel/s
-
FP16 (half)
129.0 TFLOPS
200.0 GFLOPS
FP32 (float)
64.51 TFLOPS
-
FP64 (double)
2.016 TFLOPS
Board Design
18W
TDP
300W
200 W
Suggested PSU
700 W
1x DVI 1x HDMI 1.3a 1x VGA
Outputs
1x HDMI 2.1a 2x DisplayPort 2.1 1x USB Type-C
None
Power Connectors
2x 8-pin
Graphics Processor
Caicos
GPU Name
Navi 31
Junbonator
GPU Variant
Navi 31 XT+
TeraScale 2
Architecture
RDNA 3.0
TSMC
Foundry
TSMC
40 nm
Process Size
5 nm
0.37 billion
Transistors
57.7 billion
67 mm²
Die Size
529 mm²
Graphics Features
11.2 (11_0)
DirectX
12 Ultimate (12_2)
4.4
OpenGL
4.6
1.2
OpenCL
2.2
N/A
Vulkan
1.3
-
-
-
5.0
Shader Model
6.7
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