Radeon HD 3450 PCI vs Radeon RX 7950 XT
We compared two Desktop platform GPUs: 512MB VRAM Radeon HD 3450 PCI and 20GB VRAM Radeon RX 7950 XT to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
Radeon HD 3450 PCI 's Advantages
Lower TDP (25W vs 300W)
Radeon RX 7950 XT 's Advantages
Boost Clock3000MHz
More VRAM (20GB vs 512GB)
Larger VRAM bandwidth (800.0GB/s vs 6.400GB/s)
5336 additional rendering cores
Score
Benchmark
FP32 (float)
Radeon HD 3450 PCI
48
Radeon RX 7950 XT
+134295%
64510
Graphics Card
Jan 2008
Release Date
Unknown
Radeon R600
Generation
Navi III
Desktop
Type
Desktop
PCI
Bus Interface
PCIe 4.0 x16
Clock Speeds
-
Base Clock
2000 MHz
-
Boost Clock
3000 MHz
400 MHz
Memory Clock
2500 MHz
Memory
512MB
Memory Size
20GB
DDR2
Memory Type
GDDR6
64bit
Memory Bus
320bit
6.400GB/s
Bandwidth
800.0GB/s
Render Config
2
Compute Units
84
40
Shading Units
5376
4
TMUs
336
4
ROPs
192
-
RT Cores
84
-
L1 Cache
256 KB per Array
64 KB
L2 Cache
6 MB
-
L3 Cache
80 MB
Theoretical Performance
2.400 GPixel/s
Pixel Rate
576.0 GPixel/s
2.400 GTexel/s
Texture Rate
1008 GTexel/s
-
FP16 (half)
129.0 TFLOPS
48.00 GFLOPS
FP32 (float)
64.51 TFLOPS
-
FP64 (double)
2.016 TFLOPS
Board Design
25W
TDP
300W
200 W
Suggested PSU
700 W
1x DVI
1x S-Video
Outputs
1x HDMI 2.1a
2x DisplayPort 2.1
1x USB Type-C
None
Power Connectors
2x 8-pin
Graphics Processor
RV620
GPU Name
Navi 31
RV620 LE
GPU Variant
Navi 31 XT+
TeraScale
Architecture
RDNA 3.0
TSMC
Foundry
TSMC
55 nm
Process Size
5 nm
0.181 billion
Transistors
57.7 billion
67 mm²
Die Size
529 mm²
Graphics Features
10.1 (10_1)
DirectX
12 Ultimate (12_2)
3.3
OpenGL
4.6
N/A
OpenCL
2.2
N/A
Vulkan
1.3
4.1
Shader Model
6.7
