Radeon RX 6750 XT vs Radeon HD 3450 X2
We compared two Desktop platform GPUs: 12GB VRAM Radeon RX 6750 XT and 512MB VRAM Radeon HD 3450 X2 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
Radeon RX 6750 XT 's Advantages
Released 14 years and 3 months late
Boost Clock2600MHz
More VRAM (12GB vs 512GB)
Larger VRAM bandwidth (432.0GB/s vs 8.000GB/s)
2520 additional rendering cores
Radeon HD 3450 X2 's Advantages
Lower TDP (50W vs 250W)
Score
Benchmark
FP32 (float)
Radeon RX 6750 XT
+27629%
13310
Radeon HD 3450 X2
48
Graphics Card
Mar 2022
Release Date
Dec 2007
Navi II
Generation
Radeon R600
Desktop
Type
Desktop
PCIe 4.0 x16
Bus Interface
PCIe 2.0 x16
Clock Speeds
2150 MHz
Base Clock
-
2600 MHz
Boost Clock
-
2250 MHz
Memory Clock
500 MHz
Memory
12GB
Memory Size
512MB
GDDR6
Memory Type
DDR2
192bit
Memory Bus
64bit
432.0GB/s
Bandwidth
8.000GB/s
Render Config
40
Compute Units
2
2560
Shading Units
40
160
TMUs
4
64
ROPs
4
40
RT Cores
-
128 KB per Array
L1 Cache
-
3 MB
L2 Cache
64 KB
96 MB
L3 Cache
-
Theoretical Performance
166.4 GPixel/s
Pixel Rate
2.400 GPixel/s
416.0 GTexel/s
Texture Rate
2.400 GTexel/s
26.62 TFLOPS
FP16 (half)
-
13.31 TFLOPS
FP32 (float)
48.00 GFLOPS
832.0 GFLOPS
FP64 (double)
-
Board Design
250W
TDP
50W
600 W
Suggested PSU
250 W
1x HDMI 2.1
3x DisplayPort 1.4a
Outputs
2x DMS-59
1x 6-pin + 1x 8-pin
Power Connectors
None
Graphics Processor
Navi 22
GPU Name
RV620
Navi 22 KXT
(215-127000144)
GPU Variant
RV620 LE
RDNA 2.0
Architecture
TeraScale
TSMC
Foundry
TSMC
7 nm
Process Size
55 nm
17.2 billion
Transistors
0.181 billion
335 mm²
Die Size
67 mm²
Graphics Features
12 Ultimate (12_2)
DirectX
10.1 (10_1)
4.6
OpenGL
3.3
2.1
OpenCL
N/A
1.3
Vulkan
N/A
6.5
Shader Model
4.1
