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GPU Comparison
AMD Radeon R9 270X vs ATI Radeon HD 3450 X2
AMD Radeon R9 270X vs ATI Radeon HD 3450 X2
VS
AMD Radeon R9 270X
ATI Radeon HD 3450 X2
We compared two Desktop platform GPUs: 2GB VRAM Radeon R9 270X and 512MB VRAM Radeon HD 3450 X2 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
AMD Radeon R9 270X 's Advantages
Released 5 years and 10 months late
Boost Clock1050MHz
Larger VRAM bandwidth (179.2GB/s vs 8.000GB/s)
1240 additional rendering cores
ATI Radeon HD 3450 X2 's Advantages
Lower TDP (50W vs 180W)
Score
Benchmark
FP32 (float)
Radeon R9 270X
+5500%
2.688 TFLOPS
Radeon HD 3450 X2
0.048 TFLOPS
Radeon R9 270X
VS
Radeon HD 3450 X2
Graphics Card
Oct 2013
Release Date
Dec 2007
Volcanic Islands
Generation
Radeon R600
Desktop
Type
Desktop
PCIe 3.0 x16
Bus Interface
PCIe 2.0 x16
Clock Speeds
1000 MHz
Base Clock
-
1050 MHz
Boost Clock
-
1400 MHz
Memory Clock
500 MHz
Memory
2GB
Memory Size
512MB
GDDR5
Memory Type
DDR2
256bit
Memory Bus
64bit
179.2GB/s
Bandwidth
8.000GB/s
Render Config
-
SM Count
-
20
Compute Units
2
1280
Shading Units
40
80
TMUs
4
32
ROPs
4
-
Tensor Cores
-
-
RT Cores
-
16 KB (per CU)
L1 Cache
-
512 KB
L2 Cache
64 KB
Theoretical Performance
33.60 GPixel/s
Pixel Rate
2.400 GPixel/s
84.00 GTexel/s
Texture Rate
2.400 GTexel/s
-
FP16 (half)
-
2.688 TFLOPS
FP32 (float)
48.00 GFLOPS
168.0 GFLOPS
FP64 (double)
-
Graphics Processor
Curacao
GPU Name
RV620
Curacao XT (215-0848004)
GPU Variant
RV620 LE
GCN 1.0
Architecture
TeraScale
TSMC
Foundry
TSMC
28 nm
Process Size
55 nm
2.8 billion
Transistors
0.181 billion
212 mm²
Die Size
67 mm²
Board Design
180W
TDP
50W
450 W
Suggested PSU
250 W
2x DVI 1x HDMI 1.4a 1x DisplayPort 1.2
Outputs
2x DMS-59
2x 6-pin
Power Connectors
None
Graphics Features
12 (11_1)
DirectX
10.1 (10_1)
4.6
OpenGL
3.3
1.2
OpenCL
N/A
1.2
Vulkan
N/A
-
CUDA
-
5.1
Shader Model
4.1
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