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GPU Comparison
AMD Radeon R9 270X vs AMD Radeon HD 6450 OEM
AMD Radeon R9 270X vs AMD Radeon HD 6450 OEM
VS
AMD Radeon R9 270X
AMD Radeon HD 6450 OEM
We compared two Desktop platform GPUs: 2GB VRAM Radeon R9 270X and 512MB VRAM Radeon HD 6450 OEM to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
AMD Radeon R9 270X 's Advantages
Released 2 years and 8 months late
Boost Clock1050MHz
Larger VRAM bandwidth (179.2GB/s vs 8.528GB/s)
1120 additional rendering cores
AMD Radeon HD 6450 OEM 's Advantages
Lower TDP (18W vs 180W)
Score
Benchmark
FP32 (float)
Radeon R9 270X
+1244%
2.688 TFLOPS
Radeon HD 6450 OEM
0.2 TFLOPS
Radeon R9 270X
VS
Radeon HD 6450 OEM
Graphics Card
Oct 2013
Release Date
Feb 2011
Volcanic Islands
Generation
Northern Islands
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
533 MHz
Memory
2GB
Memory Size
512MB
GDDR5
Memory Type
GDDR3
256bit
Memory Bus
64bit
179.2GB/s
Bandwidth
8.528GB/s
Render Config
-
SM Count
-
20
Compute Units
2
1280
Shading Units
160
80
TMUs
8
32
ROPs
4
-
Tensor Cores
-
-
RT Cores
-
16 KB (per CU)
L1 Cache
8 KB (per CU)
512 KB
L2 Cache
128 KB
Theoretical Performance
33.60 GPixel/s
Pixel Rate
2.500 GPixel/s
84.00 GTexel/s
Texture Rate
5.000 GTexel/s
-
FP16 (half)
-
2.688 TFLOPS
FP32 (float)
200.0 GFLOPS
168.0 GFLOPS
FP64 (double)
-
Graphics Processor
Curacao
GPU Name
Caicos
Curacao XT (215-0848004)
GPU Variant
Junbonator
GCN 1.0
Architecture
TeraScale 2
TSMC
Foundry
TSMC
28 nm
Process Size
40 nm
2.8 billion
Transistors
0.37 billion
212 mm²
Die Size
67 mm²
Board Design
180W
TDP
18W
450 W
Suggested PSU
200 W
2x DVI 1x HDMI 1.4a 1x DisplayPort 1.2
Outputs
1x DVI 1x HDMI 1.3a 1x VGA
2x 6-pin
Power Connectors
None
Graphics Features
12 (11_1)
DirectX
11.2 (11_0)
4.6
OpenGL
4.4
1.2
OpenCL
1.2
1.2
Vulkan
N/A
-
CUDA
-
5.1
Shader Model
5.0
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