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GPU Comparison
AMD Radeon RX 550X 640SP vs AMD Radeon HD 6450 OEM
AMD Radeon RX 550X 640SP vs AMD Radeon HD 6450 OEM
VS
AMD Radeon RX 550X 640SP
AMD Radeon HD 6450 OEM
We compared two Desktop platform GPUs: 2GB VRAM Radeon RX 550X 640SP 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 RX 550X 640SP 's Advantages
Released 7 years and 2 months late
Boost Clock1071MHz
Larger VRAM bandwidth (96.00GB/s vs 8.528GB/s)
480 additional rendering cores
AMD Radeon HD 6450 OEM 's Advantages
Lower TDP (18W vs 60W)
Score
Benchmark
FP32 (float)
Radeon RX 550X 640SP
+585%
1.371 TFLOPS
Radeon HD 6450 OEM
0.2 TFLOPS
Radeon RX 550X 640SP
VS
Radeon HD 6450 OEM
Graphics Card
Apr 2018
Release Date
Feb 2011
Polaris
Generation
Northern Islands
Desktop
Type
Desktop
PCIe 3.0 x8
Bus Interface
PCIe 2.0 x16
Clock Speeds
1019 MHz
Base Clock
-
1071 MHz
Boost Clock
-
1500 MHz
Memory Clock
533 MHz
Memory
2GB
Memory Size
512MB
GDDR5
Memory Type
GDDR3
128bit
Memory Bus
64bit
96.00GB/s
Bandwidth
8.528GB/s
Render Config
-
SM Count
-
10
Compute Units
2
640
Shading Units
160
40
TMUs
8
16
ROPs
4
-
Tensor Cores
-
-
RT Cores
-
16 KB (per CU)
L1 Cache
8 KB (per CU)
1024 KB
L2 Cache
128 KB
Theoretical Performance
17.14 GPixel/s
Pixel Rate
2.500 GPixel/s
42.84 GTexel/s
Texture Rate
5.000 GTexel/s
1371 GFLOPS
FP16 (half)
-
1371 GFLOPS
FP32 (float)
200.0 GFLOPS
85.68 GFLOPS
FP64 (double)
-
Graphics Processor
Baffin
GPU Name
Caicos
Baffin LE
GPU Variant
Junbonator
GCN 4.0
Architecture
TeraScale 2
GlobalFoundries
Foundry
TSMC
14 nm
Process Size
40 nm
3 billion
Transistors
0.37 billion
123 mm²
Die Size
67 mm²
Board Design
60W
TDP
18W
250 W
Suggested PSU
200 W
1x DVI 1x HDMI 2.0b 1x DisplayPort 1.4a
Outputs
1x DVI 1x HDMI 1.3a 1x VGA
None
Power Connectors
None
Graphics Features
12 (12_0)
DirectX
11.2 (11_0)
4.6
OpenGL
4.4
2.1
OpenCL
1.2
1.2
Vulkan
N/A
-
CUDA
-
6.4
Shader Model
5.0
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8
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9
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