Home GPU Comparison AMD Radeon HD 7450 OEM vs AMD Radeon RX 550X 640SP

AMD Radeon HD 7450 OEM vs AMD Radeon RX 550X 640SP

We compared two Desktop platform GPUs: 512MB VRAM Radeon HD 7450 OEM and 2GB VRAM Radeon RX 550X 640SP to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 7450 OEM 's Advantages
Lower TDP (18W vs 60W)
AMD Radeon RX 550X 640SP 's Advantages
Released 6 years and 3 months late
Boost Clock1071MHz
More VRAM (2GB vs 512GB)
Larger VRAM bandwidth (96.00GB/s vs 8.528GB/s)
480 additional rendering cores

Score

Benchmark

FP32 (float)
Radeon HD 7450 OEM
0.2 TFLOPS
Radeon RX 550X 640SP +585%
1.371 TFLOPS
VS

Graphics Card

Jan 2012
Release Date
Apr 2018
Southern Islands
Generation
Polaris
Desktop
Type
Desktop
PCIe 2.0 x16
Bus Interface
PCIe 3.0 x8

Clock Speeds

-
Base Clock
1019 MHz
-
Boost Clock
1071 MHz
533 MHz
Memory Clock
1500 MHz

Memory

512MB
Memory Size
2GB
GDDR3
Memory Type
GDDR5
64bit
Memory Bus
128bit
8.528GB/s
Bandwidth
96.00GB/s

Render Config

2
Compute Units
10
-
-
-
160
Shading Units
640
8
TMUs
40
4
ROPs
16
-
-
-
-
-
-
8 KB (per CU)
L1 Cache
16 KB (per CU)
128 KB
L2 Cache
1024 KB
-
-
-

Theoretical Performance

2.500 GPixel/s
Pixel Rate
17.14 GPixel/s
5.000 GTexel/s
Texture Rate
42.84 GTexel/s
-
FP16 (half)
1371 GFLOPS
200.0 GFLOPS
FP32 (float)
1371 GFLOPS
-
FP64 (double)
85.68 GFLOPS

Board Design

18W
TDP
60W
200 W
Suggested PSU
250 W
1x DVI 1x HDMI 1.3a
Outputs
1x DVI 1x HDMI 2.0b 1x DisplayPort 1.4a
None
Power Connectors
None

Graphics Processor

Caicos
GPU Name
Baffin
Caimour
GPU Variant
Baffin LE
TeraScale 2
Architecture
GCN 4.0
TSMC
Foundry
GlobalFoundries
40 nm
Process Size
14 nm
0.37 billion
Transistors
3 billion
67 mm²
Die Size
123 mm²

Graphics Features

11.2 (11_0)
DirectX
12 (12_0)
4.4
OpenGL
4.6
1.2
OpenCL
2.1
N/A
Vulkan
1.2
-
-
-
5.0
Shader Model
6.4

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