Radeon RX 5700 XT vs Radeon HD 6450
We compared two Desktop platform GPUs: 8GB VRAM Radeon RX 5700 XT and 512MB VRAM Radeon HD 6450 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
Radeon RX 5700 XT 's Advantages
Released 8 years and 3 months late
Boost Clock1905MHz
More VRAM (8GB vs 512GB)
Larger VRAM bandwidth (448.0GB/s vs 25.60GB/s)
2400 additional rendering cores
Radeon HD 6450 's Advantages
Lower TDP (18W vs 225W)
Score
Benchmark
FP32 (float)
Radeon RX 5700 XT
+4777%
9754
Radeon HD 6450
200
Graphics Card
Jul 2019
Release Date
Apr 2011
Navi
Generation
Northern Islands
Desktop
Type
Desktop
PCIe 4.0 x16
Bus Interface
PCIe 2.0 x16
Clock Speeds
1605 MHz
Base Clock
-
1905 MHz
Boost Clock
-
1750 MHz
Memory Clock
800 MHz
Memory
8GB
Memory Size
512MB
GDDR6
Memory Type
GDDR5
256bit
Memory Bus
64bit
448.0GB/s
Bandwidth
25.60GB/s
Render Config
40
Compute Units
2
2560
Shading Units
160
160
TMUs
8
64
ROPs
4
-
L1 Cache
8 KB (per CU)
4 MB
L2 Cache
128 KB
Theoretical Performance
121.9 GPixel/s
Pixel Rate
2.500 GPixel/s
304.8 GTexel/s
Texture Rate
5.000 GTexel/s
19.51 TFLOPS
FP16 (half)
-
9.754 TFLOPS
FP32 (float)
200.0 GFLOPS
609.6 GFLOPS
FP64 (double)
-
Board Design
225W
TDP
18W
550 W
Suggested PSU
200 W
1x HDMI 2.1
3x DisplayPort 1.4a
Outputs
1x DVI
1x HDMI 1.3a
1x VGA
1x 6-pin + 1x 8-pin
Power Connectors
None
Graphics Processor
Navi 10
GPU Name
Caicos
Navi 10 XT
(215-0917210)
GPU Variant
Caicos PRO
RDNA 1.0
Architecture
TeraScale 2
TSMC
Foundry
TSMC
7 nm
Process Size
40 nm
10.3 billion
Transistors
0.37 billion
251 mm²
Die Size
67 mm²
Graphics Features
12 (12_1)
DirectX
11.2 (11_0)
4.6
OpenGL
4.4
2.1
OpenCL
1.2
1.3
Vulkan
N/A
6.5
Shader Model
5.0
