AMD Radeon RX 6300M vs AMD Radeon HD 6870
GPU · Specs Compare
Graphics Card
Release Date
Jan 2022
Oct 2010
Generation
Mobility Radeon
Northern Islands
Type
Mobile
Desktop
Bus Interface
PCIe 4.0 x4
PCIe 2.0 x16
Clock Speeds
Base Clock
2000 MHz
—
Boost Clock
2400 MHz
—
Memory Clock
2250 MHz
1050 MHz
Memory
Memory Size
2GB
1024MB
Memory Type
GDDR6
GDDR5
Memory Bus
32bit
256bit
Bandwidth
72.00GB/s
134.4GB/s
Render Config
Compute Units
12
14
Shading Units
768
1120
TMUs
48
56
ROPs
32
32
RT Cores
12
—
L1 Cache
128 KB per Array
8 KB (per CU)
L2 Cache
1024 KB
512 KB
L3 Cache
8 MB
—
Theoretical Performance
Pixel Rate
76.80 GPixel/s
28.80 GPixel/s
Texture Rate
115.2 GTexel/s
50.40 GTexel/s
FP16 (half)
7.373 TFLOPS
—
FP32 (float)
3.686 TFLOPS
2.016 TFLOPS
FP64 (double)
230.4 GFLOPS
—
Graphics Processor
GPU Name
Navi 24
Barts
GPU Variant
Navi 24 XML
Barts XT(215-0798000)
Architecture
RDNA 2.0
TeraScale 2
Foundry
TSMC
TSMC
Process Size
6 nm
40 nm
Transistors
5.4 billion
1.7 billion
Die Size
107 mm²
255 mm²
Board Design
TDP
35W
151W
Outputs
No outputs
2x DVI1x HDMI 1.3a2x mini-DisplayPort 1.1
Power Connectors
None
2x 6-pin
Suggested PSU
—
450 W
Graphics Features
DirectX
12 Ultimate (12_2)
11.2 (11_0)
OpenGL
4.6
4.4
OpenCL
2.2
1.2
Vulkan
1.3
N/A
Shader Model
6.6
5.0
▲ Specs Compare
Data sourced from official specifications and benchmark tests.