AMD Radeon HD 6870 vs AMD Radeon RX 6650 XT
GPU Specs Compare
Graphics Card
Release Date
Oct 2010
May 2022
Generation
Northern Islands
Navi II
Type
Desktop
Desktop
Bus Interface
PCIe 2.0 x16
PCIe 4.0 x8
Clock Speeds
Memory Clock
1050 MHz
2190 MHz
Base Clock
-
2055 MHz
Boost Clock
-
2635 MHz
Memory
Memory Size
1024MB
8GB
Memory Type
GDDR5
GDDR6
Memory Bus
256bit
128bit
Bandwidth
134.4GB/s
280.3GB/s
Render Config
Compute Units
14
32
Shading Units
1120
2048
TMUs
56
128
ROPs
32
64
L1 Cache
8 KB (per CU)
128 KB per Array
L2 Cache
512 KB
2 MB
RT Cores
-
32
L3 Cache
-
32 MB
Theoretical Performance
Pixel Rate
28.80 GPixel/s
168.6 GPixel/s
Texture Rate
50.40 GTexel/s
337.3 GTexel/s
FP32 (float)
2.016 TFLOPS
10.79 TFLOPS
FP16 (half)
-
21.59 TFLOPS
FP64 (double)
-
674.6 GFLOPS
Graphics Processor
GPU Name
Barts
Navi 23
GPU Variant
Barts XT(215-0798000)
Navi 23 KXT(215-130000136)
Architecture
TeraScale 2
RDNA 2.0
Foundry
TSMC
TSMC
Process Size
40 nm
7 nm
Transistors
1.7 billion
11.06 billion
Die Size
255 mm²
237 mm²
Board Design
TDP
151W
176W
Suggested PSU
450 W
450 W
Outputs
2x DVI1x HDMI 1.3a2x mini-DisplayPort 1.1
1x HDMI 2.13x DisplayPort 1.4a
Power Connectors
2x 6-pin
1x 8-pin
Graphics Features
DirectX
11.2 (11_0)
12 Ultimate (12_2)
OpenGL
4.4
4.6
OpenCL
1.2
2.1
Vulkan
N/A
1.3
Shader Model
5.0
6.5