AMD Radeon HD 8950 OEM vs AMD Radeon RX 6650 XT
GPU Specs Compare
Graphics Card
Release Date
Jan 2013
May 2022
Generation
Sea Islands
Navi II
Type
Desktop
Desktop
Bus Interface
PCIe 3.0 x16
PCIe 4.0 x8
Clock Speeds
Base Clock
850 MHz
2055 MHz
Boost Clock
925 MHz
2635 MHz
Memory Clock
1250 MHz
2190 MHz
Memory
Memory Size
3GB
8GB
Memory Type
GDDR5
GDDR6
Memory Bus
384bit
128bit
Bandwidth
240.0GB/s
280.3GB/s
Render Config
Compute Units
28
32
Shading Units
1792
2048
TMUs
112
128
ROPs
32
64
L1 Cache
16 KB (per CU)
128 KB per Array
L2 Cache
768 KB
2 MB
RT Cores
-
32
L3 Cache
-
32 MB
Theoretical Performance
Pixel Rate
29.60 GPixel/s
168.6 GPixel/s
Texture Rate
103.6 GTexel/s
337.3 GTexel/s
FP32 (float)
3.315 TFLOPS
10.79 TFLOPS
FP64 (double)
828.8 GFLOPS
674.6 GFLOPS
FP16 (half)
-
21.59 TFLOPS
Graphics Processor
GPU Name
Tahiti
Navi 23
GPU Variant
Tahiti PRO(215-0821056)
Navi 23 KXT(215-130000136)
Architecture
GCN 1.0
RDNA 2.0
Foundry
TSMC
TSMC
Process Size
28 nm
7 nm
Transistors
4.313 billion
11.06 billion
Die Size
352 mm²
237 mm²
Board Design
TDP
200W
176W
Suggested PSU
550 W
450 W
Outputs
1x DVI1x HDMI 1.4a2x mini-DisplayPort 1.2
1x HDMI 2.13x DisplayPort 1.4a
Power Connectors
2x 6-pin
1x 8-pin
Graphics Features
DirectX
12 (11_1)
12 Ultimate (12_2)
OpenGL
4.6
4.6
OpenCL
1.2
2.1
Vulkan
1.2
1.3
Shader Model
5.1
6.5