AMD Radeon RX 6650M XT vs AMD Radeon HD 6990
GPU Specs Compare
Graphics Card
Release Date
Jan 2022
Mar 2011
Generation
Mobility Radeon
Northern Islands
Type
Mobile
Desktop
Bus Interface
PCIe 4.0 x8
PCIe 2.0 x16
Clock Speeds
Base Clock
2068 MHz
-
Boost Clock
2416 MHz
-
Memory Clock
2000 MHz
1250 MHz
Memory
Memory Size
8GB
2GB
Memory Type
GDDR6
GDDR5
Memory Bus
128bit
256bit
Bandwidth
256.0GB/s
160.0GB/s
Render Config
Compute Units
32
24
Shading Units
2048
1536
TMUs
128
96
ROPs
64
32
RT Cores
32
-
L1 Cache
128 KB per Array
8 KB (per CU)
L2 Cache
2 MB
512 KB
L3 Cache
32 MB
-
Theoretical Performance
Pixel Rate
154.6 GPixel/s
26.56 GPixel/s
Texture Rate
309.2 GTexel/s
79.68 GTexel/s
FP16 (half)
19.79 TFLOPS
-
FP32 (float)
9.896 TFLOPS
2.550 TFLOPS
FP64 (double)
618.5 GFLOPS
637.4 GFLOPS
Graphics Processor
GPU Name
Navi 23
Antilles
Architecture
RDNA 2.0
TeraScale 3
Foundry
TSMC
TSMC
Process Size
7 nm
40 nm
Transistors
11.06 billion
2.64 billion
Die Size
237 mm²
389 mm²
GPU Variant
-
Antilles XT(215-0807027)
Board Design
TDP
120W
375W
Outputs
No outputs
1x DVI4x mini-DisplayPort 1.2
Power Connectors
None
2x 8-pin
Suggested PSU
-
750 W
Graphics Features
DirectX
12 Ultimate (12_2)
11.2 (11_0)
OpenGL
4.6
4.4
OpenCL
2.1
1.2
Vulkan
1.3
N/A
Shader Model
6.5
5.0