AMD Radeon HD 6990M vs AMD Radeon RX 6800S
GPU Specs Compare
Graphics Card
Release Date
Jul 2011
Jan 2022
Generation
Vancouver
Mobility Radeon
Type
Mobile
Mobile
Bus Interface
MXM-B (3.0)
PCIe 4.0 x8
Clock Speeds
Memory Clock
900 MHz
2000 MHz
Base Clock
-
1800 MHz
Boost Clock
-
2100 MHz
Memory
Memory Size
2GB
8GB
Memory Type
GDDR5
GDDR6
Memory Bus
256bit
128bit
Bandwidth
115.2GB/s
256.0GB/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
22.88 GPixel/s
134.4 GPixel/s
Texture Rate
40.04 GTexel/s
268.8 GTexel/s
FP32 (float)
1.602 TFLOPS
8.602 TFLOPS
FP16 (half)
-
17.20 TFLOPS
FP64 (double)
-
537.6 GFLOPS
Graphics Processor
GPU Name
Blackcomb
Navi 23
GPU Variant
Blackcomb XTX(216-0811030)
-
Architecture
TeraScale 2
RDNA 2.0
Foundry
TSMC
TSMC
Process Size
40 nm
7 nm
Transistors
1.7 billion
11.06 billion
Die Size
212 mm²
237 mm²
Board Design
TDP
100W
100W
Outputs
No outputs
No outputs
Power Connectors
None
None
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