AMD Steam Deck GPU vs AMD Radeon HD 6990
GPU Specs Compare
Graphics Card
Release Date
Feb 2022
Mar 2011
Generation
Console GPU
Northern Islands
Type
Game console
Desktop
Bus Interface
-
PCIe 2.0 x16
Clock Speeds
Base Clock
1000 MHz
-
Boost Clock
1600 MHz
-
Memory Clock
1375 MHz
1250 MHz
Memory
Memory Size
16GB
2GB
Memory Type
LPDDR5
GDDR5
Memory Bus
128bit
256bit
Bandwidth
88.00GB/s
160.0GB/s
Render Config
Compute Units
8
24
Shading Units
512
1536
TMUs
32
96
ROPs
16
32
RT Cores
8
-
L1 Cache
128 KB per Array
8 KB (per CU)
L2 Cache
1024 KB
512 KB
L3 Cache
8 MB
-
Theoretical Performance
Pixel Rate
25.60 GPixel/s
26.56 GPixel/s
Texture Rate
51.20 GTexel/s
79.68 GTexel/s
FP16 (half)
3.277 TFLOPS
-
FP32 (float)
1.638 TFLOPS
2.550 TFLOPS
FP64 (double)
102.4 GFLOPS
637.4 GFLOPS
Graphics Processor
GPU Name
Van Gogh
Antilles
GPU Variant
100-000000405
Antilles XT(215-0807027)
Architecture
RDNA 2.0
TeraScale 3
Foundry
TSMC
TSMC
Process Size
7 nm
40 nm
Transistors
2.4 billion
2.64 billion
Die Size
163 mm²
389 mm²
Board Design
TDP
15W
375W
Outputs
1x USB Type-C
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
2.0
1.2
Vulkan
1.3
N/A
Shader Model
6.8
5.0