AMD Radeon HD 8990 OEM vs AMD Steam Deck OLED GPU
GPU Specs Compare
Graphics Card
Release Date
Apr 2013
Nov 2023
Generation
Sea Islands
Console GPU
Type
Desktop
Game console
Bus Interface
PCIe 3.0 x16
-
Clock Speeds
Base Clock
950 MHz
1000 MHz
Boost Clock
1000 MHz
1600 MHz
Memory Clock
1500 MHz
1375 MHz
Memory
Memory Size
3GB
16GB
Memory Type
GDDR5
LPDDR5
Memory Bus
384bit
128bit
Bandwidth
288.0GB/s
88.00GB/s
Render Config
Compute Units
32
8
Shading Units
2048
512
TMUs
128
32
ROPs
32
16
L1 Cache
16 KB (per CU)
128 KB per Array
L2 Cache
768 KB
1024 KB
RT Cores
-
8
L3 Cache
-
8 MB
Theoretical Performance
Pixel Rate
32.00 GPixel/s
25.60 GPixel/s
Texture Rate
128.0 GTexel/s
51.20 GTexel/s
FP32 (float)
4.096 TFLOPS
1.638 TFLOPS
FP64 (double)
1024 GFLOPS
102.4 GFLOPS
FP16 (half)
-
3.277 TFLOPS
Graphics Processor
GPU Name
Malta
Sephiroth
GPU Variant
Malta XT(215-0849026)
-
Architecture
GCN 1.0
RDNA 2.0
Foundry
TSMC
TSMC
Process Size
28 nm
6 nm
Transistors
4.313 billion
2.4 billion
Die Size
365 mm²
131 mm²
Board Design
TDP
375W
15W
Suggested PSU
750 W
-
Outputs
1x DVI4x mini-DisplayPort 1.2
1x USB Type-C
Power Connectors
2x 8-pin
-
Graphics Features
DirectX
12 (11_1)
12 (12_1)
OpenGL
4.6
4.6
OpenCL
1.2
2.0
Vulkan
1.2
1.2
Shader Model
5.1
6.5