AMD Radeon HD 8990 OEM vs Intel Arc B580
GPU Specs Compare
Graphics Card
Release Date
Apr 2013
Dec 2024
Generation
Sea Islands
Battlemage
Type
Desktop
Desktop
Bus Interface
PCIe 3.0 x16
PCIe 4.0 x8
Clock Speeds
Base Clock
950 MHz
2670 MHz
Boost Clock
1000 MHz
2670 MHz
Memory Clock
1500 MHz
2375 MHz
Memory
Memory Size
3GB
12GB
Memory Type
GDDR5
GDDR6
Memory Bus
384bit
192bit
Bandwidth
288.0GB/s
456.0GB/s
Render Config
Compute Units
32
-
Shading Units
2048
2560
TMUs
128
160
ROPs
32
80
L1 Cache
16 KB (per CU)
256 KB (per EU)
L2 Cache
768 KB
18 MB
Tensor Cores
-
160
RT Cores
-
20
Theoretical Performance
Pixel Rate
32.00 GPixel/s
213.6 GPixel/s
Texture Rate
128.0 GTexel/s
427.2 GTexel/s
FP32 (float)
4.096 TFLOPS
13.67 TFLOPS
FP64 (double)
1024 GFLOPS
1.709 TFLOPS
FP16 (half)
-
27.34 TFLOPS
Graphics Processor
GPU Name
Malta
BMG-G21
GPU Variant
Malta XT(215-0849026)
SRPMF
Architecture
GCN 1.0
Xe2
Foundry
TSMC
TSMC
Process Size
28 nm
5 nm
Transistors
4.313 billion
19.6 billion
Die Size
365 mm²
272 mm²
Board Design
TDP
375W
190W
Suggested PSU
750 W
450 W
Outputs
1x DVI4x mini-DisplayPort 1.2
1x HDMI 2.1a3x DisplayPort 2.1
Power Connectors
2x 8-pin
1x 8-pin
Graphics Features
DirectX
12 (11_1)
12 Ultimate (12_2)
OpenGL
4.6
4.6
OpenCL
1.2
3.0
Vulkan
1.2
1.4
Shader Model
5.1
6.6
📊 Benchmark
Blender
-
1,935