AMD Radeon HD 8990 OEM vs AMD Radeon RX 7900M
GPU · Specs Compare
Graphics Card
Release Date
Apr 2013
Oct 2023
Generation
Sea Islands
Navi Mobile
Type
Desktop
Mobile
Bus Interface
PCIe 3.0 x16
PCIe 4.0 x16
Clock Speeds
Base Clock
950 MHz
1825 MHz
Boost Clock
1000 MHz
2090 MHz
Memory Clock
1500 MHz
2250 MHz
Memory
Memory Size
3GB
16GB
Memory Type
GDDR5
GDDR6
Memory Bus
384bit
256bit
Bandwidth
288.0GB/s
576.0GB/s
Render Config
Compute Units
32
72
Shading Units
2048
4608
TMUs
128
288
ROPs
32
192
L1 Cache
16 KB (per CU)
256 KB per Array
L2 Cache
768 KB
6 MB
RT Cores
—
72
L3 Cache
—
64 MB
Theoretical Performance
Pixel Rate
32.00 GPixel/s
401.3 GPixel/s
Texture Rate
128.0 GTexel/s
601.9 GTexel/s
FP32 (float)
4.096 TFLOPS
38.52 TFLOPS
FP64 (double)
1024 GFLOPS
1204 GFLOPS
FP16 (half)
—
77.05 TFLOPS
Graphics Processor
GPU Name
Malta
Navi 31
GPU Variant
Malta XT(215-0849026)
Navi 31
Architecture
GCN 1.0
RDNA 3.0
Foundry
TSMC
TSMC
Process Size
28 nm
5 nm
Transistors
4.313 billion
57.7 billion
Die Size
365 mm²
529 mm²
Board Design
TDP
375W
180W
Suggested PSU
750 W
—
Outputs
1x DVI4x mini-DisplayPort 1.2
Portable Device Dependent
Power Connectors
2x 8-pin
None
Graphics Features
DirectX
12 (11_1)
12 Ultimate (12_2)
OpenGL
4.6
4.6
OpenCL
1.2
2.2
Vulkan
1.2
1.3
Shader Model
5.1
6.8
Benchmark
3DMark Time Spy
—
18,218
3DMark Time Spy Extreme
—
8,440
3DMark Speed Way
—
3,943
Blender
—
2,583
▲ Specs Compare
Data sourced from official specifications and benchmark tests.