AMD Radeon HD 7990 vs AMD Radeon Pro Vega 48
GPU · Specs Compare
Graphics Card
Release Date
Apr 2013
Mar 2019
Generation
Southern Islands
Radeon Pro Mac
Type
Desktop
Mobile
Bus Interface
PCIe 3.0 x16
PCIe 3.0 x16
Clock Speeds
Base Clock
950 MHz
—
Boost Clock
1000 MHz
—
Memory Clock
1500 MHz
786 MHz
Memory
Memory Size
3GB
8GB
Memory Type
GDDR5
HBM2
Memory Bus
384bit
2048bit
Bandwidth
288.0GB/s
402.4GB/s
Render Config
Compute Units
32
48
Shading Units
2048
3072
TMUs
128
192
ROPs
32
64
L1 Cache
16 KB (per CU)
16 KB (per CU)
L2 Cache
768 KB
4 MB
Theoretical Performance
Pixel Rate
32.00 GPixel/s
76.80 GPixel/s
Texture Rate
128.0 GTexel/s
230.4 GTexel/s
FP32 (float)
4.096 TFLOPS
7.373 TFLOPS
FP64 (double)
1024 GFLOPS
460.8 GFLOPS
FP16 (half)
—
14.75 TFLOPS
Graphics Processor
GPU Name
Malta
Vega 10
GPU Variant
Malta XT(215-0849026)
Vega 10 PRO
Architecture
GCN 1.0
GCN 5.0
Foundry
TSMC
GlobalFoundries
Process Size
28 nm
14 nm
Transistors
4.313 billion
12.5 billion
Die Size
365 mm²
495 mm²
Board Design
TDP
375W
Unknown
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 (12_1)
OpenGL
4.6
4.6
OpenCL
1.2
2.1
Vulkan
1.2
1.3
Shader Model
5.1
6.7
▲ Specs Compare
Data sourced from official specifications and benchmark tests.