GPU Comparison
RADEON
AMD Radeon Pro Vega 20
CORE STATE
Vega 12
VRAM
4 GB
CLOCK SPEED
1283 MHz
TDP
100 W
BUS WIDTH
1024 bit
ARCHITECTURE
GCN 5.0
PROCESS
14 nm
LAUNCH DATE
2018
VS
GEFORCE
A2
CORE STATE
GA107
VRAM
16 GB
CLOCK SPEED
1770 MHz
TDP
60 W
BUS WIDTH
128 bit
ARCHITECTURE
Ampere
PROCESS
8 nm
LAUNCH DATE
2021
PERFORMANCE BENCHMARKS
geekbench_metal
geekbench_opencl
geekbench_vulkan
DETAILED SPECIFICATIONS
SPECIFICATION
Pro Vega 20
A2
Core Specs
Shading Units
1,280
1,280
0.0%
Shaders
1,280
1,280
0.0%
TMUs
80
40
-50.0%
ROPs
32
32
0.0%
Compute Units
20
—
SM Count
—
10
Clocks
Base Clock
815 MHz
1440 MHz
Boost Clock
1283 MHz
1770 MHz
Memory Clock
740 MHz
1480 Mbps effective
1563 MHz
12.5 Gbps effective
Memory
Memory Size
4 GB
16 GB
VRAM (MB)
4,096
16,384
+300.0%
Memory Type
HBM2
GDDR6
Memory Bus
1024 bit
128 bit
Bandwidth
189.4 GB/s
200.1 GB/s
Cache
L1 Cache
16 KB (per CU)
128 KB (per SM)
L2 Cache
1024 KB
2 MB
Performance
Pixel Rate
41.06 GPixel/s
56.64 GPixel/s
Texture Rate
102.6 GTexel/s
70.80 GTexel/s
FP32 (TFLOPS)
3.284 TFLOPS
4.531 TFLOPS
FP64 (TFLOPS)
205.3 GFLOPS (1:16)
70.80 GFLOPS (1:64)
FP16 (TFLOPS)
6.569 TFLOPS (2:1)
4.531 TFLOPS (1:1)
AI/RT
RT Cores
—
10
Tensor Cores
—
40
Power
TDP
100 W
60 W
TDP (W)
100
60
-40.0%
Suggested PSU
—
250 W
Power Connectors
—
None
Architecture
Architecture
GCN 5.0
Ampere
GPU Name
Vega 12
GA107
Generation
Radeon Pro Mac
(Vega Series)
Workstation Ampere
(Ax000)
Process Size
14 nm
8 nm
Transistors
—
8,700 million
Die Size
—
200 mm²
Foundry
GlobalFoundries
Samsung
Density
—
43.5M / mm²
API Support
DirectX
12 (12_1)
12 Ultimate (12_2)
OpenGL
4.6
4.6
Vulkan
1.3
1.4
OpenCL
2.1
3.0
CUDA
—
8.6
Shader Model
6.0
6.8
Physical
Slot Width
IGP
Single-slot
Outputs
Portable Device Dependent
No outputs
Bus Interface
PCIe 3.0 x16
PCIe 4.0 x8
Other
Production
End-of-life
End-of-life
Predecessor
—
Quadro Turing
Successor
—
Workstation Ada