GPU Comparison
RADEON
AMD Radeon Pro Vega II
CORE STATE
Vega 20
VRAM
32 GB
CLOCK SPEED
1720 MHz
TDP
475 W
BUS WIDTH
4096 bit
ARCHITECTURE
GCN 5.1
PROCESS
7 nm
LAUNCH DATE
2019
VS
GEFORCE
RTX A4000
CORE STATE
GA104
VRAM
16 GB
CLOCK SPEED
1560 MHz
TDP
140 W
BUS WIDTH
256 bit
ARCHITECTURE
Ampere
PROCESS
8 nm
LAUNCH DATE
2021
PERFORMANCE BENCHMARKS
geekbench_metal
geekbench_opencl
geekbench_vulkan
3dmark_3dmark_steel_nomad_dx12
passmark_directx_10
passmark_directx_11
passmark_directx_12
passmark_directx_9
passmark_g2d
passmark_g3d
passmark_gpu_compute
DETAILED SPECIFICATIONS
SPECIFICATION
Pro Vega II
RTX A4000
Core Specs
Shading Units
4,096
6,144
+50.0%
Shaders
4,096
6,144
+50.0%
TMUs
256
192
-25.0%
ROPs
64
96
+50.0%
Compute Units
64
—
SM Count
—
48
Clocks
Base Clock
1574 MHz
735 MHz
Boost Clock
1720 MHz
1560 MHz
Memory Clock
806 MHz
1612 Mbps effective
1750 MHz
14 Gbps effective
Memory
Memory Size
32 GB
16 GB
VRAM (MB)
32,768
16,384
-50.0%
Memory Type
HBM2
GDDR6
Memory Bus
4096 bit
256 bit
Bandwidth
825.3 GB/s
448.0 GB/s
Cache
L1 Cache
16 KB (per CU)
128 KB (per SM)
L2 Cache
4 MB
4 MB
Performance
Pixel Rate
110.1 GPixel/s
149.8 GPixel/s
Texture Rate
440.3 GTexel/s
299.5 GTexel/s
FP32 (TFLOPS)
14.09 TFLOPS
19.17 TFLOPS
FP64 (TFLOPS)
7.045 TFLOPS (1:2)
299.5 GFLOPS (1:64)
FP16 (TFLOPS)
28.18 TFLOPS (2:1)
19.17 TFLOPS (1:1)
AI/RT
RT Cores
—
48
Tensor Cores
—
192
Power
TDP
475 W
140 W
TDP (W)
475
140
-70.5%
Suggested PSU
850 W
300 W
Power Connectors
—
1x 6-pin
Architecture
Architecture
GCN 5.1
Ampere
GPU Name
Vega 20
GA104
Generation
Radeon Pro Mac
(Vega Series)
Workstation Ampere
(Ax000)
Process Size
7 nm
8 nm
Transistors
13,230 million
17,400 million
Die Size
331 mm²
392 mm²
Foundry
TSMC
Samsung
Density
40.0M / mm²
44.4M / 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
6.7
6.8
Physical
Slot Width
Quad-slot
Single-slot
Length
—
241 mm
9.5 inches
Height
—
112 mm
4.4 inches
Outputs
1x HDMI 2.0b4x Thunderbolt
4x DisplayPort 1.4a
Bus Interface
Apple MPX
PCIe 4.0 x16
Other
Launch Price
2,199 USD
—
Production
End-of-life
End-of-life
Predecessor
—
Quadro Turing
Successor
—
Workstation Ada