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
RTX 4000 Ada Generation
CORE STATE
AD104
VRAM
20 GB
CLOCK SPEED
2175 MHz
TDP
130 W
BUS WIDTH
160 bit
ARCHITECTURE
Ada Lovelace
PROCESS
5 nm
LAUNCH DATE
2023
PERFORMANCE BENCHMARKS
geekbench_metal
geekbench_opencl
geekbench_vulkan
DETAILED SPECIFICATIONS
SPECIFICATION
Pro Vega 20
RTX 4000 Ada Generation
Core Specs
Shading Units
1,280
6,144
+380.0%
Shaders
1,280
6,144
+380.0%
TMUs
80
192
+140.0%
ROPs
32
64
+100.0%
Compute Units
20
—
SM Count
—
48
Clocks
Base Clock
815 MHz
1500 MHz
Boost Clock
1283 MHz
2175 MHz
Memory Clock
740 MHz
1480 Mbps effective
2250 MHz
18 Gbps effective
Memory
Memory Size
4 GB
20 GB
VRAM (MB)
4,096
20,480
+400.0%
Memory Type
HBM2
GDDR6
Memory Bus
1024 bit
160 bit
Bandwidth
189.4 GB/s
360.0 GB/s
Cache
L1 Cache
16 KB (per CU)
128 KB (per SM)
L2 Cache
1024 KB
48 MB
Performance
Pixel Rate
41.06 GPixel/s
139.2 GPixel/s
Texture Rate
102.6 GTexel/s
417.6 GTexel/s
FP32 (TFLOPS)
3.284 TFLOPS
26.73 TFLOPS
FP64 (TFLOPS)
205.3 GFLOPS (1:16)
417.6 GFLOPS (1:64)
FP16 (TFLOPS)
6.569 TFLOPS (2:1)
26.73 TFLOPS (1:1)
AI/RT
RT Cores
—
48
Tensor Cores
—
192
Power
TDP
100 W
130 W
TDP (W)
100
130
+30.0%
Suggested PSU
—
300 W
Power Connectors
—
1x 16-pin
Architecture
Architecture
GCN 5.0
Ada Lovelace
GPU Name
Vega 12
AD104
Generation
Radeon Pro Mac
(Vega Series)
Workstation Ada
(x000A)
Process Size
14 nm
5 nm
Transistors
—
35,800 million
Die Size
—
294 mm²
Foundry
GlobalFoundries
TSMC
Density
—
121.8M / 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
—
8.9
Shader Model
6.0
6.8
Physical
Slot Width
IGP
Single-slot
Length
—
245 mm
9.6 inches
Height
—
112 mm
4.4 inches
Outputs
Portable Device Dependent
4x DisplayPort 1.4a
Bus Interface
PCIe 3.0 x16
PCIe 4.0 x16
Other
Production
End-of-life
Active
Predecessor
—
Workstation Ampere
Successor
—
Blackwell PRO W