GPU Comparison
RADEON
AMD Radeon RX 6600S
CORE STATE
Navi 23
VRAM
4 GB
CLOCK SPEED
2000 MHz
TDP
80 W
BUS WIDTH
128 bit
ARCHITECTURE
RDNA 2.0
PROCESS
7 nm
LAUNCH DATE
2022
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_opencl
passmark_directx_10
passmark_directx_11
passmark_directx_12
passmark_directx_9
passmark_g2d
passmark_g3d
passmark_gpu_compute
3dmark_3dmark_steel_nomad_dx12
geekbench_vulkan
DETAILED SPECIFICATIONS
SPECIFICATION
RX 6600S
RTX A4000
Core Specs
Shading Units
1,792
6,144
+242.9%
Shaders
1,792
6,144
+242.9%
TMUs
112
192
+71.4%
ROPs
64
96
+50.0%
Compute Units
28
—
SM Count
—
48
Clocks
Base Clock
1700 MHz
735 MHz
Boost Clock
2000 MHz
1560 MHz
Game Clock
1881 MHz
—
Memory Clock
1750 MHz
14 Gbps effective
1750 MHz
14 Gbps effective
Memory
Memory Size
4 GB
16 GB
VRAM (MB)
4,096
16,384
+300.0%
Memory Type
GDDR6
GDDR6
Memory Bus
128 bit
256 bit
Bandwidth
224.0 GB/s
448.0 GB/s
Cache
L1 Cache
128 KB per Array
128 KB (per SM)
L2 Cache
2 MB
4 MB
L3 Cache
32 MB
—
L0 Cache
32 KB per WGP
—
Performance
Pixel Rate
128.0 GPixel/s
149.8 GPixel/s
Texture Rate
224.0 GTexel/s
299.5 GTexel/s
FP32 (TFLOPS)
7.168 TFLOPS
19.17 TFLOPS
FP64 (TFLOPS)
448.0 GFLOPS (1:16)
299.5 GFLOPS (1:64)
FP16 (TFLOPS)
14.34 TFLOPS (2:1)
19.17 TFLOPS (1:1)
AI/RT
RT Cores
28
48
+71.4%
Tensor Cores
—
192
Power
TDP
80 W
140 W
TDP (W)
80
140
+75.0%
Suggested PSU
—
300 W
Power Connectors
None
1x 6-pin
Architecture
Architecture
RDNA 2.0
Ampere
GPU Name
Navi 23
GA104
Generation
Navi Mobile
(RX 6000M)
Workstation Ampere
(Ax000)
Process Size
7 nm
8 nm
Transistors
11,060 million
17,400 million
Die Size
237 mm²
392 mm²
Foundry
TSMC
Samsung
Density
46.7M / mm²
44.4M / mm²
API Support
DirectX
12 Ultimate (12_2)
12 Ultimate (12_2)
OpenGL
4.6
4.6
Vulkan
1.4
1.4
OpenCL
2.1
3.0
CUDA
—
8.6
Shader Model
6.8
6.8
Physical
Slot Width
IGP
Single-slot
Length
—
241 mm
9.5 inches
Height
—
112 mm
4.4 inches
Outputs
Portable Device Dependent
4x DisplayPort 1.4a
Bus Interface
PCIe 4.0 x8
PCIe 4.0 x16
Other
Production
End-of-life
End-of-life
Predecessor
Polaris Mobile
Quadro Turing
Successor
—
Workstation Ada