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
RADEON
Radeon RX 9070 XT
CORE STATE
Navi 48
VRAM
16 GB
CLOCK SPEED
2970 MHz
TDP
304 W
BUS WIDTH
256 bit
ARCHITECTURE
RDNA 4.0
PROCESS
4 nm
LAUNCH DATE
2025
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
RX 9070 XT
Core Specs
Shading Units
1,792
4,096
+128.6%
Shaders
1,792
4,096
+128.6%
TMUs
112
256
+128.6%
ROPs
64
128
+100.0%
Compute Units
28
64
+128.6%
Clocks
Base Clock
1700 MHz
1660 MHz
Boost Clock
2000 MHz
2970 MHz
Game Clock
1881 MHz
2400 MHz
Memory Clock
1750 MHz
14 Gbps effective
2518 MHz
20.1 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
644.6 GB/s
Cache
L1 Cache
128 KB per Array
—
L2 Cache
2 MB
8 MB
L3 Cache
32 MB
64 MB
L0 Cache
32 KB per WGP
32 KB per WGP
Performance
Pixel Rate
128.0 GPixel/s
380.2 GPixel/s
Texture Rate
224.0 GTexel/s
760.3 GTexel/s
FP32 (TFLOPS)
7.168 TFLOPS
48.66 TFLOPS
FP64 (TFLOPS)
448.0 GFLOPS (1:16)
1.521 TFLOPS (1:32)
FP16 (TFLOPS)
14.34 TFLOPS (2:1)
97.32 TFLOPS (2:1)
AI/RT
RT Cores
28
64
+128.6%
Matrix Cores
—
128
Power
TDP
80 W
304 W
TDP (W)
80
304
+280.0%
Suggested PSU
—
700 W
Power Connectors
None
2x 8-pin
Architecture
Architecture
RDNA 2.0
RDNA 4.0
GPU Name
Navi 23
Navi 48
Generation
Navi Mobile
(RX 6000M)
Navi IV
(RX 9000)
Process Size
7 nm
4 nm
Transistors
11,060 million
53,900 million
Die Size
237 mm²
357 mm²
Foundry
TSMC
TSMC
Density
46.7M / mm²
151.0M / 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
2.2
Shader Model
6.8
6.8
Physical
Slot Width
IGP
Dual-slot
Outputs
Portable Device Dependent
1x HDMI 2.1b3x DisplayPort 2.1a
Bus Interface
PCIe 4.0 x8
PCIe 5.0 x16
Other
Launch Price
—
599 USD
Production
End-of-life
Active
Predecessor
Polaris Mobile
Navi III