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 GRE
CORE STATE
Navi 48
VRAM
12 GB
CLOCK SPEED
2790 MHz
TDP
220 W
BUS WIDTH
192 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
DETAILED SPECIFICATIONS
SPECIFICATION
RX 6600S
RX 9070 GRE
Core Specs
Shading Units
1,792
3,072
+71.4%
Shaders
1,792
3,072
+71.4%
TMUs
112
192
+71.4%
ROPs
64
96
+50.0%
Compute Units
28
48
+71.4%
Clocks
Base Clock
1700 MHz
1420 MHz
Boost Clock
2000 MHz
2790 MHz
Game Clock
1881 MHz
2220 MHz
Memory Clock
1750 MHz
14 Gbps effective
2250 MHz
18 Gbps effective
Memory
Memory Size
4 GB
12 GB
VRAM (MB)
4,096
12,288
+200.0%
Memory Type
GDDR6
GDDR6
Memory Bus
128 bit
192 bit
Bandwidth
224.0 GB/s
432.0 GB/s
Cache
L1 Cache
128 KB per Array
—
L2 Cache
2 MB
8 MB
L3 Cache
32 MB
48 MB
L0 Cache
32 KB per WGP
32 KB per WGP
Performance
Pixel Rate
128.0 GPixel/s
267.8 GPixel/s
Texture Rate
224.0 GTexel/s
535.7 GTexel/s
FP32 (TFLOPS)
7.168 TFLOPS
34.28 TFLOPS
FP64 (TFLOPS)
448.0 GFLOPS (1:16)
1,071.4 GFLOPS (1:32)
FP16 (TFLOPS)
14.34 TFLOPS (2:1)
68.57 TFLOPS (2:1)
AI/RT
RT Cores
28
48
+71.4%
Matrix Cores
—
96
Power
TDP
80 W
220 W
TDP (W)
80
220
+175.0%
Suggested PSU
—
550 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
Production
End-of-life
Active
Predecessor
Polaris Mobile
Navi III