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 6800
CORE STATE
Navi 21
VRAM
16 GB
CLOCK SPEED
2105 MHz
TDP
250 W
BUS WIDTH
256 bit
ARCHITECTURE
RDNA 2.0
PROCESS
7 nm
LAUNCH DATE
2020
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_metal
geekbench_vulkan
DETAILED SPECIFICATIONS
SPECIFICATION
RX 6600S
RX 6800
Core Specs
Shading Units
1,792
3,840
+114.3%
Shaders
1,792
3,840
+114.3%
TMUs
112
240
+114.3%
ROPs
64
96
+50.0%
Compute Units
28
60
+114.3%
Clocks
Base Clock
1700 MHz
1700 MHz
Boost Clock
2000 MHz
2105 MHz
Game Clock
1881 MHz
1815 MHz
Memory Clock
1750 MHz
14 Gbps effective
2000 MHz
16 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
512.0 GB/s
Cache
L1 Cache
128 KB per Array
128 KB per Array
L2 Cache
2 MB
4 MB
L3 Cache
32 MB
128 MB
L0 Cache
32 KB per WGP
32 KB per WGP
Performance
Pixel Rate
128.0 GPixel/s
202.1 GPixel/s
Texture Rate
224.0 GTexel/s
505.2 GTexel/s
FP32 (TFLOPS)
7.168 TFLOPS
16.17 TFLOPS
FP64 (TFLOPS)
448.0 GFLOPS (1:16)
1,010.4 GFLOPS (1:16)
FP16 (TFLOPS)
14.34 TFLOPS (2:1)
32.33 TFLOPS (2:1)
AI/RT
RT Cores
28
60
+114.3%
Power
TDP
80 W
250 W
TDP (W)
80
250
+212.5%
Suggested PSU
—
600 W
Power Connectors
None
2x 8-pin
Architecture
Architecture
RDNA 2.0
RDNA 2.0
GPU Name
Navi 23
Navi 21
Generation
Navi Mobile
(RX 6000M)
Navi II
(RX 6000)
Process Size
7 nm
7 nm
Transistors
11,060 million
26,800 million
Die Size
237 mm²
520 mm²
Foundry
TSMC
TSMC
Density
46.7M / mm²
51.5M / 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
2.1
Shader Model
6.8
6.8
Physical
Slot Width
IGP
Dual-slot
Length
—
267 mm
10.5 inches
Height
—
120 mm
4.7 inches
Outputs
Portable Device Dependent
1x HDMI 2.12x DisplayPort 1.4a1x USB Type-C
Bus Interface
PCIe 4.0 x8
PCIe 4.0 x16
Other
Launch Price
—
579 USD
Production
End-of-life
End-of-life
Predecessor
Polaris Mobile
Navi
Successor
—
Navi III