GPU Comparison
RADEON
AMD Radeon RX 6600M
CORE STATE
Navi 23
VRAM
8 GB
CLOCK SPEED
2416 MHz
TDP
100 W
BUS WIDTH
128 bit
ARCHITECTURE
RDNA 2.0
PROCESS
7 nm
LAUNCH DATE
2021
VS
RADEON
Radeon RX 7800 XT
CORE STATE
Navi 32
VRAM
16 GB
CLOCK SPEED
2430 MHz
TDP
263 W
BUS WIDTH
256 bit
ARCHITECTURE
RDNA 3.0
PROCESS
5 nm
LAUNCH DATE
2023
PERFORMANCE BENCHMARKS
3dmark_3dmark_steel_nomad_dx12
geekbench_metal
geekbench_opencl
geekbench_vulkan
passmark_directx_10
passmark_directx_11
passmark_directx_12
passmark_directx_9
passmark_g2d
passmark_g3d
passmark_gpu_compute
DETAILED SPECIFICATIONS
SPECIFICATION
RX 6600M
RX 7800 XT
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
2068 MHz
1295 MHz
Boost Clock
2416 MHz
2430 MHz
Game Clock
2177 MHz
2124 MHz
Memory Clock
1750 MHz
14 Gbps effective
2438 MHz
19.5 Gbps effective
Memory
Memory Size
8 GB
16 GB
VRAM (MB)
8,192
16,384
+100.0%
Memory Type
GDDR6
GDDR6
Memory Bus
128 bit
256 bit
Bandwidth
224.0 GB/s
624.1 GB/s
Cache
L1 Cache
128 KB per Array
128 KB per Array
L2 Cache
2 MB
4 MB
L3 Cache
32 MB
64 MB
L0 Cache
32 KB per WGP
32 KB per WGP
Performance
Pixel Rate
154.6 GPixel/s
233.3 GPixel/s
Texture Rate
270.6 GTexel/s
583.2 GTexel/s
FP32 (TFLOPS)
8.659 TFLOPS
37.32 TFLOPS
FP64 (TFLOPS)
541.2 GFLOPS (1:16)
1,166.4 GFLOPS (1:32)
FP16 (TFLOPS)
17.32 TFLOPS (2:1)
74.65 TFLOPS (2:1)
AI/RT
RT Cores
28
60
+114.3%
Matrix Cores
—
120
Power
TDP
100 W
263 W
TDP (W)
100
263
+163.0%
Suggested PSU
—
600 W
Power Connectors
None
2x 8-pin
Architecture
Architecture
RDNA 2.0
RDNA 3.0
GPU Name
Navi 23
Navi 32
Codename
—
Wheat Nas
Generation
Navi Mobile
(RX 6000M)
Navi III
(RX 7000)
Process Size
7 nm
5 nm
Transistors
11,060 million
28,100 million
Die Size
237 mm²
346 mm²
Foundry
TSMC
TSMC
Density
46.7M / mm²
81.2M / 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
Length
—
267 mm
10.5 inches
Height
—
111 mm
4.4 inches
Outputs
Portable Device Dependent
1x HDMI 2.1a3x DisplayPort 2.1
Bus Interface
PCIe 4.0 x8
PCIe 4.0 x16
Other
Launch Price
—
499 USD
Production
End-of-life
Active
Predecessor
Polaris Mobile
Navi II
Successor
—
Navi IV