GPU Comparison
RADEON
AMD Radeon RX 6600 LE
CORE STATE
Navi 23
VRAM
8 GB
CLOCK SPEED
2495 MHz
TDP
132 W
BUS WIDTH
128 bit
ARCHITECTURE
RDNA 2.0
PROCESS
7 nm
LAUNCH DATE
2023
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
geekbench_vulkan
3dmark_3dmark_steel_nomad_dx12
passmark_directx_10
passmark_directx_11
passmark_directx_12
passmark_directx_9
passmark_g2d
passmark_g3d
passmark_gpu_compute
DETAILED SPECIFICATIONS
SPECIFICATION
RX 6600 LE
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
1626 MHz
1660 MHz
Boost Clock
2495 MHz
2970 MHz
Game Clock
2045 MHz
2400 MHz
Memory Clock
1750 MHz
14 Gbps effective
2518 MHz
20.1 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
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
159.7 GPixel/s
380.2 GPixel/s
Texture Rate
279.4 GTexel/s
760.3 GTexel/s
FP32 (TFLOPS)
8.942 TFLOPS
48.66 TFLOPS
FP64 (TFLOPS)
558.9 GFLOPS (1:16)
1.521 TFLOPS (1:32)
FP16 (TFLOPS)
17.88 TFLOPS (2:1)
97.32 TFLOPS (2:1)
AI/RT
RT Cores
28
64
+128.6%
Matrix Cores
—
128
Power
TDP
132 W
304 W
TDP (W)
132
304
+130.3%
Suggested PSU
300 W
700 W
Power Connectors
1x 8-pin
2x 8-pin
Architecture
Architecture
RDNA 2.0
RDNA 4.0
GPU Name
Navi 23
Navi 48
Generation
Navi II
(RX 6000)
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
Dual-slot
Dual-slot
Length
190 mm
7.5 inches
—
Height
110 mm
4.3 inches
—
Outputs
1x HDMI 2.13x DisplayPort 1.4a
1x HDMI 2.1b3x DisplayPort 2.1a
Bus Interface
PCIe 4.0 x8
PCIe 5.0 x16
Other
Launch Price
—
599 USD
Production
Active
Active
Predecessor
Navi
Navi III
Successor
Navi III
—