GPU Comparison
RADEON
AMD Radeon RX 6600 XT
CORE STATE
Navi 23
VRAM
8 GB
CLOCK SPEED
2589 MHz
TDP
160 W
BUS WIDTH
128 bit
ARCHITECTURE
RDNA 2.0
PROCESS
7 nm
LAUNCH DATE
2021
VS
RADEON
Radeon RX 9070
CORE STATE
Navi 48
VRAM
16 GB
CLOCK SPEED
2520 MHz
TDP
220 W
BUS WIDTH
256 bit
ARCHITECTURE
RDNA 4.0
PROCESS
4 nm
LAUNCH DATE
2025
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 6600 XT
RX 9070
Core Specs
Shading Units
2,048
3,584
+75.0%
Shaders
2,048
3,584
+75.0%
TMUs
128
224
+75.0%
ROPs
64
128
+100.0%
Compute Units
32
56
+75.0%
Clocks
Base Clock
1968 MHz
1330 MHz
Boost Clock
2589 MHz
2520 MHz
Game Clock
2359 MHz
2070 MHz
Memory Clock
2000 MHz
16 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
256.0 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
165.7 GPixel/s
322.6 GPixel/s
Texture Rate
331.4 GTexel/s
564.5 GTexel/s
FP32 (TFLOPS)
10.60 TFLOPS
36.13 TFLOPS
FP64 (TFLOPS)
662.8 GFLOPS (1:16)
1,129.0 GFLOPS (1:32)
FP16 (TFLOPS)
21.21 TFLOPS (2:1)
72.25 TFLOPS (2:1)
AI/RT
RT Cores
32
56
+75.0%
Matrix Cores
—
112
Power
TDP
160 W
220 W
TDP (W)
160
220
+37.5%
Suggested PSU
450 W
550 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
379 USD
549 USD
Production
End-of-life
Active
Predecessor
Navi
Navi III
Successor
Navi III
—