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
GEFORCE
GeForce RTX 5080
CORE STATE
GB203
VRAM
16 GB
CLOCK SPEED
2617 MHz
TDP
360 W
BUS WIDTH
256 bit
ARCHITECTURE
Blackwell 2.0
PROCESS
5 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
RTX 5080
Core Specs
Shading Units
2,048
10,752
+425.0%
Shaders
2,048
10,752
+425.0%
TMUs
128
336
+162.5%
ROPs
64
112
+75.0%
Compute Units
32
—
SM Count
—
84
Clocks
Base Clock
1968 MHz
2295 MHz
Boost Clock
2589 MHz
2617 MHz
Game Clock
2359 MHz
—
Memory Clock
2000 MHz
16 Gbps effective
1875 MHz
30 Gbps effective
Memory
Memory Size
8 GB
16 GB
VRAM (MB)
8,192
16,384
+100.0%
Memory Type
GDDR6
GDDR7
Memory Bus
128 bit
256 bit
Bandwidth
256.0 GB/s
960.0 GB/s
Cache
L1 Cache
128 KB per Array
128 KB (per SM)
L2 Cache
2 MB
64 MB
L3 Cache
32 MB
—
L0 Cache
32 KB per WGP
—
Performance
Pixel Rate
165.7 GPixel/s
293.1 GPixel/s
Texture Rate
331.4 GTexel/s
879.3 GTexel/s
FP32 (TFLOPS)
10.60 TFLOPS
56.28 TFLOPS
FP64 (TFLOPS)
662.8 GFLOPS (1:16)
879.3 GFLOPS (1:64)
FP16 (TFLOPS)
21.21 TFLOPS (2:1)
56.28 TFLOPS (1:1)
AI/RT
RT Cores
32
84
+162.5%
Tensor Cores
—
336
Power
TDP
160 W
360 W
TDP (W)
160
360
+125.0%
Suggested PSU
450 W
750 W
Power Connectors
1x 8-pin
1x 16-pin
Architecture
Architecture
RDNA 2.0
Blackwell 2.0
GPU Name
Navi 23
GB203
Generation
Navi II
(RX 6000)
GeForce 50
Process Size
7 nm
5 nm
Transistors
11,060 million
45,600 million
Die Size
237 mm²
378 mm²
Foundry
TSMC
TSMC
Density
46.7M / mm²
120.6M / 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
3.0
CUDA
—
12.0
Shader Model
6.8
6.8
Physical
Slot Width
Dual-slot
Dual-slot
Length
190 mm
7.5 inches
304 mm
12 inches
Height
110 mm
4.3 inches
137 mm
5.4 inches
Outputs
1x HDMI 2.13x DisplayPort 1.4a
1x HDMI 2.1b3x DisplayPort 2.1b
Bus Interface
PCIe 4.0 x8
PCIe 5.0 x16
Other
Launch Price
379 USD
999 USD
Production
End-of-life
Active
Predecessor
Navi
GeForce 40
Successor
Navi III
—