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
A100X
CORE STATE
GA100
VRAM
80 GB
CLOCK SPEED
1440 MHz
TDP
300 W
BUS WIDTH
5120 bit
ARCHITECTURE
Ampere
PROCESS
7 nm
LAUNCH DATE
2021
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
A100X
Core Specs
Shading Units
2,048
6,912
+237.5%
Shaders
2,048
6,912
+237.5%
TMUs
128
432
+237.5%
ROPs
64
160
+150.0%
Compute Units
32
—
SM Count
—
108
Clocks
Base Clock
1968 MHz
795 MHz
Boost Clock
2589 MHz
1440 MHz
Game Clock
2359 MHz
—
Memory Clock
2000 MHz
16 Gbps effective
1593 MHz
3.2 Gbps effective
Memory
Memory Size
8 GB
80 GB
VRAM (MB)
8,192
81,920
+900.0%
Memory Type
GDDR6
HBM2e
Memory Bus
128 bit
5120 bit
Bandwidth
256.0 GB/s
2.04 TB/s
Cache
L1 Cache
128 KB per Array
192 KB (per SM)
L2 Cache
2 MB
80 MB
L3 Cache
32 MB
—
L0 Cache
32 KB per WGP
—
Performance
Pixel Rate
165.7 GPixel/s
230.4 GPixel/s
Texture Rate
331.4 GTexel/s
622.1 GTexel/s
FP32 (TFLOPS)
10.60 TFLOPS
19.91 TFLOPS
FP64 (TFLOPS)
662.8 GFLOPS (1:16)
9.953 TFLOPS (1:2)
FP16 (TFLOPS)
21.21 TFLOPS (2:1)
79.63 TFLOPS (4:1)
AI/RT
RT Cores
32
—
Tensor Cores
—
432
Power
TDP
160 W
300 W
TDP (W)
160
300
+87.5%
Suggested PSU
450 W
700 W
Power Connectors
1x 8-pin
1x 16-pin
Architecture
Architecture
RDNA 2.0
Ampere
GPU Name
Navi 23
GA100
Generation
Navi II
(RX 6000)
Server Ampere
(Axx)
Process Size
7 nm
7 nm
Transistors
11,060 million
54,200 million
Die Size
237 mm²
826 mm²
Foundry
TSMC
TSMC
Density
46.7M / mm²
65.6M / mm²
API Support
DirectX
12 Ultimate (12_2)
—
OpenGL
4.6
—
Vulkan
1.4
—
OpenCL
2.1
3.0
CUDA
—
8.0
Shader Model
6.8
—
Physical
Slot Width
Dual-slot
Dual-slot
Length
190 mm
7.5 inches
267 mm
10.5 inches
Height
110 mm
4.3 inches
112 mm
4.4 inches
Outputs
1x HDMI 2.13x DisplayPort 1.4a
No outputs
Bus Interface
PCIe 4.0 x8
PCIe 4.0 x8
Other
Launch Price
379 USD
—
Production
End-of-life
End-of-life
Predecessor
Navi
Tesla Turing
Successor
Navi III
Server Ada