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
Tesla K80
CORE STATE
GK210
VRAM
12 GB
CLOCK SPEED
824 MHz
TDP
300 W
BUS WIDTH
384 bit
ARCHITECTURE
Kepler 2.0
PROCESS
28 nm
LAUNCH DATE
2014
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
Tesla K80
Core Specs
Shading Units
2,048
2,496
+21.9%
Shaders
2,048
2,496
+21.9%
TMUs
128
208
+62.5%
ROPs
64
48
-25.0%
Compute Units
32
—
Clocks
Base Clock
1968 MHz
562 MHz
Boost Clock
2589 MHz
824 MHz
Game Clock
2359 MHz
—
Memory Clock
2000 MHz
16 Gbps effective
1253 MHz
5 Gbps effective
Memory
Memory Size
8 GB
12 GB
VRAM (MB)
8,192
12,288
+50.0%
Memory Type
GDDR6
GDDR5
Memory Bus
128 bit
384 bit
Bandwidth
256.0 GB/s
240.6 GB/s
Cache
L1 Cache
128 KB per Array
16 KB (per SMX)
L2 Cache
2 MB
1536 KB
L3 Cache
32 MB
—
L0 Cache
32 KB per WGP
—
Performance
Pixel Rate
165.7 GPixel/s
42.85 GPixel/s
Texture Rate
331.4 GTexel/s
171.4 GTexel/s
FP32 (TFLOPS)
10.60 TFLOPS
4.113 TFLOPS
FP64 (TFLOPS)
662.8 GFLOPS (1:16)
1,371.1 GFLOPS (1:3)
FP16 (TFLOPS)
21.21 TFLOPS (2:1)
—
AI/RT
RT Cores
32
—
Power
TDP
160 W
300 W
TDP (W)
160
300
+87.5%
Suggested PSU
450 W
700 W
Power Connectors
1x 8-pin
1x 8-pin
Architecture
Architecture
RDNA 2.0
Kepler 2.0
GPU Name
Navi 23
GK210
Generation
Navi II
(RX 6000)
Tesla Kepler
(Kxx)
Process Size
7 nm
28 nm
Transistors
11,060 million
7,100 million
Die Size
237 mm²
561 mm²
Foundry
TSMC
TSMC
Density
46.7M / mm²
12.7M / mm²
API Support
DirectX
12 Ultimate (12_2)
12 (11_1)
OpenGL
4.6
4.6
Vulkan
1.4
1.2.175
OpenCL
2.1
3.0
CUDA
—
3.7
Shader Model
6.8
6.5 (5.1)
Physical
Slot Width
Dual-slot
Dual-slot
Length
190 mm
7.5 inches
267 mm
10.5 inches
Height
110 mm
4.3 inches
—
Outputs
1x HDMI 2.13x DisplayPort 1.4a
No outputs
Bus Interface
PCIe 4.0 x8
PCIe 3.0 x16
Other
Launch Price
379 USD
—
Production
End-of-life
End-of-life
Predecessor
Navi
Tesla Fermi
Successor
Navi III
Tesla Maxwell