GPU Comparison
RADEON
AMD Radeon RX 6800 XT
CORE STATE
Navi 21
VRAM
16 GB
CLOCK SPEED
2250 MHz
TDP
300 W
BUS WIDTH
256 bit
ARCHITECTURE
RDNA 2.0
PROCESS
7 nm
LAUNCH DATE
2020
VS
GEFORCE
GeForce GTX 1660
CORE STATE
TU116
VRAM
6 GB
CLOCK SPEED
1785 MHz
TDP
120 W
BUS WIDTH
192 bit
ARCHITECTURE
Turing
PROCESS
12 nm
LAUNCH DATE
2019
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 6800 XT
GTX 1660
Core Specs
Shading Units
4,608
1,408
-69.4%
Shaders
4,608
1,408
-69.4%
TMUs
288
88
-69.4%
ROPs
128
48
-62.5%
Compute Units
72
—
SM Count
—
22
Clocks
Base Clock
1825 MHz
1530 MHz
Boost Clock
2250 MHz
1785 MHz
Game Clock
2015 MHz
—
Memory Clock
2000 MHz
16 Gbps effective
2001 MHz
8 Gbps effective
Memory
Memory Size
16 GB
6 GB
VRAM (MB)
16,384
6,144
-62.5%
Memory Type
GDDR6
GDDR5
Memory Bus
256 bit
192 bit
Bandwidth
512.0 GB/s
192.1 GB/s
Cache
L1 Cache
128 KB per Array
64 KB (per SM)
L2 Cache
4 MB
1536 KB
L3 Cache
128 MB
—
L0 Cache
32 KB per WGP
—
Performance
Pixel Rate
288.0 GPixel/s
85.68 GPixel/s
Texture Rate
648.0 GTexel/s
157.1 GTexel/s
FP32 (TFLOPS)
20.74 TFLOPS
5.027 TFLOPS
FP64 (TFLOPS)
1,296.0 GFLOPS (1:16)
157.1 GFLOPS (1:32)
FP16 (TFLOPS)
41.47 TFLOPS (2:1)
10.05 TFLOPS (2:1)
AI/RT
RT Cores
72
—
Power
TDP
300 W
120 W
TDP (W)
300
120
-60.0%
Suggested PSU
700 W
300 W
Power Connectors
2x 8-pin
1x 8-pin
Architecture
Architecture
RDNA 2.0
Turing
GPU Name
Navi 21
TU116
Generation
Navi II
(RX 6000)
GeForce 16
Process Size
7 nm
12 nm
Transistors
26,800 million
6,600 million
Die Size
520 mm²
284 mm²
Foundry
TSMC
TSMC
Density
51.5M / mm²
23.2M / mm²
API Support
DirectX
12 Ultimate (12_2)
12 (12_1)
OpenGL
4.6
4.6
Vulkan
1.4
1.4
OpenCL
2.1
3.0
CUDA
—
7.5
Shader Model
6.8
6.8
Physical
Slot Width
Dual-slot
Dual-slot
Length
267 mm
10.5 inches
229 mm
9 inches
Height
120 mm
4.7 inches
111 mm
4.4 inches
Outputs
1x HDMI 2.12x DisplayPort 1.4a1x USB Type-C
1x DVI1x HDMI 2.01x DisplayPort 1.4a
Bus Interface
PCIe 4.0 x16
PCIe 3.0 x16
Other
Launch Price
649 USD
219 USD
Production
End-of-life
End-of-life
Predecessor
Navi
GeForce 10
Successor
Navi III
GeForce 20