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 1080 Ti
CORE STATE
GP102
VRAM
11 GB
CLOCK SPEED
1582 MHz
TDP
250 W
BUS WIDTH
352 bit
ARCHITECTURE
Pascal
PROCESS
16 nm
LAUNCH DATE
2017
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 1080 Ti
Core Specs
Shading Units
4,608
3,584
-22.2%
Shaders
4,608
3,584
-22.2%
TMUs
288
224
-22.2%
ROPs
128
88
-31.3%
Compute Units
72
—
SM Count
—
28
Clocks
Base Clock
1825 MHz
1481 MHz
Boost Clock
2250 MHz
1582 MHz
Game Clock
2015 MHz
—
Memory Clock
2000 MHz
16 Gbps effective
1376 MHz
11 Gbps effective
Memory
Memory Size
16 GB
11 GB
VRAM (MB)
16,384
11,264
-31.3%
Memory Type
GDDR6
GDDR5X
Memory Bus
256 bit
352 bit
Bandwidth
512.0 GB/s
484.4 GB/s
Cache
L1 Cache
128 KB per Array
48 KB (per SM)
L2 Cache
4 MB
2.75 MB
L3 Cache
128 MB
—
L0 Cache
32 KB per WGP
—
Performance
Pixel Rate
288.0 GPixel/s
139.2 GPixel/s
Texture Rate
648.0 GTexel/s
354.4 GTexel/s
FP32 (TFLOPS)
20.74 TFLOPS
11.34 TFLOPS
FP64 (TFLOPS)
1,296.0 GFLOPS (1:16)
354.4 GFLOPS (1:32)
FP16 (TFLOPS)
41.47 TFLOPS (2:1)
177.2 GFLOPS (1:64)
AI/RT
RT Cores
72
—
Power
TDP
300 W
250 W
TDP (W)
300
250
-16.7%
Suggested PSU
700 W
600 W
Power Connectors
2x 8-pin
1x 6-pin + 1x 8-pin
Architecture
Architecture
RDNA 2.0
Pascal
GPU Name
Navi 21
GP102
Generation
Navi II
(RX 6000)
GeForce 10
Process Size
7 nm
16 nm
Transistors
26,800 million
11,800 million
Die Size
520 mm²
471 mm²
Foundry
TSMC
TSMC
Density
51.5M / mm²
25.1M / 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
—
6.1
Shader Model
6.8
6.8
Physical
Slot Width
Dual-slot
Dual-slot
Length
267 mm
10.5 inches
267 mm
10.5 inches
Height
120 mm
4.7 inches
112 mm
4.4 inches
Outputs
1x HDMI 2.12x DisplayPort 1.4a1x USB Type-C
1x HDMI 2.03x DisplayPort 1.4a
Bus Interface
PCIe 4.0 x16
PCIe 3.0 x16
Other
Launch Price
649 USD
699 USD
Production
End-of-life
End-of-life
Predecessor
Navi
GeForce 900
Successor
Navi III
GeForce 20