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 RTX 4080 SUPER
CORE STATE
AD103
VRAM
16 GB
CLOCK SPEED
2550 MHz
TDP
320 W
BUS WIDTH
256 bit
ARCHITECTURE
Ada Lovelace
PROCESS
5 nm
LAUNCH DATE
2024
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
RTX 4080 SUPER
Core Specs
Shading Units
4,608
10,240
+122.2%
Shaders
4,608
10,240
+122.2%
TMUs
288
320
+11.1%
ROPs
128
112
-12.5%
Compute Units
72
—
SM Count
—
80
Clocks
Base Clock
1825 MHz
2295 MHz
Boost Clock
2250 MHz
2550 MHz
Game Clock
2015 MHz
—
Memory Clock
2000 MHz
16 Gbps effective
1438 MHz
23 Gbps effective
Memory
Memory Size
16 GB
16 GB
VRAM (MB)
16,384
16,384
0.0%
Memory Type
GDDR6
GDDR6X
Memory Bus
256 bit
256 bit
Bandwidth
512.0 GB/s
736.3 GB/s
Cache
L1 Cache
128 KB per Array
128 KB (per SM)
L2 Cache
4 MB
64 MB
L3 Cache
128 MB
—
L0 Cache
32 KB per WGP
—
Performance
Pixel Rate
288.0 GPixel/s
285.6 GPixel/s
Texture Rate
648.0 GTexel/s
816.0 GTexel/s
FP32 (TFLOPS)
20.74 TFLOPS
52.22 TFLOPS
FP64 (TFLOPS)
1,296.0 GFLOPS (1:16)
816.0 GFLOPS (1:64)
FP16 (TFLOPS)
41.47 TFLOPS (2:1)
52.22 TFLOPS (1:1)
AI/RT
RT Cores
72
80
+11.1%
Tensor Cores
—
320
Power
TDP
300 W
320 W
TDP (W)
300
320
+6.7%
Suggested PSU
700 W
700 W
Power Connectors
2x 8-pin
1x 16-pin
Architecture
Architecture
RDNA 2.0
Ada Lovelace
GPU Name
Navi 21
AD103
Generation
Navi II
(RX 6000)
GeForce 40
Process Size
7 nm
5 nm
Transistors
26,800 million
45,900 million
Die Size
520 mm²
379 mm²
Foundry
TSMC
TSMC
Density
51.5M / mm²
121.1M / 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
—
8.9
Shader Model
6.8
6.8
Physical
Slot Width
Dual-slot
Triple-slot
Length
267 mm
10.5 inches
310 mm
12.2 inches
Height
120 mm
4.7 inches
140 mm
5.5 inches
Outputs
1x HDMI 2.12x DisplayPort 1.4a1x USB Type-C
1x HDMI 2.13x DisplayPort 1.4a
Bus Interface
PCIe 4.0 x16
PCIe 4.0 x16
Other
Launch Price
649 USD
999 USD
Production
End-of-life
End-of-life
Predecessor
Navi
GeForce 30
Successor
Navi III
GeForce 50