NVIDIA GeForce RTX 5080 vs XFX Radeon RX 6800 XT Speedster MERC 319

NVIDIA GeForce RTX 5080 $999
XFX Radeon RX 6800 XT Speedster MERC 319 $620
10752 Shaders
16GB GDDR7
2620MHz
4608 Shaders
16GB GDDR6
2250MHz
FP32
56.34 TFLOPS
FP32
20.74 TFLOPS
FP16
56.34 TFLOPS
FP16
41.47 TFLOPS
Form Factor
PCIe Card
2.1-Slots
Form Factor
PCIe Card
2.7-Slots
TDP
360W
TDP
300W
Power Connectors
-
-
-
1x 16-Pin 12VHPWR
Power Connectors
-
2x 8-Pin
-
-
GB5 OpenCL - N/A
0%
GB5 OpenCL 156,955
51%
GB5 CUDA - N/A
0%
GB5 CUDA - N/A
0%
GB5 Metal - N/A
0%
GB5 Metal 149,520
83%
GB5 Vulkan - N/A
0%
GB5 Vulkan 100,755
49%
OCT 2020.1 - N/A
0%
OCT 2020.1 - N/A
0%
OCT Metal - N/A
0%
OCT Metal 355
60%
Manufacturer
NVIDIA
Manufacturer
XFX
Chip Designer
NVIDIA
Chip Designer
AMD
Architecture
Blackwell
Architecture
RDNA 2
Family
GeForce 50
Family
Radeon RX 6000
Codename
NV193
GB203
Variant
GB203-400-A1
Codename
Sienna Cichlid
Navi 21
Variant
Navi 21 XT
Market Segment
Desktop
Market Segment
Desktop
Release Date
1/6/2025
Release Date
11/18/2020
Foundry
TSMC
-
Foundry
TSMC
-
Fabrication Node
4NP
-
Fabrication Node
N7
-
Die Size
377 mm²
-
Die Size
520 mm²
-
Transistor Count
46 Billion
-
Transistor Count
26.8 Billion
-
Transistor Density
122.02M/mm²
-
Transistor Density
51.56M/mm²
-
Form
PCIe Card
Form
PCIe Card
Shading Units
10752 Shaders
-
Shading Units
4608 Shaders
-
Texture Mapping Units
336 TMUs
Texture Mapping Units
288 TMUs
Render Output Units
128 ROPs
Render Output Units
128 ROPs
Tensor Cores
336 T-Cores
-
-
Ray-Tracing Cores
84 RT-Cores
Ray-Tracing Cores
72 RT-Cores
Streaming Multiprocessors
84 SMs
-
-
-
-
Compute Units
72 CUs
-
-
-
-
Graphics Processing Clusters
7 GPCs
Graphics Processing Clusters
4 GPCs
-
-
2300MHz Base
2620MHz
-
-
1825MHz Base
2250MHz
FP4
901.45 TFLOPS Tensor
-
-
FP8
-
450.72 TFLOPS Tensor
-
-
-
FP16
56.34 TFLOPS
225.36 TFLOPS Tensor
FP16
41.47 TFLOPS
-
BF16
56.34 TFLOPS
225.36 TFLOPS Tensor
-
-
-
FP32
56.34 TFLOPS
FP32
20.74 TFLOPS
TF32
225.36 TFLOPS
-
-
FP64
0.88 TFLOPS
-
FP64
1.3 TFLOPS
-
INT8
450.72 TOPS
-
-
Ray Tracing
170.9 TOPS
-
-
Pixel Fillrate
335.36 GPixel/s
Pixel Fillrate
288 GPixel/s
-
-
-
-
Texture Fillrate
880.32 GTexel/s
Texture Fillrate
648 GTexel/s
-
-
L0
32KB/WGP
L1
64KB/SM Tex
128KB/SM
-
-
L1
-
-
-
128KB/Array
L2
64MB Shared
L2
4MB Shared
-
-
-
L3
128MB Shared
1.66TB/s
16GB
GDDR7
-
16GB
GDDR6
-
Bus Width
256Bit
Bus Width
256Bit
Clock
2368MHz
Transfer Rate
30GT/s
Bandwidth
960GB/s
Clock
2000MHz
Transfer Rate
16GT/s
Bandwidth
512GB/s
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
TDP
360W
TDP
300W
Temp
88°C Max
Temp
110°C Max
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
3x DisplayPort 2.1
-
-
-
-
-
-
-
-
-
1x HDMI 2.1
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
3x DisplayPort 1.4
-
-
-
-
-
-
-
-
-
-
-
1x HDMI 2.1
-
-
Max Resolution
7680x4320
Max Resolution
7680x4320
Max Resolution Refresh Rate
120Hz
Max Resolution Refresh Rate
120Hz
Variable Refresh Rate
G-Sync
FreeSync
-
Variable Refresh Rate
-
FreeSync
-
Display Stream Compression (DSC)
Supported
Display Stream Compression (DSC)
Supported
Multi Monitor Support
4
Multi Monitor Support
4
Content Protection
HDCP 2.3
Content Protection
HDCP 2.3
Model
2x NVENC 9
Model
VCN 3.0
Codec
-
-
-
-
-
-
-
-
AVC (H.264)
HEVC (H.265)
-
AV1
-
-
Codec
-
-
-
-
-
-
-
-
AVC (H.264)
HEVC (H.265)
-
-
-
-
Model
2x NVDEC 6
Model
VCN 3.0
Codec
MPEG-1
MPEG-2
MPEG-4
-
VC-1
VP8
VP9
-
AVC (H.264)
HEVC (H.265)
-
AV1
-
-
Codec
MPEG-1
MPEG-2
MPEG-4
JPEG
VC-1
-
VP9
-
AVC (H.264)
HEVC (H.265)
-
AV1
-
-
Direct X
12
Direct 3D
12_3
Direct X
12
Direct 3D
12_2
OpenGL
4.6
OpenCL
3.0
Vulkan
1.3
OpenGL
4.6
OpenCL
2.1
Vulkan
1.2
Shader Model
6.8
CUDA
12.8
-
-
PureVideo HD
VP13
VDPAU
Feature Set M
Shader Model
6.5
-
-
GFX
10.3
-
-
-
-
-
-
-
2x Fans
-
-
-
3x Fans
Power Connectors
-
-
-
-
-
-
1x 16-Pin 12VHPWR
Power Connectors
-
-
-
2x 8-Pin
-
-
-
Slots Required
2.1
PCIe Version
5.0
PCIe Lanes
16
Slots Required
2.7
PCIe Version
4.0
PCIe Lanes
16
-
-
-
-
Multi GPU Support
Supported
Type
Bridgeless
Height
137 mm (5.39 in)
Width
304 mm (11.97 in)
Depth
42 mm (1.65 in)
Height
138 mm (5.43 in)
Width
340 mm (13.39 in)
Depth
54 mm (2.13 in)
Change Comparison