NVIDIA GeForce RTX 5080 vs XFX Radeon RX 6900 XT Speedster MERC 319

NVIDIA GeForce RTX 5080 $999
XFX Radeon RX 6900 XT Speedster MERC 319 $730
10752 Shaders
16GB GDDR7
2620MHz
5120 Shaders
16GB GDDR6
2365MHz
FP32
56.34 TFLOPS
FP32
24.22 TFLOPS
FP16
56.34 TFLOPS
FP16
48.44 TFLOPS
Form Factor
PCIe Card
2.1-Slots
Form Factor
PCIe Card
2.8-Slots
TDP
360W
TDP
350W
Power Connectors
-
-
-
1x 16-Pin 12VHPWR
Power Connectors
-
2x 8-Pin
-
-
GB5 OpenCL - N/A
0%
GB5 OpenCL 173,555
57%
GB5 CUDA - N/A
0%
GB5 CUDA - N/A
0%
GB5 Metal - N/A
0%
GB5 Metal 170,855
95%
GB5 Vulkan - N/A
0%
GB5 Vulkan 119,870
58%
OCT 2020.1 - N/A
0%
OCT 2020.1 - N/A
0%
OCT Metal - N/A
0%
OCT Metal 405
69%
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 XTX
Market Segment
Desktop
Market Segment
Desktop
Release Date
1/6/2025
Release Date
12/8/2020
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
5120 Shaders
-
Texture Mapping Units
336 TMUs
Texture Mapping Units
320 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
80 RT-Cores
Streaming Multiprocessors
84 SMs
-
-
-
-
Compute Units
80 CUs
-
-
-
-
Graphics Processing Clusters
7 GPCs
Graphics Processing Clusters
4 GPCs
-
-
2300MHz Base
2620MHz
-
-
1950MHz Base
2365MHz
FP4
901.45 TFLOPS Tensor
-
-
FP8
-
450.72 TFLOPS Tensor
-
-
-
FP16
56.34 TFLOPS
225.36 TFLOPS Tensor
FP16
48.44 TFLOPS
-
BF16
56.34 TFLOPS
225.36 TFLOPS Tensor
-
-
-
FP32
56.34 TFLOPS
FP32
24.22 TFLOPS
TF32
225.36 TFLOPS
-
-
FP64
0.88 TFLOPS
-
FP64
1.51 TFLOPS
-
INT8
450.72 TOPS
-
-
Ray Tracing
170.9 TOPS
-
-
Pixel Fillrate
335.36 GPixel/s
Pixel Fillrate
302.72 GPixel/s
-
-
-
-
Texture Fillrate
880.32 GTexel/s
Texture Fillrate
756.8 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
350W
Temp
88°C Max
Temp
110°C Max
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
3x DisplayPort 2.1
-
-
-
-
-
-
-
-
-
1x HDMI 2.1
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
2x DisplayPort 1.4
-
-
-
-
-
-
-
-
-
-
-
1x HDMI 2.1
1x USB-C + DP
-
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
2.8
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
139 mm (5.47 in)
Width
340 mm (13.39 in)
Depth
57 mm (2.24 in)
Change Comparison