XFX Radeon RX 6900 XT Speedster MERC 319 vs NVIDIA GeForce RTX 3080 12GB

XFX Radeon RX 6900 XT Speedster MERC 319 $730
NVIDIA GeForce RTX 3080 12GB $999
5120 Shaders
16GB GDDR6
2365MHz
8960 Shaders
12GB GDDR6X
1710MHz
Peak AI Performance
48.44 TFLOPS
FP16
Peak AI Performance
980.58 TOPS
INT4 Tensor Sparse
FP32
24.22 TFLOPS
FP32
30.64 TFLOPS
FP16
48.44 TFLOPS
FP16
30.64 TFLOPS
Form Factor
PCIe Card
2.8-Slots
Form Factor
PCIe Card
2.0-Slots
TDP
350W
TDP
350W
Power Connectors
2x 8-Pin
-
Power Connectors
-
1x 12-Pin

Peak AI Performance

  • 95% slower vs GeForce RTX 3080 12GB
  • 20.24x faster vs Radeon RX 6900 XT Speedster MERC 319
Radeon RX 6900 XT Speedster MERC 319 - 48.44 TFLOPS FP16
x1
GeForce RTX 3080 12GB - 980.58 TOPS INT4 Tensor Sparse
x20.24

FP32

  • 21% slower vs GeForce RTX 3080 12GB
  • 27% faster vs Radeon RX 6900 XT Speedster MERC 319
Radeon RX 6900 XT Speedster MERC 319 - 24.22 TFLOPS FP32
x1
GeForce RTX 3080 12GB - 30.64 TFLOPS FP32
x1.27

FP16

  • 58% faster vs GeForce RTX 3080 12GB
  • 37% slower vs Radeon RX 6900 XT Speedster MERC 319
Radeon RX 6900 XT Speedster MERC 319 - 48.44 TFLOPS FP16
x1.58
GeForce RTX 3080 12GB - 30.64 TFLOPS FP16
x1
  • 44% slower vs GeForce RTX 3080 12GB
  • 78% faster vs Radeon RX 6900 XT Speedster MERC 319
Radeon RX 6900 XT Speedster MERC 319 - 512GB/s
x1
GeForce RTX 3080 12GB - 912GB/s
x1.78
  • Same TDP vs GeForce RTX 3080 12GB
  • Same TDP vs Radeon RX 6900 XT Speedster MERC 319
Radeon RX 6900 XT Speedster MERC 319 - 350W
x1
GeForce RTX 3080 12GB - 350W
x1
GB5 OpenCL 173,555
57%
GB5 OpenCL 186,590
61%
GB5 CUDA N/A
0%
GB5 CUDA 207,975
59%
GB5 Metal 170,855
95%
GB5 Metal N/A
0%
GB5 Vulkan 119,870
58%
GB5 Vulkan 125,525
61%
OCT 2020.1 N/A
0%
OCT 2020.1 595
78%
OCT Metal 405
69%
OCT Metal N/A
0%
Manufacturer
XFX
Manufacturer
NVIDIA
Chip Designer
AMD
Chip Designer
NVIDIA
Architecture
RDNA 2
Architecture
Ampere
Family
Radeon RX 6000
Family
GeForce 30
Codename
Sienna Cichlid
Navi 21
Variant
Navi 21 XTX
Codename
NV172
GA102
Variant
GA102-220-A1
Market Segment
Desktop
Market Segment
Desktop
Release Date
12/8/2020
Release Date
1/27/2022
Foundry
TSMC
Foundry
Samsung
Fabrication Node
N7
Fabrication Node
8N
Die Size
520 mm²
Die Size
628 mm²
Transistor Count
26.8 Billion
Transistor Count
28.3 Billion
Transistor Density
51.56M/mm²
Transistor Density
45.04M/mm²
Form
PCIe Card
Form
PCIe Card
Shading Units
5120 Shaders
Shading Units
8960 Shaders
Texture Mapping Units
320 TMUs
Texture Mapping Units
280 TMUs
Render Output Units
128 ROPs
Render Output Units
112 ROPs
-
-
Tensor Cores
280 T-Cores
Ray-Tracing Cores
80 RT-Cores
Ray-Tracing Cores
70 RT-Cores
-
-
Streaming Multiprocessors
70 SMs
Compute Units
80 CUs
-
-
Graphics Processing Clusters
4 GPCs
Graphics Processing Clusters
7 GPCs
1950MHz Base
2365MHz
1260MHz Base
1710MHz
Peak AI Performance
48.44 TFLOPS
FP16
Peak AI Performance
980.58 TOPS
INT4 Tensor Sparse
FP16
48.44 TFLOPS
-
-
-
-
FP16
30.64 TFLOPS
122.57 TFLOPS Tensor (FP16 Accumulate)
245.15 TFLOPS Tensor (FP16 Accumulate) Sparse
61.29 TFLOPS Tensor (FP32 Accumulate)
122.57 TFLOPS Tensor (FP32 Accumulate) Sparse
FP32
24.22 TFLOPS
FP32
30.64 TFLOPS
FP64
1.51 TFLOPS
FP64
480 GFLOPS
-
-
-
-
BF16
30.64 TFLOPS
61.29 TFLOPS Tensor
122.57 TFLOPS Tensor Sparse
-
-
-
TF32
30.64 TFLOPS Tensor
61.29 TFLOPS Tensor Sparse
-
-
-
INT4
490.29 TOPS Tensor
980.58 TOPS Tensor Sparse
-
-
-
INT8
245.15 TOPS Tensor
490.29 TOPS Tensor Sparse
-
-
INT32
15.32 TOPS
-
-
Ray Tracing
59.9 TOPS
Pixel Fillrate
302.72 GPixel/s
Pixel Fillrate
191.52 GPixel/s
Texture Fillrate
756.8 GTexel/s
Texture Fillrate
478.8 GTexel/s
L0
32KB/WGP
-
-
L1
-
-
128KB/Array
L1
64KB/SM Tex
128KB/SM
-
L2
4MB Shared
L2
5MB Shared
L3
128MB Shared
1.66TB/s
-
-
-
16GB
GDDR6
12GB
GDDR6X
Bus Width
256Bit
Bus Width
384Bit
Clock
2000MHz
Transfer Rate
16GT/s
Bandwidth
512GB/s
Clock
1188MHz
Transfer Rate
19GT/s
Bandwidth
912GB/s
TDP
350W
TDP
350W
Temp
110°C Max
Temp
93°C Max
2x DisplayPort 1.4
1x HDMI 2.1
1x USB-C + DP
3x DisplayPort 1.4
1x HDMI 2.1
-
Max Resolution
7680x4320
Max Resolution
7680x4320
Max Resolution Refresh Rate
120Hz
Max Resolution Refresh Rate
60Hz
Variable Refresh Rate
-
FreeSync
Variable Refresh Rate
G-Sync
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
VCN 3.0
Model
NVENC 7
Codec
AVC (H.264)
HEVC (H.265)
Codec
AVC (H.264)
HEVC (H.265)
Model
VCN 3.0
Model
NVDEC 5
Codec
MPEG-1
MPEG-2
MPEG-4
JPEG
VC-1
-
VP9
AVC (H.264)
HEVC (H.265)
AV1
Codec
MPEG-1
MPEG-2
MPEG-4
-
VC-1
VP8
VP9
AVC (H.264)
HEVC (H.265)
AV1
Direct X
12
Direct 3D
12_2
Direct X
12
Direct 3D
12_2
OpenGL
4.6
OpenCL
2.1
Vulkan
1.2
OpenGL
4.6
OpenCL
3.0
Vulkan
1.2
Shader Model
6.5
-
-
GFX
10.3
-
-
-
-
Shader Model
6.6
CUDA
8.6
-
-
PureVideo HD
VP11
VDPAU
Feature Set K
3x Fans
2x Fans
Power Connectors
2x 8-Pin
-
Power Connectors
-
1x 12-Pin
Slots Required
2.8
PCIe Version
4.0
PCIe Lanes
16
Slots Required
2.0
PCIe Version
4.0
PCIe Lanes
16
Multi GPU Support
Supported
Type
Bridgeless
-
-
-
-
Height
139 mm (5.47 in)
Width
340 mm (13.39 in)
Depth
57 mm (2.24 in)
Height
112 mm (4.41 in)
Width
285 mm (11.22 in)
Depth
40 mm (1.57 in)
Change Comparison