XFX Radeon RX 6900 XT Speedster MERC 319 vs AMD Radeon RX 6900 XT
XFX Radeon RX 6900 XT Speedster MERC 319
$730
AMD Radeon RX 6900 XT
$999
|
5120 Shaders
16GB GDDR6
2365MHz
|
5120 Shaders
16GB GDDR6
2250MHz
|
|
Peak AI Performance
48.44 TFLOPS
FP16
|
Peak AI Performance
46.08 TFLOPS
FP16
|
|
FP32
24.22 TFLOPS
|
FP32
23.04 TFLOPS
|
|
FP16
48.44 TFLOPS
|
FP16
46.08 TFLOPS
|
|
Form Factor
PCIe Card
2.8-Slots
|
Form Factor
PCIe Card
2.5-Slots
|
|
TDP
350W
|
TDP
300W
|
|
Power Connectors
2x 8-Pin
|
Power Connectors
2x 8-Pin
|
Peak AI Performance
|
|
Radeon RX 6900 XT Speedster MERC 319 - 48.44 TFLOPS FP16
x1.05
Radeon RX 6900 XT - 46.08 TFLOPS FP16
x1
FP32
|
|
Radeon RX 6900 XT Speedster MERC 319 - 24.22 TFLOPS FP32
x1.05
Radeon RX 6900 XT - 23.04 TFLOPS FP32
x1
FP16
|
|
Radeon RX 6900 XT Speedster MERC 319 - 48.44 TFLOPS FP16
x1.05
Radeon RX 6900 XT - 46.08 TFLOPS FP16
x1
|
|
Radeon RX 6900 XT Speedster MERC 319 - 512GB/s
x1
Radeon RX 6900 XT - 512GB/s
x1
|
|
Radeon RX 6900 XT Speedster MERC 319 - 350W
x1.17
Radeon RX 6900 XT - 300W
x1
|
GB6 OpenCL N/A
0%
|
|
|
GB6 Metal N/A
0%
|
|
|
GB6 Vulkan N/A
0%
|
|
GB5 OpenCL 173,555
57%
|
GB5 OpenCL 165,115
54%
|
|
0%
|
0%
|
|
GB5 Metal 170,855
95%
|
GB5 Metal 162,550
90%
|
|
GB5 Vulkan 119,870
58%
|
GB5 Vulkan 114,040
56%
|
|
0%
|
0%
|
|
OCT Metal 405
69%
|
OCT Metal 390
66%
|
|
Manufacturer
XFX
|
Manufacturer
AMD
|
|
Chip Designer
AMD
|
Chip Designer
AMD
|
|
Architecture
RDNA 2
|
Architecture
RDNA 2
|
|
Family
Radeon RX 6000
|
Family
Radeon RX 6000
|
|
Codename
Sienna Cichlid
Navi 21
Variant
Navi 21 XTX
|
Codename
Sienna Cichlid
Navi 21
Variant
Navi 21 XTX
|
|
Market Segment
Desktop
|
Market Segment
Desktop
|
|
Release Date
12/8/2020
|
Release Date
12/8/2020
|
|
Foundry
TSMC
|
Foundry
TSMC
|
|
Fabrication Node
N7
|
Fabrication Node
N7
|
|
Die Size
520 mm²
|
Die Size
520 mm²
|
|
Transistor Count
26.8 Billion
|
Transistor Count
26.8 Billion
|
|
Transistor Density
51.56M/mm²
|
Transistor Density
51.56M/mm²
|
|
Form
PCIe Card
|
Form
PCIe Card
|
|
Shading Units
5120 Shaders
|
Shading Units
5120 Shaders
|
|
Texture Mapping Units
320 TMUs
|
Texture Mapping Units
320 TMUs
|
|
Render Output Units
128 ROPs
|
Render Output Units
128 ROPs
|
|
Ray-Tracing Cores
80 RT-Cores
|
Ray-Tracing Cores
80 RT-Cores
|
|
Compute Units
80 CUs
|
Compute Units
80 CUs
|
|
Graphics Processing Clusters
4 GPCs
|
Graphics Processing Clusters
4 GPCs
|
|
1950MHz Base
2365MHz
|
1825MHz Base
2250MHz
|
|
Peak AI Performance
48.44 TFLOPS
FP16
|
Peak AI Performance
46.08 TFLOPS
FP16
|
|
FP16
48.44 TFLOPS
|
FP16
46.08 TFLOPS
|
|
FP32
24.22 TFLOPS
|
FP32
23.04 TFLOPS
|
|
FP64
1.51 TFLOPS
|
FP64
1.44 TFLOPS
|
|
Pixel Fillrate
302.72 GPixel/s
|
Pixel Fillrate
288 GPixel/s
|
|
Texture Fillrate
756.8 GTexel/s
|
Texture Fillrate
720 GTexel/s
|
|
L0
32KB/WGP
|
L0
32KB/WGP
|
|
L1
128KB/Array
|
L1
128KB/Array
|
|
L2
4MB Shared
|
L2
4MB Shared
|
|
L3
128MB Shared
1.66TB/s
|
L3
128MB Shared
1.66TB/s
|
|
16GB
GDDR6
|
16GB
GDDR6
|
|
Bus Width
256Bit
|
Bus Width
256Bit
|
|
Clock
2000MHz
Transfer Rate
16GT/s
Bandwidth
512GB/s
|
Clock
2000MHz
Transfer Rate
16GT/s
Bandwidth
512GB/s
|
|
TDP
350W
|
TDP
300W
|
|
Temp
110°C Max
|
Temp
110°C Max
|
|
2x DisplayPort 1.4
1x HDMI 2.1
1x USB-C + DP
|
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
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
VCN 3.0
|
Model
VCN 3.0
|
|
Codec
AVC (H.264)
HEVC (H.265)
|
Codec
AVC (H.264)
HEVC (H.265)
|
|
Model
VCN 3.0
|
Model
VCN 3.0
|
|
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
JPEG
VC-1
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
2.1
Vulkan
1.2
|
|
Shader Model
6.5
GFX
10.3
|
Shader Model
6.5
GFX
10.3
|
|
3x Fans
|
3x Fans
|
|
Power Connectors
2x 8-Pin
|
Power Connectors
2x 8-Pin
|
|
Slots Required
2.8
PCIe Version
4.0
PCIe Lanes
16
|
Slots Required
2.5
PCIe Version
4.0
PCIe Lanes
16
|
|
Multi GPU Support
Supported
Type
Bridgeless
|
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
120 mm (4.72 in)
Width
267 mm (10.51 in)
Depth
50 mm (1.97 in)
|
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