XFX Radeon RX 6900 XT Speedster MERC 319 vs AMD Radeon RX 550
XFX Radeon RX 6900 XT Speedster MERC 319
$730
AMD Radeon RX 550
$79
|
5120 Shaders
16GB GDDR6
2365MHz
|
640 Shaders
2GB GDDR5
1071MHz
|
|
FP32
24.22 TFLOPS
|
FP32
1.37 TFLOPS
|
|
FP16
48.44 TFLOPS
|
FP16
1.37 TFLOPS
|
|
Form Factor
PCIe Card
2.8-Slots
|
Form Factor
PCIe Card
2.0-Slots
|
|
TDP
350W
|
TDP
60W
|
|
Power Connectors
-
2x 8-Pin
-
-
|
-
-
-
-
-
|
|
GB5 OpenCL 173,555
57%
|
GB5 OpenCL N/A
0%
|
|
GB5 CUDA N/A
0%
|
GB5 CUDA N/A
0%
|
|
GB5 Metal 170,855
95%
|
GB5 Metal N/A
0%
|
|
GB5 Vulkan 119,870
58%
|
GB5 Vulkan N/A
0%
|
|
OCT 2020.1 N/A
0%
|
OCT 2020.1 N/A
0%
|
|
OCT Metal 405
69%
|
OCT Metal N/A
0%
|
|
Manufacturer
XFX
|
Manufacturer
AMD
|
|
Chip Designer
AMD
|
Chip Designer
AMD
|
|
Architecture
RDNA 2
|
Architecture
GCN 4
|
|
Family
Radeon RX 6000
|
Family
Radeon RX 500
|
|
Codename
Sienna Cichlid
Navi 21
Variant
Navi 21 XTX
|
Codename
Baffin
Polaris 11
Variant
Polaris 11 XL
|
|
Market Segment
Desktop
|
Market Segment
Desktop
|
|
Release Date
12/8/2020
|
Release Date
4/20/2017
|
|
Foundry
TSMC
-
|
Foundry
GlobalFoundries
-
|
|
Fabrication Node
N7
-
|
Fabrication Node
14LPP
-
|
|
Die Size
520 mm²
-
|
Die Size
123 mm²
-
|
|
Transistor Count
26.8 Billion
-
|
Transistor Count
3 Billion
-
|
|
Transistor Density
51.56M/mm²
-
|
Transistor Density
24.39M/mm²
-
|
|
Form
PCIe Card
|
Form
PCIe Card
|
|
Shading Units
5120 Shaders
-
|
Shading Units
640 Shaders
-
|
|
Texture Mapping Units
320 TMUs
|
Texture Mapping Units
40 TMUs
|
|
Render Output Units
128 ROPs
|
Render Output Units
16 ROPs
|
|
-
-
|
-
-
|
|
Ray-Tracing Cores
80 RT-Cores
|
-
-
|
|
-
-
|
-
-
|
|
Compute Units
80 CUs
|
Compute Units
10 CUs
|
|
-
-
|
-
-
|
|
Graphics Processing Clusters
4 GPCs
|
-
-
|
|
-
-
1950MHz Base
2365MHz
|
-
-
1019MHz Base
1071MHz
|
|
-
-
|
-
-
|
|
-
-
-
|
-
-
-
|
|
FP16
48.44 TFLOPS
-
|
FP16
1.37 TFLOPS
-
|
|
-
-
-
|
-
-
-
|
|
FP32
24.22 TFLOPS
|
FP32
1.37 TFLOPS
|
|
-
-
|
-
-
|
|
FP64
1.51 TFLOPS
-
|
FP64
0.09 TFLOPS
-
|
|
-
-
|
-
-
|
|
-
-
|
-
-
|
|
Pixel Fillrate
302.72 GPixel/s
|
Pixel Fillrate
17.136 GPixel/s
|
|
-
-
|
-
-
|
|
Texture Fillrate
756.8 GTexel/s
|
Texture Fillrate
42.84 GTexel/s
|
|
L0
32KB/WGP
|
-
-
|
|
L1
-
-
-
128KB/Array
|
L1
-
-
16KB/CU
-
|
|
L2
4MB Shared
|
L2
1MB Shared
|
|
L3
128MB Shared
1.66TB/s
|
-
-
-
|
|
16GB
GDDR6
-
|
2GB
GDDR5
-
|
|
Bus Width
256Bit
|
Bus Width
128Bit
|
|
Clock
2000MHz
Transfer Rate
16GT/s
Bandwidth
512GB/s
|
Clock
1500MHz
Transfer Rate
6GT/s
Bandwidth
96GB/s
|
|
-
-
-
-
-
-
-
-
-
|
-
-
-
-
-
-
-
-
-
|
|
TDP
350W
|
TDP
60W
|
|
Temp
110°C Max
|
-
-
|
|
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
2x DisplayPort 1.4
-
-
-
-
-
-
-
-
-
-
-
1x HDMI 2.1
1x USB-C + DP
-
|
-
-
-
-
-
-
-
-
-
-
1x DVI-D Dual-Link
-
-
-
-
-
-
-
-
-
-
-
-
-
1x DisplayPort 1.4
-
-
-
-
-
-
-
-
-
-
1x HDMI 2.0
-
-
-
|
|
Max Resolution
7680x4320
|
Max Resolution
5120x2880
|
|
Max Resolution Refresh Rate
120Hz
|
Max Resolution Refresh Rate
60Hz
|
|
Variable Refresh Rate
-
FreeSync
-
|
Variable Refresh Rate
-
FreeSync
-
|
|
Display Stream Compression (DSC)
Supported
|
Display Stream Compression (DSC)
Not Supported
|
|
Multi Monitor Support
4
|
Multi Monitor Support
3
|
|
Content Protection
HDCP 2.3
|
Content Protection
HDCP 2.2
|
|
Model
VCN 3.0
|
Model
VCE 3.4
|
|
Codec
-
-
-
-
-
-
-
-
AVC (H.264)
HEVC (H.265)
-
-
-
-
|
Codec
-
-
-
-
-
-
-
-
AVC (H.264)
HEVC (H.265)
-
-
-
-
|
|
Model
VCN 3.0
|
Model
UVD 6.3
|
|
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
-
-
-
AVC (H.264)
HEVC (H.265)
-
-
-
-
|
|
Direct X
12
Direct 3D
12_2
|
Direct X
12
Direct 3D
12_0
|
|
OpenGL
4.6
OpenCL
2.1
Vulkan
1.2
|
OpenGL
4.6
OpenCL
2.1
Vulkan
1.3
|
|
Shader Model
6.5
-
-
GFX
10.3
-
-
-
-
|
Shader Model
6.7
-
-
GFX
8
-
-
-
-
|
|
-
-
-
3x Fans
|
-
-
-
1x Fan
|
|
Power Connectors
-
-
-
2x 8-Pin
-
-
-
|
-
-
-
-
-
-
-
-
|
|
Slots Required
2.8
PCIe Version
4.0
PCIe Lanes
16
|
Slots Required
2.0
PCIe Version
3.0
PCIe Lanes
8
|
|
Multi GPU Support
Supported
Type
Bridgeless
|
Multi GPU Support
Supported
Type
CrossFire XDMA
|
|
Height
139 mm (5.47 in)
Width
340 mm (13.39 in)
Depth
57 mm (2.24 in)
|
Height
110 mm (4.33 in)
Width
145 mm (5.71 in)
Depth
37 mm (1.46 in)
|
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