AMD Radeon RX 6750 XT vs XFX Radeon RX 6900 XT Speedster MERC 319

AMD Radeon RX 6750 XT $549
XFX Radeon RX 6900 XT Speedster MERC 319 $730
2560 Shaders
12GB GDDR6
2600MHz
5120 Shaders
16GB GDDR6
2365MHz
FP32
13.31 TFLOPS
FP32
24.22 TFLOPS
FP16
26.62 TFLOPS
FP16
48.44 TFLOPS
Form Factor
PCIe Card
2.0-Slots
Form Factor
PCIe Card
2.8-Slots
TDP
250W
TDP
350W
Power Connectors
1x 6-Pin
1x 8-Pin
-
-
Power Connectors
-
2x 8-Pin
-
-
GB5 OpenCL 99,600
33%
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 71,075
35%
GB5 Vulkan 119,870
58%
OCT 2020.1 - N/A
0%
OCT 2020.1 - N/A
0%
OCT Metal 210
36%
OCT Metal 405
69%
Manufacturer
AMD
Manufacturer
XFX
Chip Designer
AMD
Chip Designer
AMD
Architecture
RDNA 2
Architecture
RDNA 2
Family
Radeon RX 6000
Family
Radeon RX 6000
Codename
Navy Flounder
Navi 22
Variant
Navi 22 KXT
Codename
Sienna Cichlid
Navi 21
Variant
Navi 21 XTX
Market Segment
Desktop
Market Segment
Desktop
Release Date
5/10/2022
Release Date
12/8/2020
Foundry
TSMC
-
Foundry
TSMC
-
Fabrication Node
N7
-
Fabrication Node
N7
-
Die Size
335 mm²
-
Die Size
520 mm²
-
Transistor Count
17.2 Billion
-
Transistor Count
26.8 Billion
-
Transistor Density
51.34M/mm²
-
Transistor Density
51.56M/mm²
-
Form
PCIe Card
Form
PCIe Card
Shading Units
2560 Shaders
-
Shading Units
5120 Shaders
-
Texture Mapping Units
160 TMUs
Texture Mapping Units
320 TMUs
Render Output Units
64 ROPs
Render Output Units
128 ROPs
-
-
-
-
Ray-Tracing Cores
40 RT-Cores
Ray-Tracing Cores
80 RT-Cores
-
-
-
-
Compute Units
40 CUs
Compute Units
80 CUs
-
-
-
-
Graphics Processing Clusters
2 GPCs
Graphics Processing Clusters
4 GPCs
-
-
2150MHz Base
2600MHz
-
-
1950MHz Base
2365MHz
-
-
-
-
-
-
-
-
-
-
FP16
26.62 TFLOPS
-
FP16
48.44 TFLOPS
-
-
-
-
-
-
-
FP32
13.31 TFLOPS
FP32
24.22 TFLOPS
-
-
-
-
FP64
0.83 TFLOPS
-
FP64
1.51 TFLOPS
-
-
-
-
-
-
-
-
-
Pixel Fillrate
166.4 GPixel/s
Pixel Fillrate
302.72 GPixel/s
-
-
-
-
Texture Fillrate
416 GTexel/s
Texture Fillrate
756.8 GTexel/s
L0
32KB/WGP
L0
32KB/WGP
L1
-
-
-
128KB/Array
L1
-
-
-
128KB/Array
L2
3MB Shared
L2
4MB Shared
L3
96MB Shared
1.25TB/s
L3
128MB Shared
1.66TB/s
12GB
GDDR6
-
16GB
GDDR6
-
Bus Width
192Bit
Bus Width
256Bit
Clock
2250MHz
Transfer Rate
18GT/s
Bandwidth
432GB/s
Clock
2000MHz
Transfer Rate
16GT/s
Bandwidth
512GB/s
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
TDP
250W
TDP
350W
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
-
-
1x 6-Pin
1x 8-Pin
-
-
-
Power Connectors
-
-
-
2x 8-Pin
-
-
-
Slots Required
2.0
PCIe Version
4.0
PCIe Lanes
16
Slots Required
2.8
PCIe Version
4.0
PCIe Lanes
16
Multi GPU Support
Supported
Type
Bridgeless
Multi GPU Support
Supported
Type
Bridgeless
Height
110 mm (4.33 in)
Width
267 mm (10.51 in)
Depth
40 mm (1.57 in)
Height
139 mm (5.47 in)
Width
340 mm (13.39 in)
Depth
57 mm (2.24 in)
Change Comparison