AMD Radeon RX 7700 XT vs XFX Radeon RX 6900 XT Speedster MERC 319

AMD Radeon RX 7700 XT $449
XFX Radeon RX 6900 XT Speedster MERC 319 $730
3456 Shaders
12GB GDDR6
2544MHz
5120 Shaders
16GB GDDR6
2365MHz
FP32
35.17 TFLOPS
FP32
24.22 TFLOPS
FP16
70.34 TFLOPS
FP16
48.44 TFLOPS
Form Factor
PCIe Card
2.5-Slots
Form Factor
PCIe Card
2.8-Slots
TDP
245W
TDP
350W
Power Connectors
-
2x 8-Pin
-
-
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
AMD
Manufacturer
XFX
Chip Designer
AMD
Chip Designer
AMD
Architecture
RDNA 3
Architecture
RDNA 2
Family
Radeon RX 7000
Family
Radeon RX 6000
Codename
Wheat Nas
Navi 32
Variant
Navi 32
Codename
Sienna Cichlid
Navi 21
Variant
Navi 21 XTX
Market Segment
Desktop
Market Segment
Desktop
Release Date
8/25/2023
Release Date
12/8/2020
Foundry
TSMC
TSMC Memory Cache Die
Foundry
TSMC
-
Fabrication Node
N5
N6 Memory Cache Die
Fabrication Node
N7
-
Die Size
200 mm²
4x 38 mm² Memory Cache Die
Die Size
520 mm²
-
Transistor Count
28.1 Billion
4x 2.1 Billion Memory Cache Die
Transistor Count
26.8 Billion
-
Transistor Density
140.50M/mm²
54.64M/mm² Memory Cache Die
Transistor Density
51.56M/mm²
-
Form
PCIe Card
Form
PCIe Card
Shading Units
3456 Shaders
-
Shading Units
5120 Shaders
-
Texture Mapping Units
216 TMUs
Texture Mapping Units
320 TMUs
Render Output Units
96 ROPs
Render Output Units
128 ROPs
Tensor Cores
108 T-Cores
-
-
Ray-Tracing Cores
54 RT-Cores
Ray-Tracing Cores
80 RT-Cores
-
-
-
-
Compute Units
54 CUs
Compute Units
80 CUs
-
-
-
-
-
-
Graphics Processing Clusters
4 GPCs
-
-
1900MHz Base
2544MHz
-
-
1950MHz Base
2365MHz
-
-
-
-
-
-
-
-
-
-
FP16
70.34 TFLOPS
-
FP16
48.44 TFLOPS
-
-
-
-
-
-
-
FP32
35.17 TFLOPS
FP32
24.22 TFLOPS
-
-
-
-
FP64
1.1 TFLOPS
-
FP64
1.51 TFLOPS
-
-
-
-
-
-
-
-
-
Pixel Fillrate
244.224 GPixel/s
Pixel Fillrate
302.72 GPixel/s
-
-
-
-
Texture Fillrate
549.504 GTexel/s
Texture Fillrate
756.8 GTexel/s
L0
64KB/WGP
L0
32KB/WGP
L1
-
-
-
256KB/Array
L1
-
-
-
128KB/Array
L2
4MB Shared
L2
4MB Shared
L3
48MB Shared
1.69TB/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
245W
TDP
350W
-
-
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
15360x8640
Max Resolution
7680x4320
Max Resolution Refresh Rate
165Hz
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
3
Multi Monitor Support
4
Content Protection
HDCP 2.3
Content Protection
HDCP 2.3
Model
VCN 4.0
Model
VCN 3.0
Codec
-
-
-
-
-
-
VP9
-
AVC (H.264)
HEVC (H.265)
-
AV1
-
-
Codec
-
-
-
-
-
-
-
-
AVC (H.264)
HEVC (H.265)
-
-
-
-
Model
VCN 4.0
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
2.2
Vulkan
1.3
OpenGL
4.6
OpenCL
2.1
Vulkan
1.2
Shader Model
6.7
-
-
GFX
11
-
-
-
-
Shader Model
6.5
-
-
GFX
10.3
-
-
-
-
-
-
-
2x Fans
-
-
-
3x Fans
Power Connectors
-
-
-
2x 8-Pin
-
-
-
Power Connectors
-
-
-
2x 8-Pin
-
-
-
Slots Required
2.5
PCIe Version
4.0
PCIe Lanes
16
Slots Required
2.8
PCIe Version
4.0
PCIe Lanes
16
Multi GPU Support
Supported
Type
CrossFire XDMA
Multi GPU Support
Supported
Type
Bridgeless
Height
111 mm (4.37 in)
Width
267 mm (10.51 in)
Depth
50 mm (1.97 in)
Height
139 mm (5.47 in)
Width
340 mm (13.39 in)
Depth
57 mm (2.24 in)
Change Comparison