Radeon Sky 700 vs Radeon RX 7900 XT
We compared two Desktop platform GPUs: 6GB VRAM Radeon Sky 700 and 20GB VRAM Radeon RX 7900 XT to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
Radeon Sky 700 's Advantages
Lower TDP (225W vs 300W)
Radeon RX 7900 XT 's Advantages
Released 9 years and 8 months late
Boost Clock2394MHz
More VRAM (20GB vs 6GB)
Larger VRAM bandwidth (800.0GB/s vs 264.0GB/s)
3584 additional rendering cores
Score
Benchmark
FP32 (float)
Radeon Sky 700
3226
Radeon RX 7900 XT
+1495%
51480
Graphics Card
Mar 2013
Release Date
Nov 2022
Radeon Sky
Generation
Navi III
Desktop
Type
Desktop
PCIe 3.0 x16
Bus Interface
PCIe 4.0 x16
Clock Speeds
-
Base Clock
1387 MHz
-
Boost Clock
2394 MHz
1375 MHz
Memory Clock
2500 MHz
Memory
6GB
Memory Size
20GB
GDDR5
Memory Type
GDDR6
384bit
Memory Bus
320bit
264.0GB/s
Bandwidth
800.0GB/s
Render Config
28
Compute Units
84
1792
Shading Units
5376
112
TMUs
336
32
ROPs
192
-
RT Cores
84
16 KB (per CU)
L1 Cache
256 KB per Array
768 KB
L2 Cache
6 MB
-
L3 Cache
80 MB
Theoretical Performance
28.80 GPixel/s
Pixel Rate
459.6 GPixel/s
100.8 GTexel/s
Texture Rate
804.4 GTexel/s
-
FP16 (half)
103.0 TFLOPS
3.226 TFLOPS
FP32 (float)
51.48 TFLOPS
806.4 GFLOPS
FP64 (double)
1.609 TFLOPS
Board Design
225W
TDP
300W
550 W
Suggested PSU
700 W
1x DisplayPort 1.2
Outputs
1x HDMI 2.1a
2x DisplayPort 2.1
1x USB Type-C
1x 8-pin
Power Connectors
2x 8-pin
Graphics Processor
Tahiti
GPU Name
Navi 31
Tahiti PRO GL
GPU Variant
Navi 31 XT
(215-145000156)
GCN 1.0
Architecture
RDNA 3.0
TSMC
Foundry
TSMC
28 nm
Process Size
5 nm
4.313 billion
Transistors
57.7 billion
352 mm²
Die Size
529 mm²
Graphics Features
12 (11_1)
DirectX
12 Ultimate (12_2)
4.6
OpenGL
4.6
1.2
OpenCL
2.2
1.2
Vulkan
1.3
5.1
Shader Model
6.7
