AMD Radeon R9 285 vs AMD Radeon RX 7700 XT
GPU Specs Compare
Graphics Card
Release Date
Sep 2014
Aug 2023
Generation
Volcanic Islands
Navi III
Type
Desktop
Desktop
Bus Interface
PCIe 3.0 x16
PCIe 4.0 x16
Clock Speeds
Memory Clock
1375 MHz
2250 MHz
Base Clock
-
1435 MHz
Boost Clock
-
2544 MHz
Memory
Memory Size
2GB
12GB
Memory Type
GDDR5
GDDR6
Memory Bus
256bit
192bit
Bandwidth
176.0GB/s
432.0GB/s
Render Config
Compute Units
28
54
Shading Units
1792
3456
TMUs
112
216
ROPs
32
96
L1 Cache
16 KB (per CU)
128 KB per Array
L2 Cache
512 KB
2 MB
RT Cores
-
54
L3 Cache
-
48 MB
Theoretical Performance
Pixel Rate
29.38 GPixel/s
244.2 GPixel/s
Texture Rate
102.8 GTexel/s
549.5 GTexel/s
FP16 (half)
3.290 TFLOPS
70.34 TFLOPS
FP32 (float)
3.290 TFLOPS
35.17 TFLOPS
FP64 (double)
205.6 GFLOPS
1099.0 GFLOPS
Graphics Processor
GPU Name
Tonga
Navi 32
GPU Variant
Tonga PRO(215-0851128)
Navi 32 XL(215-180000076)
Architecture
GCN 3.0
RDNA 3.0
Foundry
TSMC
TSMC
Process Size
28 nm
5 nm
Transistors
5 billion
28.1 billion
Die Size
366 mm²
346 mm²
Board Design
TDP
190W
245W
Suggested PSU
450 W
550 W
Outputs
2x DVI1x HDMI 1.4a1x DisplayPort 1.2
1x HDMI 2.1a2x DisplayPort 2.11x USB Type-C
Power Connectors
2x 6-pin
2x 8-pin
Graphics Features
DirectX
12 (12_0)
12 Ultimate (12_2)
OpenGL
4.6
4.6
OpenCL
2.1
2.2
Vulkan
1.2.170
1.3
Shader Model
6.5
6.8