GeForce RTX 4080 vs Radeon R9 285
We compared two Desktop platform GPUs: 16GB VRAM GeForce RTX 4080 and 2GB VRAM Radeon R9 285 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
GeForce RTX 4080 's Advantages
Released 8 years late
Boost Clock2505MHz
More VRAM (16GB vs 2GB)
Larger VRAM bandwidth (716.8GB/s vs 176.0GB/s)
7936 additional rendering cores
Radeon R9 285 's Advantages
Lower TDP (190W vs 320W)
Score
Benchmark
FP32 (float)
GeForce RTX 4080
+1381%
48740
Radeon R9 285
3290
Graphics Card
Sep 2022
Release Date
Sep 2014
GeForce 40
Generation
Volcanic Islands
Desktop
Type
Desktop
PCIe 4.0 x16
Bus Interface
PCIe 3.0 x16
Clock Speeds
2205 MHz
Base Clock
-
2505 MHz
Boost Clock
-
1400 MHz
Memory Clock
1375 MHz
Memory
16GB
Memory Size
2GB
GDDR6X
Memory Type
GDDR5
256bit
Memory Bus
256bit
716.8GB/s
Bandwidth
176.0GB/s
Render Config
-
Compute Units
28
76
SM Count
-
9728
Shading Units
1792
304
TMUs
112
112
ROPs
32
304
Tensor Cores
-
76
RT Cores
-
128 KB (per SM)
L1 Cache
16 KB (per CU)
64 MB
L2 Cache
512 KB
Theoretical Performance
280.6 GPixel/s
Pixel Rate
29.38 GPixel/s
761.5 GTexel/s
Texture Rate
102.8 GTexel/s
48.74 TFLOPS
FP16 (half)
3.290 TFLOPS
48.74 TFLOPS
FP32 (float)
3.290 TFLOPS
761.5 GFLOPS
FP64 (double)
205.6 GFLOPS
Board Design
320W
TDP
190W
700 W
Suggested PSU
450 W
1x HDMI 2.1
3x DisplayPort 1.4a
Outputs
2x DVI
1x HDMI 1.4a
1x DisplayPort 1.2
1x 16-pin
Power Connectors
2x 6-pin
Graphics Processor
AD103
GPU Name
Tonga
AD103-300-A1
GPU Variant
Tonga PRO
(215-0851128)
Ada Lovelace
Architecture
GCN 3.0
TSMC
Foundry
TSMC
5 nm
Process Size
28 nm
45.9 billion
Transistors
5 billion
379 mm²
Die Size
366 mm²
Graphics Features
12 Ultimate (12_2)
DirectX
12 (12_0)
4.6
OpenGL
4.6
3.0
OpenCL
2.1
1.3
Vulkan
1.2.170
8.9
CUDA
-
6.7
Shader Model
6.5