GeForce RTX 4080 vs Radeon R9 295X2
We compared two Desktop platform GPUs: 16GB VRAM GeForce RTX 4080 and 4GB VRAM Radeon R9 295X2 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 and 5 months late
Boost Clock2505MHz
More VRAM (16GB vs 4GB)
Larger VRAM bandwidth (716.8GB/s vs 320.0GB/s)
6912 additional rendering cores
Lower TDP (320W vs 500W)
Score
Benchmark
FP32 (float)
GeForce RTX 4080
+750%
48740
Radeon R9 295X2
5733
Graphics Card
Sep 2022
Release Date
Apr 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
1250 MHz
Memory
16GB
Memory Size
4GB
GDDR6X
Memory Type
GDDR5
256bit
Memory Bus
512bit
716.8GB/s
Bandwidth
320.0GB/s
Render Config
-
Compute Units
44
76
SM Count
-
9728
Shading Units
2816
304
TMUs
176
112
ROPs
64
304
Tensor Cores
-
76
RT Cores
-
128 KB (per SM)
L1 Cache
16 KB (per CU)
64 MB
L2 Cache
1024 KB
Theoretical Performance
280.6 GPixel/s
Pixel Rate
65.15 GPixel/s
761.5 GTexel/s
Texture Rate
179.2 GTexel/s
48.74 TFLOPS
FP16 (half)
-
48.74 TFLOPS
FP32 (float)
5.733 TFLOPS
761.5 GFLOPS
FP64 (double)
716.7 GFLOPS
Board Design
320W
TDP
500W
700 W
Suggested PSU
900 W
1x HDMI 2.1
3x DisplayPort 1.4a
Outputs
1x DVI
4x mini-DisplayPort 1.2
1x 16-pin
Power Connectors
2x 8-pin
Graphics Processor
AD103
GPU Name
Vesuvius
AD103-300-A1
GPU Variant
Vesuvius XT
(215-0852022)
Ada Lovelace
Architecture
GCN 2.0
TSMC
Foundry
TSMC
5 nm
Process Size
28 nm
45.9 billion
Transistors
6.2 billion
379 mm²
Die Size
438 mm²
Graphics Features
12 Ultimate (12_2)
DirectX
12 (12_0)
4.6
OpenGL
4.6
3.0
OpenCL
2.0
1.3
Vulkan
1.2
8.9
CUDA
-
6.7
Shader Model
6.3
