NVIDIA RTX A4000 vs AMD Radeon R9 295X2
GPU · Specs Compare
Graphics Card
Release Date
Apr 2021
Apr 2014
Generation
Quadro Ampere
Volcanic Islands
Type
Professional
Desktop
Bus Interface
PCIe 4.0 x16
PCIe 3.0 x16
Clock Speeds
Base Clock
735 MHz
—
Boost Clock
1560 MHz
—
Memory Clock
1750 MHz
1250 MHz
Memory
Memory Size
16GB
4GB
Memory Type
GDDR6
GDDR5
Memory Bus
256bit
512bit
Bandwidth
448.0GB/s
320.0GB/s
Render Config
SM Count
48
—
Shading Units
6144
2816
TMUs
192
176
ROPs
96
64
Tensor Cores
192
—
RT Cores
48
—
L1 Cache
128 KB (per SM)
16 KB (per CU)
L2 Cache
4 MB
1024 KB
Compute Units
—
44
Theoretical Performance
Pixel Rate
149.8 GPixel/s
65.15 GPixel/s
Texture Rate
299.5 GTexel/s
179.2 GTexel/s
FP16 (half)
19.17 TFLOPS
—
FP32 (float)
19.17 TFLOPS
5.733 TFLOPS
FP64 (double)
299.5 GFLOPS
716.7 GFLOPS
Graphics Processor
GPU Name
GA104
Vesuvius
GPU Variant
GA104-875-A1
Vesuvius XT(215-0852022)
Architecture
Ampere
GCN 2.0
Foundry
Samsung
TSMC
Process Size
8 nm
28 nm
Transistors
17.4 billion
6.2 billion
Die Size
392 mm²
438 mm²
Board Design
TDP
140W
500W
Suggested PSU
300 W
900 W
Outputs
4x DisplayPort 1.4a
1x DVI4x mini-DisplayPort 1.2
Power Connectors
1x 6-pin
2x 8-pin
Graphics Features
DirectX
12 Ultimate (12_2)
12 (12_0)
OpenGL
4.6
4.6
OpenCL
3.0
2.0
Vulkan
1.3
1.2
CUDA
8.6
—
Shader Model
6.7
6.3
Benchmark
3DMark Time Spy
11,079
—
3DMark Time Spy Extreme
5,367
—
OctaneBench
352
—
▲ Specs Compare
Data sourced from official specifications and benchmark tests.