RTX A1000 vs Radeon HD 6490
We compared two Desktop platform GPUs: 8GB VRAM RTX A1000 and 1024MB VRAM Radeon HD 6490 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
RTX A1000 Advantages
Released 12 years and 9 months late
Boost Clock1462MHz
More VRAM (8GB vs 1024GB)
Larger VRAM bandwidth (192.0GB/s vs 16.00GB/s)
1984 additional rendering cores
Radeon HD 6490 Advantages
Lower TDP (39W vs 50W)
Score
Benchmark
FP32 (float)
RTX A1000
+1813%
6737
Radeon HD 6490
352
Graphics Card
Apr 2024
Release Date
Jul 2011
Quadro Ampere
Generation
Northern Islands
Desktop
Type
Desktop
PCIe 4.0 x8
Bus Interface
PCIe 2.0 x16
Clock Speeds
727 MHz
Base Clock
-
1462 MHz
Boost Clock
-
1500 MHz
Memory Clock
500 MHz
Memory
8GB
Memory Size
1024MB
GDDR6
Memory Type
DDR2
128bit
Memory Bus
128bit
192.0GB/s
Bandwidth
16.00GB/s
Render Config
-
Compute Units
4
18
SM Count
-
2304
Shading Units
320
72
TMUs
16
32
ROPs
8
72
Tensor Cores
-
18
RT Cores
-
128 KB (per SM)
L1 Cache
8 KB (per CU)
2 MB
L2 Cache
256 KB
Theoretical Performance
46.78 GPixel/s
Pixel Rate
4.400 GPixel/s
105.3 GTexel/s
Texture Rate
8.800 GTexel/s
6.737 TFLOPS
FP16 (half)
-
6.737 TFLOPS
FP32 (float)
352.0 GFLOPS
105.3 GFLOPS
FP64 (double)
-
Board Design
50W
TDP
39W
250 W
Suggested PSU
200 W
4x mini-DisplayPort 1.4a
Outputs
1x DVI
1x HDMI 1.3a
1x VGA
1x HDMI 1.3a
1x VGA
None
Power Connectors
None
Graphics Processor
GA107
GPU Name
Redwood
-
GPU Variant
Redwood LE
Ampere
Architecture
TeraScale 2
Samsung
Foundry
TSMC
8 nm
Process Size
40 nm
8.7 billion
Transistors
0.627 billion
200 mm²
Die Size
104 mm²
Graphics Features
12 Ultimate (12_2)
DirectX
11.2 (11_0)
4.6
OpenGL
4.4
3.0
OpenCL
1.2
1.3
Vulkan
N/A
8.6
CUDA
-
6.7
Shader Model
5.0