AMD Radeon RX 5700 XT vs AMD Radeon HD 6490
We compared two Desktop platform GPUs: 8GB VRAM Radeon RX 5700 XT and 1024MB VRAM Radeon HD 6490 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
AMD Radeon RX 5700 XT 's Advantages
Released 8 years late
Boost Clock1905MHz
More VRAM (8GB vs 1024GB)
Larger VRAM bandwidth (448.0GB/s vs 16.00GB/s)
2240 additional rendering cores
AMD Radeon HD 6490 's Advantages
Lower TDP (39W vs 225W)
Score
Benchmark
FP32 (float)
Radeon RX 5700 XT
+2671%
9.754 TFLOPS
Radeon HD 6490
0.352 TFLOPS
Graphics Card
Jul 2019
Release Date
Jul 2011
Navi
Generation
Northern Islands
Desktop
Type
Desktop
PCIe 4.0 x16
Bus Interface
PCIe 2.0 x16
Clock Speeds
1605 MHz
Base Clock
-
1905 MHz
Boost Clock
-
1750 MHz
Memory Clock
500 MHz
Memory
8GB
Memory Size
1024MB
GDDR6
Memory Type
DDR2
256bit
Memory Bus
128bit
448.0GB/s
Bandwidth
16.00GB/s
Render Config
40
Compute Units
4
-
-
-
2560
Shading Units
320
160
TMUs
16
64
ROPs
8
-
-
-
-
-
-
-
L1 Cache
8 KB (per CU)
4 MB
L2 Cache
256 KB
-
-
-
Theoretical Performance
121.9 GPixel/s
Pixel Rate
4.400 GPixel/s
304.8 GTexel/s
Texture Rate
8.800 GTexel/s
19.51 TFLOPS
FP16 (half)
-
9.754 TFLOPS
FP32 (float)
352.0 GFLOPS
609.6 GFLOPS
FP64 (double)
-
Board Design
225W
TDP
39W
550 W
Suggested PSU
200 W
1x HDMI 2.1
3x DisplayPort 1.4a
Outputs
1x DVI
1x HDMI 1.3a
1x VGA
1x 6-pin + 1x 8-pin
Power Connectors
None
Graphics Processor
Navi 10
GPU Name
Redwood
Navi 10 XT
(215-0917210)
GPU Variant
Redwood LE
RDNA 1.0
Architecture
TeraScale 2
TSMC
Foundry
TSMC
7 nm
Process Size
40 nm
10.3 billion
Transistors
0.627 billion
251 mm²
Die Size
104 mm²
Graphics Features
12 (12_1)
DirectX
11.2 (11_0)
4.6
OpenGL
4.4
2.1
OpenCL
1.2
1.3
Vulkan
N/A
-
-
-
6.5
Shader Model
5.0
